/* * 86Box A hypervisor and IBM PC system emulator that specializes in * running old operating systems and software designed for IBM * PC systems and compatibles from 1981 through fairly recent * system designs based on the PCI bus. * * This file is part of the 86Box distribution. * * Emulation of the 8514/A card from IBM for the MCA bus and * ISA bus clones. * * * * Authors: TheCollector1995. * * Copyright 2022-2024 TheCollector1995. */ #include #include #include #include #include #include #include #define HAVE_STDARG_H #include <86box/86box.h> #include <86box/device.h> #include <86box/io.h> #include <86box/machine.h> #include <86box/mem.h> #include <86box/timer.h> #include <86box/mca.h> #include <86box/rom.h> #include <86box/plat.h> #include <86box/thread.h> #include <86box/video.h> #include <86box/vid_8514a.h> #include <86box/vid_8514a_device.h> #include <86box/vid_xga.h> #include <86box/vid_svga.h> #include <86box/vid_svga_render.h> #include <86box/vid_ati_eeprom.h> #include <86box/vid_ati_mach8.h> #include "cpu.h" #ifdef ATI_8514_ULTRA #define BIOS_MACH8_ROM_PATH "roms/video/mach8/11301113140.BIN" #endif static void ibm8514_accel_outb(uint16_t port, uint8_t val, void *priv); static void ibm8514_accel_outw(uint16_t port, uint16_t val, void *priv); static uint8_t ibm8514_accel_inb(uint16_t port, void *priv); static uint16_t ibm8514_accel_inw(uint16_t port, void *priv); #ifdef ENABLE_IBM8514_LOG int ibm8514_do_log = ENABLE_IBM8514_LOG; static void ibm8514_log(const char *fmt, ...) { va_list ap; if (ibm8514_do_log) { va_start(ap, fmt); pclog_ex(fmt, ap); va_end(ap); } } #else # define ibm8514_log(fmt, ...) #endif #define WRITE8(addr, var, val) \ switch ((addr) & 1) { \ case 0: \ var = (var & 0xff00) | (val); \ break; \ case 1: \ var = (var & 0x00ff) | ((val) << 8); \ break; \ } #define READ8(addr, var) \ switch ((addr) & 1) { \ case 0: \ temp = (var) & 0xff; \ break; \ case 1: \ temp = ((var) >> 8) & 0xff; \ break; \ } #define READ_PIXTRANS_WORD(cx, n) \ if ((cmd <= 1) || (cmd == 5)) { \ temp = dev->vram[((dev->accel.cy * dev->pitch) + (cx) + (n)) & dev->vram_mask]; \ temp |= (dev->vram[((dev->accel.cy * dev->pitch) + (cx) + (n + 1)) & dev->vram_mask] << 8); \ } else { \ temp = dev->vram[(dev->accel.dest + (cx) + (n)) & dev->vram_mask]; \ temp |= (dev->vram[(dev->accel.dest + (cx) + (n + 1)) & dev->vram_mask] << 8); \ } #define READ(addr, dat) \ if (dev->bpp) { \ dat = vram_w[(addr) & (dev->vram_mask >> 1)]; \ } else { \ dat = (dev->vram[(addr) & (dev->vram_mask)]); \ } #define READ_HIGH(addr, dat) \ dat |= (dev->vram[(addr) & (dev->vram_mask)] << 8); #define MIX(mixmode, dest_dat, src_dat) \ { \ switch ((mixmode) ? (dev->accel.frgd_mix & 0x1f) : (dev->accel.bkgd_mix & 0x1f)) { \ case 0x00: \ dest_dat = ~dest_dat; \ break; \ case 0x01: \ dest_dat = 0; \ break; \ case 0x02: \ dest_dat = ~0; \ break; \ case 0x03: \ dest_dat = dest_dat; \ break; \ case 0x04: \ dest_dat = ~src_dat; \ break; \ case 0x05: \ dest_dat = src_dat ^ dest_dat; \ break; \ case 0x06: \ dest_dat = ~(src_dat ^ dest_dat); \ break; \ case 0x07: \ dest_dat = src_dat; \ break; \ case 0x08: \ dest_dat = ~(src_dat & dest_dat); \ break; \ case 0x09: \ dest_dat = ~src_dat | dest_dat; \ break; \ case 0x0a: \ dest_dat = src_dat | ~dest_dat; \ break; \ case 0x0b: \ dest_dat = src_dat | dest_dat; \ break; \ case 0x0c: \ dest_dat = src_dat & dest_dat; \ break; \ case 0x0d: \ dest_dat = src_dat & ~dest_dat; \ break; \ case 0x0e: \ dest_dat = ~src_dat & dest_dat; \ break; \ case 0x0f: \ dest_dat = ~(src_dat | dest_dat); \ break; \ case 0x10: \ dest_dat = MIN(src_dat, dest_dat); \ break; \ case 0x11: \ dest_dat = dest_dat - src_dat; \ break; \ case 0x12: \ dest_dat = src_dat - dest_dat; \ break; \ case 0x13: \ dest_dat = src_dat + dest_dat; \ break; \ case 0x14: \ dest_dat = MAX(src_dat, dest_dat); \ break; \ case 0x15: \ dest_dat = (dest_dat - src_dat) >> 1; \ break; \ case 0x16: \ dest_dat = (src_dat - dest_dat) >> 1; \ break; \ case 0x17: \ dest_dat = (dest_dat + src_dat) >> 1; \ break; \ case 0x18: \ dest_dat = MAX(0, (dest_dat - src_dat)); \ break; \ case 0x19: \ dest_dat = MAX(0, (dest_dat - src_dat)); \ break; \ case 0x1a: \ dest_dat = MAX(0, (src_dat - dest_dat)); \ break; \ case 0x1b: \ if (dev->bpp) \ dest_dat = MIN(0xffff, (dest_dat + src_dat)); \ else \ dest_dat = MIN(0xff, (dest_dat + src_dat)); \ break; \ case 0x1c: \ dest_dat = MAX(0, (dest_dat - src_dat)) / 2; \ break; \ case 0x1d: \ dest_dat = MAX(0, (dest_dat - src_dat)) / 2; \ break; \ case 0x1e: \ dest_dat = MAX(0, (src_dat - dest_dat)) / 2; \ break; \ case 0x1f: \ if (dev->bpp) \ dest_dat = (0xffff < (src_dat + dest_dat)) ? 0xffff : ((src_dat + dest_dat) / 2); \ else \ dest_dat = (0xff < (src_dat + dest_dat)) ? 0xff : ((src_dat + dest_dat) / 2); \ break; \ } \ } #define WRITE(addr, dat) \ if (dev->bpp) { \ vram_w[((addr)) & (dev->vram_mask >> 1)] = dat; \ dev->changedvram[(((addr)) & (dev->vram_mask >> 1)) >> 11] = changeframecount; \ } else { \ dev->vram[((addr)) & (dev->vram_mask)] = dat; \ dev->changedvram[(((addr)) & (dev->vram_mask)) >> 12] = changeframecount; \ } int ibm8514_active = 0; int ibm8514_cpu_src(svga_t *svga) { const ibm8514_t *dev = (ibm8514_t *) svga->dev8514; if (!(dev->accel.cmd & 0x100)) return 0; if (dev->accel.cmd & 1) return 1; return 0; } int ibm8514_cpu_dest(svga_t *svga) { const ibm8514_t *dev = (ibm8514_t *) svga->dev8514; if (!(dev->accel.cmd & 0x100)) return 0; if (dev->accel.cmd & 1) return 0; return 1; } void ibm8514_accel_out_pixtrans(svga_t *svga, UNUSED(uint16_t port), uint32_t val, int len) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; uint8_t nibble = 0; uint32_t pixelxfer = 0; uint32_t monoxfer = 0xffffffff; int pixcnt = 0; int pixcntl = (dev->accel.multifunc[0x0a] >> 6) & 3; int frgd_mix = (dev->accel.frgd_mix >> 5) & 3; int bkgd_mix = (dev->accel.bkgd_mix >> 5) & 3; int cmd = dev->accel.cmd >> 13; if (dev->accel.cmd & 0x100) { if (len == 2) { /*Bus size*/ if (dev->accel.cmd & 0x200) /*16-bit*/ pixcnt = 16; else /*8-bit*/ pixcnt = 8; /*Pixel transfer data mode, can't be the same as Foreground/Background CPU data*/ if (pixcntl == 2) { if ((frgd_mix == 2) || (bkgd_mix == 2)) pixelxfer = val; else { if (dev->accel.cmd & 0x02) { if (pixcnt == 16) { if ((cmd >= 2) && (dev->accel.cmd & 0x1000)) val = (val >> 8) | (val << 8); } if ((cmd <= 2) || (cmd == 4)) { if ((dev->accel.cmd & 0x08) && (cmd >= 2)) monoxfer = val; else { if (val & 0x02) nibble |= 0x80; if (val & 0x04) nibble |= 0x40; if (val & 0x08) nibble |= 0x20; if (val & 0x10) nibble |= 0x10; if (val & 0x200) nibble |= 0x08; if (val & 0x400) nibble |= 0x04; if (val & 0x800) nibble |= 0x02; if (val & 0x1000) nibble |= 0x01; monoxfer = nibble; } } else monoxfer = val; } else monoxfer = val; } } else pixelxfer = val; if (dev->accel.input) ibm8514_accel_start(pixcnt >> 1, 1, monoxfer & 0xff, pixelxfer & 0xff, svga, len); else ibm8514_accel_start(pixcnt, 1, monoxfer & 0xffff, pixelxfer & 0xffff, svga, len); } } } void ibm8514_accel_out_fifo(svga_t *svga, uint16_t port, uint32_t val, int len) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; if (port != 0x9ae8 && port != 0xe2e8) ibm8514_log("Port OUT FIFO=%04x, val=%04x, len=%d.\n", port, val, len); switch (port) { case 0x82e8: case 0xc2e8: if (len == 2) dev->accel.cur_y = val & 0x7ff; break; case 0x86e8: case 0xc6e8: if (len == 2) dev->accel.cur_x = val & 0x7ff; break; case 0x8ae8: case 0xcae8: if (len == 2) { dev->accel.desty = val & 0x7ff; dev->accel.desty_axstp = val & 0x3fff; if (val & 0x2000) dev->accel.desty_axstp |= ~0x1fff; } break; case 0x8ee8: case 0xcee8: if (len == 2) { dev->accel.destx = val & 0x7ff; dev->accel.destx_distp = val & 0x3fff; if (val & 0x2000) dev->accel.destx_distp |= ~0x1fff; } break; case 0x92e8: if (len == 2) dev->test = val; fallthrough; case 0xd2e8: if (len == 2) { dev->accel.err_term = val & 0x3fff; if (val & 0x2000) dev->accel.err_term |= ~0x1fff; } break; case 0x96e8: case 0xd6e8: if (len == 2) { dev->accel.maj_axis_pcnt = val & 0x7ff; dev->accel.maj_axis_pcnt_no_limit = val; } break; case 0x9ae8: case 0xdae8: dev->accel.ssv_state = 0; if (len == 2) { dev->data_available = 0; dev->data_available2 = 0; dev->accel.cmd = val; if (port == 0xdae8) { if (dev->accel.cmd & 0x100) dev->accel.cmd_back = 0; } ibm8514_log("8514/A CMD=%04x, back=%d.\n", dev->accel.cmd, dev->accel.cmd_back); ibm8514_accel_start(-1, 0, -1, 0, svga, len); } break; case 0x9ee8: case 0xdee8: dev->accel.ssv_state = 1; if (len == 2) { dev->accel.short_stroke = val; dev->accel.cx = dev->accel.cur_x; if (dev->accel.cur_x >= 0x600) dev->accel.cx |= ~0x5ff; dev->accel.cy = dev->accel.cur_y; if (dev->accel.cur_y >= 0x600) dev->accel.cy |= ~0x5ff; if (dev->accel.cmd & 0x1000) { ibm8514_short_stroke_start(-1, 0, -1, 0, svga, dev->accel.short_stroke & 0xff, len); ibm8514_short_stroke_start(-1, 0, -1, 0, svga, dev->accel.short_stroke >> 8, len); } else { ibm8514_short_stroke_start(-1, 0, -1, 0, svga, dev->accel.short_stroke >> 8, len); ibm8514_short_stroke_start(-1, 0, -1, 0, svga, dev->accel.short_stroke & 0xff, len); } } break; case 0xa2e8: case 0xe2e8: if (port == 0xe2e8) { if (len == 2) { if (dev->accel.cmd_back) dev->accel.bkgd_color = val; else { if (ibm8514_cpu_dest(svga)) break; ibm8514_accel_out_pixtrans(svga, port, val, len); } } } else { if (len == 2) dev->accel.bkgd_color = val; } break; case 0xa6e8: case 0xe6e8: if (port == 0xe6e8) { if (len == 2) { if (dev->accel.cmd_back) dev->accel.frgd_color = val; else { if (ibm8514_cpu_dest(svga)) break; ibm8514_accel_out_pixtrans(svga, port, val, len); } } } else { if (len == 2) dev->accel.frgd_color = val; } break; case 0xaae8: case 0xeae8: if (len == 2) dev->accel.wrt_mask = val; break; case 0xaee8: case 0xeee8: if (len == 2) dev->accel.rd_mask = val; break; case 0xb2e8: case 0xf2e8: if (len == 2) dev->accel.color_cmp = val; break; case 0xb6e8: case 0xf6e8: dev->accel.bkgd_mix = val & 0xff; break; case 0xbae8: case 0xfae8: dev->accel.frgd_mix = val & 0xff; break; case 0xbee8: case 0xfee8: if (len == 2) { dev->accel.multifunc_cntl = val; dev->accel.multifunc[dev->accel.multifunc_cntl >> 12] = dev->accel.multifunc_cntl & 0xfff; dev->accel.cmd_back = !!(port == 0xfee8); if ((dev->accel.multifunc_cntl >> 12) == 1) { dev->accel.clip_top = dev->accel.multifunc[1] & 0x3ff; if (dev->accel.multifunc[1] & 0x400) dev->accel.clip_top |= ~0x3ff; } if ((dev->accel.multifunc_cntl >> 12) == 2) { dev->accel.clip_left = dev->accel.multifunc[2] & 0x3ff; if (dev->accel.multifunc[2] & 0x400) dev->accel.clip_left |= ~0x3ff; } if ((dev->accel.multifunc_cntl >> 12) == 3) dev->accel.clip_bottom = dev->accel.multifunc[3] & 0x7ff; if ((dev->accel.multifunc_cntl >> 12) == 4) dev->accel.clip_right = dev->accel.multifunc[4] & 0x7ff; } break; default: break; } } void ibm8514_ramdac_out(uint16_t port, uint8_t val, void *priv) { svga_t *svga = (svga_t *) priv; svga_out(port, val, svga); } uint8_t ibm8514_ramdac_in(uint16_t port, void *priv) { svga_t *svga = (svga_t *) priv; uint8_t ret; ret = svga_in(port, svga); return ret; } static void ibm8514_io_set(svga_t *svga) { io_sethandler(0x2e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x2ea, 0x0004, ibm8514_ramdac_in, NULL, NULL, ibm8514_ramdac_out, NULL, NULL, svga); io_sethandler(0x6e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x12e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x16e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x1ae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x1ee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x22e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x26e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x2ee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x42e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x4ae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x52e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x56e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x5ae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x5ee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x82e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x86e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x8ae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x8ee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x92e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x96e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x9ae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0x9ee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xa2e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xa6e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xaae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xaee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xb2e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xb6e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xbae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xbee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xe2e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xc2e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xc6e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xcae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xcee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xd2e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xd6e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xdae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xdee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xe6e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xeae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xeee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xf2e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xf6e8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xfae8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); io_sethandler(0xfee8, 0x0002, ibm8514_accel_inb, ibm8514_accel_inw, NULL, ibm8514_accel_outb, ibm8514_accel_outw, NULL, svga); } void ibm8514_accel_out(uint16_t port, uint32_t val, svga_t *svga, int len) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; uint8_t old = 0; if (port & 0x8000) ibm8514_accel_out_fifo(svga, port, val, len); else { switch (port) { case 0x2e8: case 0x6e9: WRITE8(port, dev->htotal, val); ibm8514_log("IBM 8514/A compatible: (0x%04x): htotal=0x%02x.\n", port, val); svga_recalctimings(svga); break; case 0x6e8: /*In preparation to switch from VGA to 8514/A mode*/ dev->hdisped = val; dev->hdisp = (dev->hdisped + 1) << 3; ibm8514_log("[%04X:%08X]: IBM 8514/A: (0x%04x): hdisp=0x%02x.\n", CS, cpu_state.pc, port, val); svga_recalctimings(svga); break; case 0xae8: dev->hsync_start = val; ibm8514_log("IBM 8514/A compatible: (0x%04x): val=0x%02x, hsync_start=%d.\n", port, val, (val + 1) << 3); svga_recalctimings(svga); break; case 0xee8: dev->hsync_width = val; ibm8514_log("IBM 8514/A compatible: (0x%04x): val=0x%02x, hsync_width=%d, hsyncpol=%02x.\n", port, val & 0x1f, ((val & 0x1f) + 1) << 3, val & 0x20); svga_recalctimings(svga); break; case 0x12e8: case 0x12e9: /*In preparation to switch from VGA to 8514/A mode*/ WRITE8(port, dev->v_total_reg, val); dev->v_total_reg &= 0x1fff; dev->v_total = dev->v_total_reg + 1; if (dev->interlace) dev->v_total >>= 1; ibm8514_log("IBM 8514/A compatible: (0x%04x): vtotal=0x%02x.\n", port, val); svga_recalctimings(svga); break; case 0x16e8: case 0x16e9: /*In preparation to switch from VGA to 8514/A mode*/ WRITE8(port, dev->v_disp, val); dev->v_disp &= 0x1fff; dev->vdisp = (dev->v_disp + 1) >> 1; ibm8514_log("IBM 8514/A: V_DISP write 16E8 = %d\n", dev->v_disp); ibm8514_log("IBM 8514/A: (0x%04x): vdisp=0x%02x.\n", port, val); svga_recalctimings(svga); break; case 0x1ae8: case 0x1ae9: /*In preparation to switch from VGA to 8514/A mode*/ WRITE8(port, dev->v_sync_start, val); dev->v_sync_start &= 0x1fff; dev->v_syncstart = dev->v_sync_start + 1; if (dev->interlace) dev->v_syncstart >>= 1; ibm8514_log("IBM 8514/A compatible: V_SYNCSTART write 1AE8 = %d\n", dev->v_syncstart); ibm8514_log("IBM 8514/A compatible: (0x%04x): vsyncstart=0x%02x.\n", port, val); svga_recalctimings(svga); break; case 0x1ee8: case 0x1ee9: ibm8514_log("IBM 8514/A compatible: V_SYNC_WID write 1EE8 = %02x\n", val); ibm8514_log("IBM 8514/A compatible: (0x%04x): vsyncwidth=0x%02x.\n", port, val); svga_recalctimings(svga); break; case 0x22e8: dev->disp_cntl = val; dev->interlace = !!(dev->disp_cntl & 0x10); ibm8514_log("IBM 8514/A compatible: DISP_CNTL write %04x=%02x, interlace=%d.\n", port, dev->disp_cntl, dev->interlace); svga_recalctimings(svga); break; case 0x42e8: if (val & 1) dev->subsys_stat &= ~1; if (val & 2) dev->subsys_stat &= ~2; if (val & 4) dev->subsys_stat &= ~4; if (val & 8) dev->subsys_stat &= ~8; break; case 0x42e9: old = dev->subsys_cntl; dev->subsys_cntl = val; if ((old ^ val) & 1) dev->subsys_stat |= 1; if ((old ^ val) & 2) dev->subsys_stat |= 2; if ((old ^ val) & 4) dev->subsys_stat |= 4; if ((old ^ val) & 8) dev->subsys_stat |= 8; break; case 0x4ae8: WRITE8(port, dev->accel.advfunc_cntl, val); dev->on = dev->accel.advfunc_cntl & 0x01; vga_on = !dev->on; ibm8514_log("[%04X:%08X]: IBM 8514/A: (0x%04x): ON=%d, shadow crt=%x, hdisp=%d, vdisp=%d.\n", CS, cpu_state.pc, port, dev->on, dev->accel.advfunc_cntl & 0x04, dev->hdisp, dev->vdisp); ibm8514_log("IBM mode set %s resolution.\n", (dev->accel.advfunc_cntl & 0x04) ? "2: 1024x768" : "1: 640x480"); svga_recalctimings(svga); break; default: break; } } } static void ibm8514_accel_outb(uint16_t port, uint8_t val, void *priv) { svga_t *svga = (svga_t *) priv; ibm8514_accel_out(port, val, svga, 1); } static void ibm8514_accel_outw(uint16_t port, uint16_t val, void *priv) { svga_t *svga = (svga_t *) priv; ibm8514_accel_out(port, val, svga, 2); } uint16_t ibm8514_accel_in_fifo(svga_t *svga, uint16_t port, int len) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; uint16_t temp = 0; int cmd = 0; switch (port) { case 0x82e8: case 0xc2e8: if (len == 2) temp = dev->accel.cur_y; break; case 0x86e8: case 0xc6e8: if (len == 2) temp = dev->accel.cur_x; break; case 0x92e8: if (len == 2) temp = dev->test; break; case 0x96e8: if (len == 2) temp = dev->accel.maj_axis_pcnt; break; case 0x9ae8: case 0xdae8: if (len == 2) { if (dev->force_busy) temp |= 0x200; /*Hardware busy*/ dev->force_busy = 0; if (dev->data_available) { temp |= 0x100; /*Read Data available*/ dev->data_available = 0; } } break; case 0x9ae9: case 0xdae9: if (len == 1) { if (dev->force_busy2) temp |= 2; /*Hardware busy*/ dev->force_busy2 = 0; if (dev->data_available2) { temp |= 1; /*Read Data available*/ dev->data_available2 = 0; } } break; case 0xe2e8: case 0xe6e8: if (ibm8514_cpu_dest(svga)) { if (len == 2) { cmd = (dev->accel.cmd >> 13); READ_PIXTRANS_WORD(dev->accel.cx, 0); if (dev->accel.input) { ibm8514_accel_out_pixtrans(svga, port, temp & 0xff, len); if (dev->accel.odd_in) { /*WORDs on odd destination scan lengths.*/ dev->accel.odd_in = 0; temp &= ~0xff00; READ_HIGH(dev->accel.dest + dev->accel.cx, temp); } ibm8514_accel_out_pixtrans(svga, port, (temp >> 8) & 0xff, len); } else ibm8514_accel_out_pixtrans(svga, port, temp, len); } } break; default: break; } return temp; } uint8_t ibm8514_accel_in(uint16_t port, svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; uint8_t temp = 0; switch (port) { case 0x2e8: if (dev->vc == dev->v_syncstart) temp |= 2; ibm8514_log("0x2E8 read: Display Status=%02x.\n", temp); break; case 0x6e8: temp = dev->hdisped; break; case 0x22e8: temp = dev->disp_cntl; break; case 0x26e8: case 0x26e9: READ8(port, dev->htotal); break; case 0x2ee8: temp = dev->subsys_cntl; break; case 0x2ee9: temp = 0xff; break; case 0x42e8: case 0x42e9: if (dev->vc == dev->v_syncstart) dev->subsys_stat |= 1; if (port & 1) temp = dev->vram_512k_8514 ? 0x00 : 0x80; else { temp |= (dev->subsys_stat | 0x80); temp |= 0x20; } break; default: break; } return temp; } static uint8_t ibm8514_accel_inb(uint16_t port, void *priv) { svga_t *svga = (svga_t *) priv; uint8_t temp; if (port & 0x8000) temp = ibm8514_accel_in_fifo(svga, port, 1); else temp = ibm8514_accel_in(port, svga); return temp; } static uint16_t ibm8514_accel_inw(uint16_t port, void *priv) { svga_t *svga = (svga_t *) priv; uint16_t temp; if (port & 0x8000) temp = ibm8514_accel_in_fifo(svga, port, 2); else { temp = ibm8514_accel_in(port, svga); temp |= (ibm8514_accel_in(port + 1, svga) << 8); } return temp; } void ibm8514_short_stroke_start(int count, int cpu_input, uint32_t mix_dat, uint32_t cpu_dat, svga_t *svga, uint8_t ssv, int len) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; if (!cpu_input) { dev->accel.ssv_len = ssv & 0x0f; dev->accel.ssv_dir = ssv & 0xe0; dev->accel.ssv_draw = ssv & 0x10; if (ibm8514_cpu_src(svga)) { return; /*Wait for data from CPU*/ } } ibm8514_accel_start(count, cpu_input, mix_dat, cpu_dat, svga, len); } void ibm8514_accel_start(int count, int cpu_input, uint32_t mix_dat, uint32_t cpu_dat, svga_t *svga, UNUSED(int len)) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; uint16_t *vram_w = (uint16_t *) dev->vram; uint16_t src_dat = 0; uint16_t dest_dat; uint16_t old_dest_dat; int frgd_mix; int bkgd_mix; int16_t clip_t = dev->accel.clip_top; int16_t clip_l = dev->accel.clip_left; uint16_t clip_b = dev->accel.clip_bottom; uint16_t clip_r = dev->accel.clip_right; int pixcntl = (dev->accel.multifunc[0x0a] >> 6) & 3; uint16_t mix_mask = dev->bpp ? 0x8000 : 0x80; uint16_t compare = dev->accel.color_cmp; int compare_mode = dev->accel.multifunc[0x0a] & 0x38; int cmd = dev->accel.cmd >> 13; uint16_t wrt_mask = dev->accel.wrt_mask; uint16_t rd_mask = dev->accel.rd_mask; uint16_t rd_mask_polygon = dev->accel.rd_mask; uint16_t frgd_color = dev->accel.frgd_color; uint16_t bkgd_color = dev->accel.bkgd_color; uint32_t old_mix_dat; int and3 = dev->accel.cur_x & 3; if (!dev->bpp) { compare &= 0xff; frgd_color &= 0xff; bkgd_color &= 0xff; rd_mask = ((dev->accel.rd_mask & 0x01) << 7) | ((dev->accel.rd_mask & 0xfe) >> 1); rd_mask &= 0xff; rd_mask_polygon &= 0xff; } if (dev->accel.cmd & 0x100) { dev->force_busy = 1; dev->force_busy2 = 1; } frgd_mix = (dev->accel.frgd_mix >> 5) & 3; bkgd_mix = (dev->accel.bkgd_mix >> 5) & 3; if (cpu_input) { if ((dev->accel.cmd & 0x02) || (pixcntl == 2)) { if ((frgd_mix == 2) || (bkgd_mix == 2)) count >>= 3; else if (pixcntl == 2) { if (dev->accel.cmd & 0x02) count >>= 1; else count >>= 3; } } else count >>= 3; if (dev->bpp) { if ((dev->accel.cmd & 0x200) && (count == 2)) count >>= 1; } } if (pixcntl == 1) { mix_dat = 0; if (and3 == 3) { if (dev->accel.multifunc[8] & 0x02) mix_dat |= 0x08; if (dev->accel.multifunc[8] & 0x04) mix_dat |= 0x10; if (dev->accel.multifunc[8] & 0x08) mix_dat |= 0x20; if (dev->accel.multifunc[8] & 0x10) mix_dat |= 0x40; if (dev->accel.multifunc[9] & 0x02) mix_dat |= 0x80; if (dev->accel.multifunc[9] & 0x04) mix_dat |= 0x01; if (dev->accel.multifunc[9] & 0x08) mix_dat |= 0x02; if (dev->accel.multifunc[9] & 0x10) mix_dat |= 0x04; } if (and3 == 2) { if (dev->accel.multifunc[8] & 0x02) mix_dat |= 0x04; if (dev->accel.multifunc[8] & 0x04) mix_dat |= 0x08; if (dev->accel.multifunc[8] & 0x08) mix_dat |= 0x10; if (dev->accel.multifunc[8] & 0x10) mix_dat |= 0x20; if (dev->accel.multifunc[9] & 0x02) mix_dat |= 0x40; if (dev->accel.multifunc[9] & 0x04) mix_dat |= 0x80; if (dev->accel.multifunc[9] & 0x08) mix_dat |= 0x01; if (dev->accel.multifunc[9] & 0x10) mix_dat |= 0x02; } if (and3 == 1) { if (dev->accel.multifunc[8] & 0x02) mix_dat |= 0x02; if (dev->accel.multifunc[8] & 0x04) mix_dat |= 0x04; if (dev->accel.multifunc[8] & 0x08) mix_dat |= 0x08; if (dev->accel.multifunc[8] & 0x10) mix_dat |= 0x10; if (dev->accel.multifunc[9] & 0x02) mix_dat |= 0x20; if (dev->accel.multifunc[9] & 0x04) mix_dat |= 0x40; if (dev->accel.multifunc[9] & 0x08) mix_dat |= 0x80; if (dev->accel.multifunc[9] & 0x10) mix_dat |= 0x01; } if (and3 == 0) { if (dev->accel.multifunc[8] & 0x02) mix_dat |= 0x01; if (dev->accel.multifunc[8] & 0x04) mix_dat |= 0x02; if (dev->accel.multifunc[8] & 0x08) mix_dat |= 0x04; if (dev->accel.multifunc[8] & 0x10) mix_dat |= 0x08; if (dev->accel.multifunc[9] & 0x02) mix_dat |= 0x10; if (dev->accel.multifunc[9] & 0x04) mix_dat |= 0x20; if (dev->accel.multifunc[9] & 0x08) mix_dat |= 0x40; if (dev->accel.multifunc[9] & 0x10) mix_dat |= 0x80; } } old_mix_dat = mix_dat; /*Bit 4 of the Command register is the draw yes bit, which enables writing to memory/reading from memory when enabled. When this bit is disabled, no writing to memory/reading from memory is allowed. (This bit is almost meaningless on the NOP command)*/ switch (cmd) { case 0: /*NOP (Short Stroke Vectors)*/ if (dev->accel.ssv_state == 0) break; if (dev->accel.cmd & 0x08) { while (count-- && dev->accel.ssv_len >= 0) { if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } READ((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if (dev->accel.ssv_draw) { if ((dev->accel.cmd & 0x04) && dev->accel.ssv_len) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } else if (!(dev->accel.cmd & 0x04)) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } } } } mix_dat <<= 1; mix_dat |= 1; if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; if (!dev->accel.ssv_len) break; switch (dev->accel.ssv_dir & 0xe0) { case 0x00: dev->accel.cx++; break; case 0x20: dev->accel.cx++; dev->accel.cy--; break; case 0x40: dev->accel.cy--; break; case 0x60: dev->accel.cx--; dev->accel.cy--; break; case 0x80: dev->accel.cx--; break; case 0xa0: dev->accel.cx--; dev->accel.cy++; break; case 0xc0: dev->accel.cy++; break; case 0xe0: dev->accel.cx++; dev->accel.cy++; break; default: break; } dev->accel.ssv_len--; } } else { while (count-- && (dev->accel.ssv_len >= 0)) { if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } READ((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if (dev->accel.ssv_draw) { if ((dev->accel.cmd & 0x04) && dev->accel.ssv_len) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } else if (!(dev->accel.cmd & 0x04)) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } } } } mix_dat <<= 1; mix_dat |= 1; if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; if (!dev->accel.ssv_len) break; if (dev->accel.err_term >= dev->accel.maj_axis_pcnt) { dev->accel.err_term += dev->accel.destx_distp; /*Step minor axis*/ switch (dev->accel.cmd & 0xe0) { case 0x00: dev->accel.cy--; break; case 0x20: dev->accel.cy--; break; case 0x40: dev->accel.cx--; break; case 0x60: dev->accel.cx++; break; case 0x80: dev->accel.cy++; break; case 0xa0: dev->accel.cy++; break; case 0xc0: dev->accel.cx--; break; case 0xe0: dev->accel.cx++; break; default: break; } } else dev->accel.err_term += dev->accel.desty_axstp; /*Step major axis*/ switch (dev->accel.cmd & 0xe0) { case 0x00: dev->accel.cx--; break; case 0x20: dev->accel.cx++; break; case 0x40: dev->accel.cy--; break; case 0x60: dev->accel.cy--; break; case 0x80: dev->accel.cx--; break; case 0xa0: dev->accel.cx++; break; case 0xc0: dev->accel.cy++; break; case 0xe0: dev->accel.cy++; break; default: break; } dev->accel.ssv_len--; } } dev->accel.cur_x = dev->accel.cx; dev->accel.cur_y = dev->accel.cy; break; case 1: /*Draw line*/ if (!cpu_input) { dev->accel.output = 0; dev->accel.x_count = 0; dev->accel.cx = dev->accel.cur_x; if (dev->accel.cur_x >= 0x600) dev->accel.cx |= ~0x5ff; dev->accel.cy = dev->accel.cur_y; if (dev->accel.cur_y >= 0x600) dev->accel.cy |= ~0x5ff; dev->accel.sy = dev->accel.maj_axis_pcnt; ibm8514_log("Line Draw 8514/A CMD=%04x, frgdmix=%d, bkgdmix=%d, c(%d,%d), pixcntl=%d, sy=%d, polyfill=%x, selfrmix=%02x, selbkmix=%02x, bkgdcol=%02x, frgdcol=%02x, clipt=%d, clipb=%d.\n", dev->accel.cmd, frgd_mix, bkgd_mix, dev->accel.cx, dev->accel.cy, pixcntl, dev->accel.sy, dev->accel.multifunc[0x0a] & 6, dev->accel.frgd_mix & 0x1f, dev->accel.bkgd_mix & 0x1f, bkgd_color, frgd_color, dev->accel.clip_top, clip_b); if (ibm8514_cpu_src(svga)) { if (dev->accel.cmd & 0x02) { if (!(dev->accel.cmd & 0x1000)) { if (dev->accel.cmd & 0x08) dev->accel.output = 1; } } dev->data_available = 0; dev->data_available2 = 0; return; /*Wait for data from CPU*/ } else if (ibm8514_cpu_dest(svga)) { dev->data_available = 1; dev->data_available2 = 1; return; } } if (dev->accel.cmd & 0x08) { /*Vector Line*/ if (ibm8514_cpu_dest(svga) && cpu_input && (dev->accel.cmd & 0x02)) count >>= 1; if (dev->accel.cmd & 0x02) ibm8514_log("Line Draw Vector Single pixtrans=%04x, count=%d.\n", mix_dat, count); while (count-- && (dev->accel.sy >= 0)) { if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { if (ibm8514_cpu_dest(svga) && (pixcntl == 0)) { mix_dat = mix_mask; /* Mix data = forced to foreground register. */ } else if (ibm8514_cpu_dest(svga) && (pixcntl == 3)) { /* Mix data = current video memory value. */ READ((dev->accel.cy * dev->pitch) + dev->accel.cx, mix_dat); mix_dat = ((mix_dat & rd_mask) == rd_mask); mix_dat = mix_dat ? mix_mask : 0; } if (ibm8514_cpu_dest(svga)) { READ((dev->accel.cy * dev->pitch) + dev->accel.cx, src_dat); if (pixcntl == 3) src_dat = ((src_dat & rd_mask) == rd_mask); } else { if (dev->accel.output) { switch ((mix_dat & 0x01) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } } else { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } } } READ((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; if (dev->accel.output) { MIX(mix_dat & 0x01, dest_dat, src_dat); } else { MIX(mix_dat & mix_mask, dest_dat, src_dat); } dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if ((dev->accel.cmd & 0x02) && ibm8514_cpu_src(svga)) { if ((dev->accel.cmd & 0x04) && dev->accel.sy) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } else if (!(dev->accel.cmd & 0x04)) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } } else { if (ibm8514_cpu_src(svga) || !cpu_input) { if ((dev->accel.cmd & 0x04) && dev->accel.sy) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } else if (!(dev->accel.cmd & 0x04)) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } } } } } if (!dev->accel.sy) break; if (dev->accel.output) mix_dat >>= 1; else { mix_dat <<= 1; mix_dat |= 1; } if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; switch (dev->accel.cmd & 0xe0) { case 0x00: dev->accel.cx++; break; case 0x20: dev->accel.cx++; dev->accel.cy--; break; case 0x40: dev->accel.cy--; break; case 0x60: dev->accel.cx--; dev->accel.cy--; break; case 0x80: dev->accel.cx--; break; case 0xa0: dev->accel.cx--; dev->accel.cy++; break; case 0xc0: dev->accel.cy++; break; case 0xe0: dev->accel.cx++; dev->accel.cy++; break; default: break; } dev->accel.sy--; } dev->accel.cur_x = dev->accel.cx; dev->accel.cur_y = dev->accel.cy; dev->accel.x_count = 0; dev->accel.output = 0; } else { /*Bresenham Line*/ if (pixcntl == 1) { dev->accel.temp_cnt = 8; while (count-- && (dev->accel.sy >= 0)) { if (!dev->accel.temp_cnt) { dev->accel.temp_cnt = 8; mix_dat = old_mix_dat; } if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { if (ibm8514_cpu_dest(svga)) { READ((dev->accel.cy * dev->pitch) + dev->accel.cx, src_dat); } else switch ((mix_dat & 0x01) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } READ((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & 0x01, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if ((dev->accel.cmd & 0x04) && dev->accel.sy) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } else if (!(dev->accel.cmd & 0x04)) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } } } dev->accel.temp_cnt--; mix_dat >>= 1; if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; if (dev->accel.sy == 0) break; if (dev->accel.cmd & 0x40) { if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; if (dev->accel.err_term >= 0) { dev->accel.err_term += dev->accel.destx_distp; if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; } else dev->accel.err_term += dev->accel.desty_axstp; } else { if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; if (dev->accel.err_term >= 0) { dev->accel.err_term += dev->accel.destx_distp; if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; } else dev->accel.err_term += dev->accel.desty_axstp; } dev->accel.sy--; } } else { while (count-- && (dev->accel.sy >= 0)) { if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { if (ibm8514_cpu_dest(svga) && (pixcntl == 0)) { mix_dat = mix_mask; /* Mix data = forced to foreground register. */ } else if (ibm8514_cpu_dest(svga) && (pixcntl == 3)) { /* Mix data = current video memory value. */ READ((dev->accel.cy * dev->pitch) + dev->accel.cx, mix_dat); mix_dat = ((mix_dat & rd_mask) == rd_mask); mix_dat = mix_dat ? mix_mask : 0; } if (ibm8514_cpu_dest(svga)) { READ((dev->accel.cy * dev->pitch) + dev->accel.cx, src_dat); if (pixcntl == 3) src_dat = ((src_dat & rd_mask) == rd_mask); } else switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } READ((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if ((dev->accel.cmd & 0x04) && dev->accel.sy) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } else if (!(dev->accel.cmd & 0x04)) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } } } mix_dat <<= 1; mix_dat |= 1; if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; if (dev->accel.sy == 0) break; if (dev->accel.cmd & 0x40) { if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; if (dev->accel.err_term >= 0) { dev->accel.err_term += dev->accel.destx_distp; if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; } else dev->accel.err_term += dev->accel.desty_axstp; } else { if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; if (dev->accel.err_term >= 0) { dev->accel.err_term += dev->accel.destx_distp; if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; } else dev->accel.err_term += dev->accel.desty_axstp; } dev->accel.sy--; } } dev->accel.cur_x = dev->accel.cx; dev->accel.cur_y = dev->accel.cy; } break; case 2: /*Rectangle fill (X direction)*/ case 3: /*Rectangle fill (Y direction)*/ case 4: /*Rectangle fill (Y direction using nibbles)*/ if (!cpu_input) { dev->accel.x_count = 0; dev->accel.output = 0; dev->accel.input = 0; dev->accel.input2 = 0; dev->accel.odd_in = 0; dev->accel.cx = dev->accel.cur_x; if (dev->accel.cur_x >= 0x600) dev->accel.cx |= ~0x5ff; dev->accel.cy = dev->accel.cur_y; if (dev->accel.cur_y >= 0x600) dev->accel.cy |= ~0x5ff; dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; dev->accel.sy = dev->accel.multifunc[0] & 0x7ff; if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); else if (dev->bpp) dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); else dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); if (cmd == 4) dev->accel.cmd |= 0x02; else if (cmd == 3) dev->accel.cmd &= ~0x02; if (ibm8514_cpu_src(svga)) { if (dev->accel.cmd & 0x02) { if (!(dev->accel.cmd & 0x1000)) { if (dev->accel.cmd & 0x08) { dev->accel.x_count = dev->accel.cx - (and3 + 3); dev->accel.sx += (and3 + 3); } else { dev->accel.x_count = dev->accel.cx; if (and3) { if (dev->accel.cmd & 0x20) dev->accel.x_count -= and3; else dev->accel.x_count += and3; dev->accel.sx += 8; } } } } else { if (dev->accel.cmd & 0x1000) { if (dev->accel.cmd & 0x200) { if (dev->accel.cmd & 0x04) { dev->accel.output = 1; dev->accel.sx -= 2; } } } } dev->data_available = 0; dev->data_available2 = 0; return; /*Wait for data from CPU*/ } else if (ibm8514_cpu_dest(svga)) { if (!(dev->accel.cmd & 0x02)) { if (dev->accel.cmd & 0x1000) { if (dev->accel.cmd & 0x200) { if (!(dev->accel.sx & 1) && !(dev->accel.cmd & 0x04)) { dev->accel.input = 1; } else if (dev->accel.cmd & 0x04) { dev->accel.input2 = 1; dev->accel.sx -= 2; } } } } ibm8514_log("INPUT=%d.\n", dev->accel.input); dev->data_available = 1; dev->data_available2 = 1; return; /*Wait for data from CPU*/ } } ibm8514_log("Rectangle %d: full=%04x, odd=%d, c(%d,%d), frgdmix=%d, bkgdmix=%d, xcount=%d, and3=%d, len(%d,%d), CURX=%d, Width=%d, pixcntl=%d, mix_dat=%08x, count=%d, cpu_data=%08x, cpu_input=%d.\n", cmd, dev->accel.cmd, dev->accel.input, dev->accel.cx, dev->accel.cy, frgd_mix, bkgd_mix, dev->accel.x_count, and3, dev->accel.sx, dev->accel.sy, dev->accel.cur_x, dev->accel.maj_axis_pcnt, pixcntl, mix_dat, count, cpu_dat, cpu_input); if (dev->accel.cmd & 0x08) { /*Vectored Rectangle*/ if (cpu_input) { if (ibm8514_cpu_src(svga)) { while (count-- && (dev->accel.sy >= 0)) { if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } READ(dev->accel.dest + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if ((dev->accel.cmd & 0x02) && (dev->accel.x_count != dev->accel.cx)) goto skip_vector_rect_write; if ((dev->accel.cmd & 0x04) && dev->accel.sx) { WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } else if (!(dev->accel.cmd & 0x04)) { WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } } } switch (dev->accel.cmd & 0xe0) { case 0x00: dev->accel.cx++; break; case 0x20: dev->accel.cx++; break; case 0x60: dev->accel.cx--; break; case 0x80: dev->accel.cx--; break; case 0xa0: dev->accel.cx--; break; case 0xe0: dev->accel.cx++; break; default: break; } skip_vector_rect_write: switch (dev->accel.cmd & 0xe0) { case 0x00: dev->accel.x_count++; break; case 0x20: dev->accel.x_count++; break; case 0x60: dev->accel.x_count--; break; case 0x80: dev->accel.x_count--; break; case 0xa0: dev->accel.x_count--; break; case 0xe0: dev->accel.x_count++; break; default: break; } if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; mix_dat <<= 1; mix_dat |= 1; dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.cmd & 0x20) dev->accel.cx -= (dev->accel.sx + 1); else dev->accel.cx += (dev->accel.sx + 1); switch (dev->accel.cmd & 0xe0) { case 0x20: dev->accel.cy--; break; case 0x40: dev->accel.cy--; break; case 0x60: dev->accel.cy--; break; case 0xa0: dev->accel.cy++; break; case 0xc0: dev->accel.cy++; break; case 0xe0: dev->accel.cy++; break; default: break; } if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); else if (dev->bpp) dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); else dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.sy--; dev->accel.x_count = 0; return; } } } else ibm8514_log("Vectored Rectangle with destination reads (TODO).\n"); } else ibm8514_log("Vectored Rectangle with normal processing (TODO).\n"); } else { /*Normal Rectangle*/ if (cpu_input) { while (count-- && (dev->accel.sy >= 0)) { if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { if (ibm8514_cpu_dest(svga) && (pixcntl == 0)) { mix_dat = mix_mask; /* Mix data = forced to foreground register. */ } else if (ibm8514_cpu_dest(svga) && (pixcntl == 3)) { /* Mix data = current video memory value. */ READ(dev->accel.dest + dev->accel.cx, mix_dat); mix_dat = ((mix_dat & rd_mask) == rd_mask); mix_dat = mix_dat ? mix_mask : 0; } if (ibm8514_cpu_dest(svga)) { READ(dev->accel.dest + dev->accel.cx, src_dat); if (pixcntl == 3) src_dat = ((src_dat & rd_mask) == rd_mask); } else { if (dev->accel.cmd & 0x02) { switch ((mix_dat & 0x01) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } } else { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } } } READ(dev->accel.dest + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; if (dev->accel.cmd & 0x02) { MIX(mix_dat & 0x01, dest_dat, src_dat); if ((dev->accel.x_count != dev->accel.cx) && !(dev->accel.cmd & 0x1000) && and3) goto skip_nibble_rect_write; dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if ((dev->accel.cmd & 0x04) && dev->accel.sx) { WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } else if (!(dev->accel.cmd & 0x04)) { WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } } else { if (ibm8514_cpu_dest(svga) && (cmd == 2)) { if (pixcntl == 3) { MIX(mix_dat & mix_mask, dest_dat, src_dat); } } else { MIX(mix_dat & mix_mask, dest_dat, src_dat); } dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if ((dev->accel.cmd & 0x04) && dev->accel.sx) { WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } else if (!(dev->accel.cmd & 0x04)) { WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } } } } if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; skip_nibble_rect_write: if (dev->accel.cmd & 0x20) dev->accel.x_count++; else dev->accel.x_count--; if (dev->accel.cmd & 0x02) mix_dat >>= 1; else { mix_dat <<= 1; mix_dat |= 1; } if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.input) dev->accel.odd_in = 1; if (dev->accel.output || dev->accel.input2) dev->accel.sx -= 2; if (dev->accel.cmd & 0x20) dev->accel.cx -= (dev->accel.sx + 1); else dev->accel.cx += (dev->accel.sx + 1); if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); else if (dev->bpp) dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); else dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.sy--; dev->accel.x_count = 0; return; } } } else { if (pixcntl == 1) { if (dev->accel.cmd & 0x40) { count = (dev->accel.maj_axis_pcnt & 0x7ff) + 1; dev->accel.temp_cnt = 8; while (count-- && dev->accel.sy >= 0) { if (!dev->accel.temp_cnt) { mix_dat >>= 8; dev->accel.temp_cnt = 8; } if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: case 3: src_dat = 0; break; default: break; } READ(dev->accel.dest + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } } if (dev->accel.temp_cnt > 0) { dev->accel.temp_cnt--; mix_dat <<= 1; mix_dat |= 1; } if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.cmd & 0x20) { dev->accel.cx -= (dev->accel.sx + 1); } else dev->accel.cx += (dev->accel.sx + 1); if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); else if (dev->bpp) dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); else dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.sy--; return; } } } else { dev->accel.temp_cnt = 8; while (count-- && (dev->accel.sy >= 0)) { if (!dev->accel.temp_cnt) { dev->accel.temp_cnt = 8; mix_dat = old_mix_dat; } if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { switch ((mix_dat & 0x01) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: case 3: src_dat = 0; break; default: break; } READ(dev->accel.dest + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & 0x01, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } } dev->accel.temp_cnt--; mix_dat >>= 1; if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.cmd & 0x20) { dev->accel.cx -= (dev->accel.sx + 1); } else dev->accel.cx += (dev->accel.sx + 1); if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); else if (dev->bpp) dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); else dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.sy--; if (dev->accel.sy < 0) { if (cmd != 4) { dev->accel.cur_x = dev->accel.cx; dev->accel.cur_y = dev->accel.cy; } return; } } } } } else if ((dev->accel.multifunc[0x0a] & 0x06) == 0x04) { /*Polygon Draw Type A*/ while (count-- && (dev->accel.sy >= 0)) { if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { READ(dev->accel.dest + dev->accel.cx, mix_dat); if ((mix_dat & rd_mask_polygon) == rd_mask_polygon) dev->accel.fill_state ^= 1; READ(dev->accel.dest + dev->accel.cx, dest_dat); old_dest_dat = dest_dat; if (dev->accel.fill_state) { if (!(rd_mask_polygon & 0x01) && (wrt_mask & 0x01)) { MIX(mix_dat ^ rd_mask_polygon, dest_dat, mix_dat); ibm8514_log("Filling c(%d,%d) without bit 0 of rdmask=%02x, wrtmask=%02x, mixdat=%02x, dest=%02x, old=%02x.\n", dev->accel.cx, dev->accel.cy, rd_mask_polygon, wrt_mask, mix_dat, dest_dat, old_dest_dat); dest_dat &= ~rd_mask_polygon; } else if ((rd_mask_polygon & 0x01) && (wrt_mask & 0x01)) { ibm8514_log("Filling c(%d,%d) with bit 0 of rdmask=%02x, wrtmask=%02x.\n", dev->accel.cx, dev->accel.cy, rd_mask_polygon, wrt_mask); dest_dat &= ~(rd_mask_polygon & wrt_mask); } } else { if (!(rd_mask_polygon & 0x01) && (wrt_mask & 0x01)) dest_dat &= ~rd_mask_polygon; else if ((rd_mask_polygon & 0x01) && (wrt_mask & 0x01)) dest_dat &= ~(rd_mask_polygon & wrt_mask); } dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { ibm8514_log("Results c(%d,%d):rdmask=%02x, wrtmask=%02x, mix=%02x, destdat=%02x, nowrite=%d.\n", dev->accel.cx, dev->accel.cy, rd_mask_polygon, wrt_mask, mix_dat, dest_dat, dev->accel.cx_back); WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } } if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.fill_state = 0; dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.cmd & 0x20) dev->accel.cx -= (dev->accel.sx + 1); else dev->accel.cx += (dev->accel.sx + 1); if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); else if (dev->bpp) dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); else dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.sy--; if (dev->accel.sy < 0) { ibm8514_log(".\n"); return; } } } } else { ibm8514_log("Polygon Draw Type=%02x, CL=%d, CR=%d.\n", dev->accel.multifunc[0x0a] & 0x06, clip_l, clip_r); while (count-- && dev->accel.sy >= 0) { if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; if (!bkgd_mix && (dev->accel.cmd & 0x40) && ((dev->accel.frgd_mix & 0x1f) == 7) && ((dev->accel.bkgd_mix & 0x1f) == 3) && !dev->bpp && (bkgd_color == 0x00)) /*For some reason, the September 1992 Mach8/32 drivers for Win3.x don't set the background colors properly.*/ src_dat = frgd_color; break; case 1: src_dat = frgd_color; break; case 2: case 3: src_dat = 0; break; default: break; } READ(dev->accel.dest + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if (dev->accel.cmd & 0x10) { WRITE(dev->accel.dest + dev->accel.cx, dest_dat); } } } else ibm8514_log("Outside clipping.\n"); mix_dat <<= 1; mix_dat |= 1; if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.fill_state = 0; dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.cmd & 0x20) dev->accel.cx -= (dev->accel.sx + 1); else dev->accel.cx += (dev->accel.sx + 1); if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); else if (dev->bpp) dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); else dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.sy--; if (dev->accel.sy < 0) { if (cmd != 4) { dev->accel.cur_x = dev->accel.cx; dev->accel.cur_y = dev->accel.cy; } return; } } } } } } break; case 5: /*Draw Polygon Boundary Line*/ { if (!cpu_input) { dev->accel.sy = dev->accel.maj_axis_pcnt_no_limit; dev->accel.cx = dev->accel.cur_x; if (dev->accel.cur_x >= 0x600) dev->accel.cx |= ~0x5ff; dev->accel.cy = dev->accel.cur_y; if (dev->accel.cur_y >= 0x600) dev->accel.cy |= ~0x5ff; if (dev->accel.cmd & 0x80) dev->accel.oldcy = dev->accel.cy + 1; else dev->accel.oldcy = dev->accel.cy - 1; ibm8514_log("Polygon Boundary activated=%04x, len=%d, cur(%d,%d), frgdmix=%02x, err=%d, clipping: l=%d, r=%d, t=%d, b=%d, pixcntl=%02x.\n", dev->accel.cmd, dev->accel.sy, dev->accel.cx, dev->accel.cy, dev->accel.frgd_mix & 0x1f, dev->accel.err_term, dev->accel.multifunc[2], dev->accel.multifunc[4], dev->accel.clip_top, clip_b, dev->accel.multifunc[0x0a]); if (ibm8514_cpu_src(svga)) { dev->data_available = 0; dev->data_available2 = 0; return; /*Wait for data from CPU*/ } else if (ibm8514_cpu_dest(svga)) { dev->data_available = 1; dev->data_available2 = 1; return; } } if (dev->accel.cmd & 0x08) { /*Vectored Boundary Line*/ while (count-- && (dev->accel.sy >= 0)) { if (dev->accel.cx < clip_l) dev->accel.cx = clip_l; if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } READ((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if (dev->accel.cmd & 0x10) { if (dev->accel.sy && (dev->accel.cmd & 0x04)) { if (dev->accel.oldcy != dev->accel.cy) { WRITE((dev->accel.cy * dev->pitch) + (dev->accel.cx), dest_dat); } } else if (!(dev->accel.cmd & 0x04)) { if (dev->accel.oldcy != dev->accel.cy) { WRITE((dev->accel.cy * dev->pitch) + (dev->accel.cx), dest_dat); } } } } } mix_dat <<= 1; mix_dat |= 1; if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; if (!dev->accel.sy) break; switch (dev->accel.cmd & 0xe0) { case 0x00: dev->accel.cx++; break; case 0x20: dev->accel.cx++; dev->accel.oldcy = dev->accel.cy; dev->accel.cy--; break; case 0x40: dev->accel.oldcy = dev->accel.cy; dev->accel.cy--; break; case 0x60: dev->accel.cx--; dev->accel.oldcy = dev->accel.cy; dev->accel.cy--; break; case 0x80: dev->accel.cx--; break; case 0xa0: dev->accel.cx--; dev->accel.oldcy = dev->accel.cy; dev->accel.cy++; break; case 0xc0: dev->accel.oldcy = dev->accel.cy; dev->accel.cy++; break; case 0xe0: dev->accel.cx++; dev->accel.oldcy = dev->accel.cy; dev->accel.cy++; break; default: break; } dev->accel.sy--; } } else { /*Vectored Bresenham*/ while (count-- && (dev->accel.sy >= 0)) { if (dev->accel.cx < clip_l) dev->accel.cx = clip_l; if ((dev->accel.cx >= clip_l) && (dev->accel.cx <= clip_r) && (dev->accel.cy >= clip_t) && (dev->accel.cy <= clip_b)) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: src_dat = 0; break; default: break; } READ((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if ((dev->accel.cmd & 0x14) == 0x14) { if (dev->accel.sy) { if (dev->accel.oldcy != dev->accel.cy) { WRITE((dev->accel.cy * dev->pitch) + dev->accel.cx, dest_dat); } } } } } mix_dat <<= 1; mix_dat |= 1; if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; if (!dev->accel.sy) break; if (dev->accel.cmd & 0x40) { dev->accel.oldcy = dev->accel.cy; if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; if (dev->accel.err_term >= 0) { dev->accel.err_term += dev->accel.destx_distp; if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; } else dev->accel.err_term += dev->accel.desty_axstp; } else { if (dev->accel.cmd & 0x20) dev->accel.cx++; else dev->accel.cx--; dev->accel.oldcy = dev->accel.cy; if (dev->accel.err_term >= 0) { dev->accel.err_term += dev->accel.destx_distp; if (dev->accel.cmd & 0x80) dev->accel.cy++; else dev->accel.cy--; } else dev->accel.err_term += dev->accel.desty_axstp; } dev->accel.sy--; } } } break; case 6: /*BitBlt*/ if (!cpu_input) /*!cpu_input is trigger to start operation*/ { dev->accel.x_count = 0; dev->accel.dx = dev->accel.destx; if (dev->accel.destx >= 0x600) dev->accel.dx |= ~0x5ff; dev->accel.dy = dev->accel.desty; if (dev->accel.desty >= 0x600) dev->accel.dy |= ~0x5ff; dev->accel.cx = dev->accel.cur_x; if (dev->accel.cur_x >= 0x600) dev->accel.cx |= ~0x5ff; dev->accel.cy = dev->accel.cur_y; if (dev->accel.cur_y >= 0x600) dev->accel.cy |= ~0x5ff; dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; dev->accel.sy = dev->accel.multifunc[0] & 0x7ff; if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } else if (dev->bpp) { dev->accel.src = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.dy * dev->pitch); } else { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } dev->accel.fill_state = 0; if (ibm8514_cpu_src(svga)) { if (dev->accel.cmd & 0x02) { if (!(dev->accel.cmd & 0x1000)) { dev->accel.x_count = dev->accel.cx; if (and3) { if (dev->accel.cmd & 0x20) dev->accel.x_count -= and3; else dev->accel.x_count += and3; dev->accel.sx += 8; } } } dev->data_available = 0; dev->data_available2 = 0; return; /*Wait for data from CPU*/ } else if (ibm8514_cpu_dest(svga)) { dev->data_available = 1; dev->data_available2 = 1; return; /*Wait for data from CPU*/ } } ibm8514_log("BitBLT: full=%04x, odd=%d, c(%d,%d), d(%d,%d), xcount=%d, and3=%d, len(%d,%d), CURX=%d, Width=%d, pixcntl=%d, mix_dat=%08x, count=%d, cpu_data=%08x, cpu_input=%d.\n", dev->accel.cmd, dev->accel.input, dev->accel.cx, dev->accel.cy, dev->accel.dx, dev->accel.dy, dev->accel.x_count, and3, dev->accel.sx, dev->accel.sy, dev->accel.cur_x, dev->accel.maj_axis_pcnt, pixcntl, mix_dat, count, cpu_dat, cpu_input); if (cpu_input) { while (count-- && (dev->accel.sy >= 0)) { if ((dev->accel.dx >= clip_l) && (dev->accel.dx <= clip_r) && (dev->accel.dy >= clip_t) && (dev->accel.dy <= clip_b)) { if (pixcntl == 3) { if (!(dev->accel.cmd & 0x10) && ((frgd_mix != 3) || (bkgd_mix != 3))) { READ(dev->accel.src + dev->accel.cx, mix_dat); mix_dat = ((mix_dat & rd_mask) == rd_mask); if (dev->accel.cmd & 0x02) mix_dat = mix_dat ? 0x01 : 0x00; else mix_dat = mix_dat ? mix_mask : 0x00; } else if (dev->accel.cmd & 0x10) { READ(dev->accel.src + dev->accel.cx, mix_dat); mix_dat = ((mix_dat & rd_mask) == rd_mask); if (dev->accel.cmd & 0x02) mix_dat = mix_dat ? 0x01 : 0x00; else mix_dat = mix_dat ? mix_mask : 0x00; } } if (dev->accel.cmd & 0x02) { switch ((mix_dat & 0x01) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: READ(dev->accel.src + dev->accel.cx, src_dat); if (pixcntl == 3) { if (dev->accel.cmd & 0x10) src_dat = ((src_dat & rd_mask) == rd_mask); } break; default: break; } } else { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = cpu_dat; break; case 3: READ(dev->accel.src + dev->accel.cx, src_dat); if (pixcntl == 3) { if (dev->accel.cmd & 0x10) src_dat = ((src_dat & rd_mask) == rd_mask); } break; default: break; } } READ(dev->accel.dest + dev->accel.dx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; if (dev->accel.cmd & 0x02) { MIX(mix_dat & 0x01, dest_dat, src_dat); if ((dev->accel.x_count != dev->accel.cx) && !(dev->accel.cmd & 0x1000) && and3) goto skip_nibble_bitblt_write; dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); WRITE(dev->accel.dest + dev->accel.dx, dest_dat); } else { MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); WRITE(dev->accel.dest + dev->accel.dx, dest_dat); } } } if (dev->accel.cmd & 0x20) { dev->accel.dx++; dev->accel.cx++; } else { dev->accel.dx--; dev->accel.cx--; } skip_nibble_bitblt_write: if (dev->accel.cmd & 0x20) dev->accel.x_count++; else dev->accel.x_count--; if (dev->accel.cmd & 0x02) mix_dat >>= 1; else { mix_dat <<= 1; mix_dat |= 1; } if (dev->bpp) cpu_dat >>= 16; else cpu_dat >>= 8; dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.cmd & 0x20) { dev->accel.dx -= (dev->accel.sx + 1); dev->accel.cx -= (dev->accel.sx + 1); } else { dev->accel.dx += (dev->accel.sx + 1); dev->accel.cx += (dev->accel.sx + 1); } if (dev->accel.cmd & 0x80) { dev->accel.dy++; dev->accel.cy++; } else { dev->accel.dy--; dev->accel.cy--; } if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } else if (dev->bpp) { dev->accel.src = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.dy * dev->pitch); } else { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } dev->accel.sy--; dev->accel.x_count = 0; return; } } } else { if (pixcntl == 1) { if (dev->accel.cmd & 0x40) { count = (dev->accel.maj_axis_pcnt & 0x7ff) + 1; dev->accel.temp_cnt = 8; while (count-- && (dev->accel.sy >= 0)) { if (!dev->accel.temp_cnt) { mix_dat >>= 8; dev->accel.temp_cnt = 8; } if ((dev->accel.dx >= clip_l) && (dev->accel.dx <= clip_r) && (dev->accel.dy >= clip_t) && (dev->accel.dy <= clip_b)) { switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = 0; break; case 3: READ(dev->accel.src + dev->accel.cx, src_dat); break; default: break; } READ(dev->accel.dest + dev->accel.dx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); WRITE(dev->accel.dest + dev->accel.dx, dest_dat); } } if (dev->accel.temp_cnt > 0) { dev->accel.temp_cnt--; mix_dat <<= 1; mix_dat |= 1; } if (dev->accel.cmd & 0x20) { dev->accel.dx++; dev->accel.cx++; } else { dev->accel.dx--; dev->accel.cx--; } dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.cmd & 0x20) { dev->accel.dx -= (dev->accel.sx + 1); dev->accel.cx -= (dev->accel.sx + 1); } else { dev->accel.dx += (dev->accel.sx + 1); dev->accel.cx += (dev->accel.sx + 1); } if (dev->accel.cmd & 0x80) { dev->accel.dy++; dev->accel.cy++; } else { dev->accel.dy--; dev->accel.cy--; } if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } else if (dev->bpp) { dev->accel.src = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.dy * dev->pitch); } else { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } dev->accel.sy--; return; } } } else { dev->accel.temp_cnt = 8; while (count-- && (dev->accel.sy >= 0)) { if (!dev->accel.temp_cnt) { dev->accel.temp_cnt = 8; mix_dat = old_mix_dat; } if ((dev->accel.dx >= clip_l) && (dev->accel.dx <= clip_r) && (dev->accel.dy >= clip_t) && (dev->accel.dy <= clip_b)) { switch ((mix_dat & 0x01) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = 0; break; case 3: READ(dev->accel.src + dev->accel.cx, src_dat); break; default: break; } READ(dev->accel.dest + dev->accel.dx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & 0x01, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); WRITE(dev->accel.dest + dev->accel.dx, dest_dat); } } dev->accel.temp_cnt--; mix_dat >>= 1; if (dev->accel.cmd & 0x20) { dev->accel.dx++; dev->accel.cx++; } else { dev->accel.dx--; dev->accel.cx--; } dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.cmd & 0x20) { dev->accel.dx -= (dev->accel.sx + 1); dev->accel.cx -= (dev->accel.sx + 1); } else { dev->accel.dx += (dev->accel.sx + 1); dev->accel.cx += (dev->accel.sx + 1); } if (dev->accel.cmd & 0x80) { dev->accel.dy++; dev->accel.cy++; } else { dev->accel.dy--; dev->accel.cy--; } if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } else if (dev->bpp) { dev->accel.src = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.dy * dev->pitch); } else { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } dev->accel.sy--; if (dev->accel.sy < 0) { dev->accel.destx = dev->accel.dx; dev->accel.desty = dev->accel.dy; return; } } } } } else { if ((dev->accel_bpp == 24) && (dev->accel.cmd == 0xc2b5)) { int64_t cx; int64_t dx; cx = (int64_t) dev->accel.cx; dx = (int64_t) dev->accel.dx; while (1) { if ((dx >= (((int64_t)clip_l) * 3)) && (dx <= (((uint64_t)clip_r) * 3)) && (dev->accel.dy >= (clip_t << 1)) && (dev->accel.dy <= (clip_b << 1))) { READ(dev->accel.src + cx, src_dat); READ(dev->accel.dest + dx, dest_dat); dest_dat = (src_dat & wrt_mask) | (dest_dat & ~wrt_mask); WRITE(dev->accel.dest + dx, dest_dat); } cx++; dx++; dev->accel.sx--; if (dev->accel.sx < 0) return; } } else { while (count-- && dev->accel.sy >= 0) { if ((dev->accel.dx >= clip_l) && (dev->accel.dx <= clip_r) && (dev->accel.dy >= clip_t) && (dev->accel.dy <= clip_b)) { if (pixcntl == 3) { if (!(dev->accel.cmd & 0x10) && ((frgd_mix != 3) || (bkgd_mix != 3))) { READ(dev->accel.src + dev->accel.cx, mix_dat); mix_dat = ((mix_dat & rd_mask) == rd_mask); mix_dat = mix_dat ? mix_mask : 0; } else if (dev->accel.cmd & 0x10) { READ(dev->accel.src + dev->accel.cx, mix_dat); mix_dat = ((mix_dat & rd_mask) == rd_mask); mix_dat = mix_dat ? mix_mask : 0; } } switch ((mix_dat & mix_mask) ? frgd_mix : bkgd_mix) { case 0: src_dat = bkgd_color; break; case 1: src_dat = frgd_color; break; case 2: src_dat = 0; break; case 3: READ(dev->accel.src + dev->accel.cx, src_dat); if (pixcntl == 3) { if ((dev->accel.cmd & 0x10) && !(dev->accel.cmd & 0x40)) src_dat = ((src_dat & rd_mask) == rd_mask); } break; default: break; } READ(dev->accel.dest + dev->accel.dx, dest_dat); if ((compare_mode == 0) || ((compare_mode == 0x10) && (dest_dat >= compare)) || ((compare_mode == 0x18) && (dest_dat < compare)) || ((compare_mode == 0x20) && (dest_dat != compare)) || ((compare_mode == 0x28) && (dest_dat == compare)) || ((compare_mode == 0x30) && (dest_dat <= compare)) || ((compare_mode == 0x38) && (dest_dat > compare))) { old_dest_dat = dest_dat; MIX(mix_dat & mix_mask, dest_dat, src_dat); dest_dat = (dest_dat & wrt_mask) | (old_dest_dat & ~wrt_mask); if (dev->accel.cmd & 0x04) { if (dev->accel.sx) { WRITE(dev->accel.dest + dev->accel.dx, dest_dat); } } else { WRITE(dev->accel.dest + dev->accel.dx, dest_dat); } } } mix_dat <<= 1; mix_dat |= 1; if (dev->accel.cmd & 0x20) { dev->accel.dx++; dev->accel.cx++; } else { dev->accel.dx--; dev->accel.cx--; } dev->accel.sx--; if (dev->accel.sx < 0) { dev->accel.fill_state = 0; dev->accel.sx = dev->accel.maj_axis_pcnt & 0x7ff; if (dev->accel.cmd & 0x20) { dev->accel.dx -= (dev->accel.sx + 1); dev->accel.cx -= (dev->accel.sx + 1); } else { dev->accel.dx += (dev->accel.sx + 1); dev->accel.cx += (dev->accel.sx + 1); } if (dev->accel.cmd & 0x80) { dev->accel.dy++; dev->accel.cy++; } else { dev->accel.dy--; dev->accel.cy--; } if ((dev->accel_bpp == 24) || (dev->accel_bpp <= 8)) { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } else if (dev->bpp) { dev->accel.src = (dev->accel.ge_offset << 1) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 1) + (dev->accel.dy * dev->pitch); } else { dev->accel.src = (dev->accel.ge_offset << 2) + (dev->accel.cy * dev->pitch); dev->accel.dest = (dev->accel.ge_offset << 2) + (dev->accel.dy * dev->pitch); } dev->accel.sy--; if (dev->accel.sy < 0) { dev->accel.destx = dev->accel.dx; dev->accel.desty = dev->accel.dy; return; } } } } } } break; default: break; } } void ibm8514_render_blank(svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; if ((dev->displine + svga->y_add) < 0) return; if (dev->firstline_draw == 2000) dev->firstline_draw = dev->displine; dev->lastline_draw = dev->displine; uint32_t *line_ptr = &svga->monitor->target_buffer->line[dev->displine + svga->y_add][svga->x_add]; uint32_t line_width = (uint32_t)(dev->h_disp) * sizeof(uint32_t); if (dev->h_disp > 0) memset(line_ptr, 0, line_width); } void ibm8514_render_8bpp(svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; uint32_t *p; uint32_t dat; if ((dev->displine + svga->y_add) < 0) return; if (dev->changedvram[dev->ma >> 12] || dev->changedvram[(dev->ma >> 12) + 1] || svga->fullchange) { p = &buffer32->line[dev->displine + svga->y_add][svga->x_add]; if (dev->firstline_draw == 2000) dev->firstline_draw = dev->displine; dev->lastline_draw = dev->displine; for (int x = 0; x <= dev->h_disp; x += 8) { dat = *(uint32_t *) (&dev->vram[dev->ma & dev->vram_mask]); p[0] = dev->pallook[dat & dev->dac_mask]; p[1] = dev->pallook[(dat >> 8) & dev->dac_mask]; p[2] = dev->pallook[(dat >> 16) & dev->dac_mask]; p[3] = dev->pallook[(dat >> 24) & dev->dac_mask]; dat = *(uint32_t *) (&dev->vram[(dev->ma + 4) & dev->vram_mask]); p[4] = dev->pallook[dat & dev->dac_mask]; p[5] = dev->pallook[(dat >> 8) & dev->dac_mask]; p[6] = dev->pallook[(dat >> 16) & dev->dac_mask]; p[7] = dev->pallook[(dat >> 24) & dev->dac_mask]; dev->ma += 8; p += 8; } dev->ma &= dev->vram_mask; } } void ibm8514_render_15bpp(svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; int x; uint32_t *p; uint32_t dat; if ((dev->displine + svga->y_add) < 0) { return; } if (dev->changedvram[dev->ma >> 12] || dev->changedvram[(dev->ma >> 12) + 1] || svga->fullchange) { p = &buffer32->line[dev->displine + svga->y_add][svga->x_add]; if (dev->firstline_draw == 2000) dev->firstline_draw = dev->displine; dev->lastline_draw = dev->displine; for (x = 0; x <= dev->h_disp; x += 8) { dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 1)) & dev->vram_mask]); p[x] = video_15to32[dat & 0xffff]; p[x + 1] = video_15to32[dat >> 16]; dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 1) + 4) & dev->vram_mask]); p[x + 2] = video_15to32[dat & 0xffff]; p[x + 3] = video_15to32[dat >> 16]; dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 1) + 8) & dev->vram_mask]); p[x + 4] = video_15to32[dat & 0xffff]; p[x + 5] = video_15to32[dat >> 16]; dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 1) + 12) & dev->vram_mask]); p[x + 6] = video_15to32[dat & 0xffff]; p[x + 7] = video_15to32[dat >> 16]; } dev->ma += (x << 1); dev->ma &= dev->vram_mask; } } void ibm8514_render_16bpp(svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; int x; uint32_t *p; uint32_t dat; if ((dev->displine + svga->y_add) < 0) { return; } if (dev->changedvram[dev->ma >> 12] || dev->changedvram[(dev->ma >> 12) + 1] || svga->fullchange) { p = &buffer32->line[dev->displine + svga->y_add][svga->x_add]; if (dev->firstline_draw == 2000) dev->firstline_draw = dev->displine; dev->lastline_draw = dev->displine; for (x = 0; x <= dev->h_disp; x += 8) { dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 1)) & dev->vram_mask]); p[x] = video_16to32[dat & 0xffff]; p[x + 1] = video_16to32[dat >> 16]; dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 1) + 4) & dev->vram_mask]); p[x + 2] = video_16to32[dat & 0xffff]; p[x + 3] = video_16to32[dat >> 16]; dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 1) + 8) & dev->vram_mask]); p[x + 4] = video_16to32[dat & 0xffff]; p[x + 5] = video_16to32[dat >> 16]; dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 1) + 12) & dev->vram_mask]); p[x + 6] = video_16to32[dat & 0xffff]; p[x + 7] = video_16to32[dat >> 16]; } dev->ma += (x << 1); dev->ma &= dev->vram_mask; } } void ibm8514_render_24bpp(svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; uint32_t *p; uint32_t dat; if ((dev->displine + svga->y_add) < 0) return; if (dev->changedvram[dev->ma >> 12] || dev->changedvram[(dev->ma >> 12) + 1] || svga->fullchange) { p = &buffer32->line[dev->displine + svga->y_add][svga->x_add]; if (dev->firstline_draw == 2000) dev->firstline_draw = dev->displine; dev->lastline_draw = dev->displine; for (int x = 0; x <= dev->h_disp; x += 4) { dat = *(uint32_t *) (&dev->vram[dev->ma & dev->vram_mask]); p[x] = dat & 0xffffff; dat = *(uint32_t *) (&dev->vram[(dev->ma + 3) & dev->vram_mask]); p[x + 1] = dat & 0xffffff; dat = *(uint32_t *) (&dev->vram[(dev->ma + 6) & dev->vram_mask]); p[x + 2] = dat & 0xffffff; dat = *(uint32_t *) (&dev->vram[(dev->ma + 9) & dev->vram_mask]); p[x + 3] = dat & 0xffffff; dev->ma += 12; } dev->ma &= dev->vram_mask; } } void ibm8514_render_BGR(svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; uint32_t *p; uint32_t dat; if ((dev->displine + svga->y_add) < 0) return; if (dev->changedvram[dev->ma >> 12] || dev->changedvram[(dev->ma >> 12) + 1] || svga->fullchange) { p = &buffer32->line[dev->displine + svga->y_add][svga->x_add]; if (dev->firstline_draw == 2000) dev->firstline_draw = dev->displine; dev->lastline_draw = dev->displine; for (int x = 0; x <= dev->h_disp; x += 4) { dat = *(uint32_t *) (&dev->vram[dev->ma & dev->vram_mask]); p[x] = ((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16); dat = *(uint32_t *) (&dev->vram[(dev->ma + 3) & dev->vram_mask]); p[x + 1] = ((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16); dat = *(uint32_t *) (&dev->vram[(dev->ma + 6) & dev->vram_mask]); p[x + 2] = ((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16); dat = *(uint32_t *) (&dev->vram[(dev->ma + 9) & dev->vram_mask]); p[x + 3] = ((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16); dev->ma += 12; } dev->ma &= dev->vram_mask; } } void ibm8514_render_ABGR8888(svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; int x; uint32_t *p; uint32_t dat; if ((dev->displine + svga->y_add) < 0) return; if (dev->changedvram[dev->ma >> 12] || dev->changedvram[(dev->ma >> 12) + 1] || svga->fullchange) { p = &buffer32->line[dev->displine + svga->y_add][svga->x_add]; if (dev->firstline_draw == 2000) dev->firstline_draw = dev->displine; dev->lastline_draw = dev->displine; for (x = 0; x <= dev->h_disp; x++) { dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 2)) & dev->vram_mask]); *p++ = ((dat & 0xff0000) >> 16) | (dat & 0x00ff00) | ((dat & 0x0000ff) << 16); } dev->ma += (x * 4); dev->ma &= dev->vram_mask; } } void ibm8514_render_32bpp(svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; int x; uint32_t *p; uint32_t dat; if ((dev->displine + svga->y_add) < 0) return; if (dev->changedvram[dev->ma >> 12] || dev->changedvram[(dev->ma >> 12) + 1] || dev->changedvram[(dev->ma >> 12) + 2] || svga->fullchange) { p = &buffer32->line[dev->displine + svga->y_add][svga->x_add]; if (dev->firstline_draw == 2000) dev->firstline_draw = dev->displine; dev->lastline_draw = dev->displine; for (x = 0; x <= dev->h_disp; x++) { dat = *(uint32_t *) (&dev->vram[(dev->ma + (x << 2)) & dev->vram_mask]); p[x] = dat & 0xffffff; } dev->ma += (x * 4); dev->ma &= dev->vram_mask; } } static void ibm8514_render_overscan_left(ibm8514_t *dev, svga_t *svga) { if ((dev->displine + svga->y_add) < 0) return; if (svga->scrblank || (dev->h_disp == 0)) return; for (int i = 0; i < svga->x_add; i++) buffer32->line[dev->displine + svga->y_add][i] = svga->overscan_color; } static void ibm8514_render_overscan_right(ibm8514_t *dev, svga_t *svga) { int right; if ((dev->displine + svga->y_add) < 0) return; if (svga->scrblank || (dev->h_disp == 0)) return; right = (overscan_x >> 1); for (int i = 0; i < right; i++) buffer32->line[dev->displine + svga->y_add][svga->x_add + dev->h_disp + i] = svga->overscan_color; } void ibm8514_poll(void *priv) { svga_t *svga = (svga_t *)priv; ibm8514_t *dev = (ibm8514_t *)svga->dev8514; uint32_t x; int wx; int wy; ibm8514_log("IBM 8514/A poll.\n"); if (dev->on) { ibm8514_log("ON!\n"); if (!dev->linepos) { if ((dev->displine == ((dev->hwcursor_latch.y < 0) ? 0 : dev->hwcursor_latch.y)) && dev->hwcursor_latch.ena) { dev->hwcursor_on = dev->hwcursor_latch.cur_ysize - dev->hwcursor_latch.yoff; dev->hwcursor_oddeven = 0; } if ((dev->displine == (((dev->hwcursor_latch.y < 0) ? 0 : dev->hwcursor_latch.y) + 1)) && dev->hwcursor_latch.ena && dev->interlace) { dev->hwcursor_on = dev->hwcursor_latch.cur_ysize - (dev->hwcursor_latch.yoff + 1); dev->hwcursor_oddeven = 1; } timer_advance_u64(&svga->timer, dev->dispofftime); svga->cgastat |= 1; dev->linepos = 1; if (dev->dispon) { dev->hdisp_on = 1; dev->ma &= dev->vram_mask; if (dev->firstline == 2000) { dev->firstline = dev->displine; video_wait_for_buffer_monitor(svga->monitor_index); } if (dev->hwcursor_on) dev->changedvram[dev->ma >> 12] = dev->changedvram[(dev->ma >> 12) + 1] = dev->interlace ? 3 : 2; svga->render8514(svga); svga->x_add = (overscan_x >> 1); ibm8514_render_overscan_left(dev, svga); ibm8514_render_overscan_right(dev, svga); svga->x_add = (overscan_x >> 1); if (dev->hwcursor_on) { if (svga->hwcursor_draw) svga->hwcursor_draw(svga, (dev->displine + svga->y_add + ((dev->hwcursor_latch.y >= 0) ? 0 : dev->hwcursor_latch.y)) & 2047); dev->hwcursor_on--; if (dev->hwcursor_on && dev->interlace) dev->hwcursor_on--; } if (dev->lastline < dev->displine) dev->lastline = dev->displine; } dev->displine++; if (dev->interlace) dev->displine++; if ((svga->cgastat & 8) && ((dev->displine & 0x0f) == (svga->crtc[0x11] & 0x0f)) && svga->vslines) svga->cgastat &= ~8; svga->vslines++; if (dev->displine > 1500) dev->displine = 0; } else { timer_advance_u64(&svga->timer, dev->dispontime); if (dev->dispon) svga->cgastat &= ~1; dev->hdisp_on = 0; dev->linepos = 0; if (dev->dispon) { if (dev->sc == dev->rowcount) { dev->sc = 0; dev->maback += (dev->rowoffset << 3); if (dev->interlace) dev->maback += (dev->rowoffset << 3); dev->maback &= dev->vram_mask; dev->ma = dev->maback; } else { dev->sc++; dev->sc &= 0x1f; dev->ma = dev->maback; } } dev->vc++; dev->vc &= 0xfff; if (dev->vc == dev->dispend) { dev->dispon = 0; for (x = 0; x < ((dev->vram_mask + 1) >> 12); x++) { if (dev->changedvram[x]) dev->changedvram[x]--; } if (svga->fullchange) svga->fullchange--; } if (dev->vc == dev->v_syncstart) { dev->dispon = 0; svga->cgastat |= 8; x = dev->h_disp; if (dev->interlace && !dev->oddeven) dev->lastline++; if (dev->interlace && dev->oddeven) dev->firstline--; wx = x; wy = dev->lastline - dev->firstline; svga_doblit(wx, wy, svga); dev->firstline = 2000; dev->lastline = 0; dev->firstline_draw = 2000; dev->lastline_draw = 0; dev->oddeven ^= 1; svga->monitor->mon_changeframecount = dev->interlace ? 3 : 2; svga->vslines = 0; if (dev->interlace && dev->oddeven) dev->ma = dev->maback = (dev->rowoffset << 1); else dev->ma = dev->maback = 0; dev->ma = (dev->ma << 2); dev->maback = (dev->maback << 2); } if (dev->vc == dev->v_total) { dev->vc = 0; dev->sc = 0; dev->dispon = 1; dev->displine = (dev->interlace && dev->oddeven) ? 1 : 0; svga->x_add = (overscan_x >> 1); dev->hwcursor_on = 0; dev->hwcursor_latch = dev->hwcursor; } } } } void ibm8514_recalctimings(svga_t *svga) { ibm8514_t *dev = (ibm8514_t *) svga->dev8514; svga->render8514 = ibm8514_render_blank; #ifdef ATI_8514_ULTRA if (dev->extensions) { if (svga->ext8514 != NULL) ati8514_recalctimings(svga); } else #endif { if (dev->on) { dev->h_total = dev->htotal + 1; dev->rowcount = !!(dev->disp_cntl & 0x08); if (dev->accel.advfunc_cntl & 0x01) { if (dev->accel.advfunc_cntl & 0x04) { dev->h_disp = dev->hdisp; dev->dispend = dev->vdisp; } else { dev->h_disp = 640; dev->dispend = 480; } } else { dev->h_disp = dev->hdisp; dev->dispend = dev->vdisp; } if (dev->accel.advfunc_cntl & 0x04) svga->clock8514 = (cpuclock * (double) (1ULL << 32)) / 44900000.0; else svga->clock8514 = (cpuclock * (double) (1ULL << 32)) / 25175000.0; if (dev->dispend == 766) dev->dispend += 2; if (dev->dispend == 478) dev->dispend += 2; if (dev->interlace) dev->dispend >>= 1; dev->pitch = 1024; dev->rowoffset = 0x80; svga->map8 = dev->pallook; if (dev->vram_512k_8514) { if (dev->h_disp == 640) dev->pitch = 640; } dev->accel_bpp = 8; svga->render8514 = ibm8514_render_8bpp; ibm8514_log("BPP=%d, Pitch = %d, rowoffset = %d, crtc13 = %02x, highres bit = %02x, has_vga? = %d.\n", dev->bpp, dev->pitch, dev->rowoffset, svga->crtc[0x13], dev->accel.advfunc_cntl & 4, !ibm8514_standalone_enabled); } } ibm8514_log("8514 enabled, hdisp=%d, vtotal=%d, htotal=%d, dispend=%d, rowoffset=%d, split=%d, vsyncstart=%d, split=%08x\n", dev->hdisp, dev->vtotal, dev->htotal, dev->dispend, dev->rowoffset, dev->split, dev->vsyncstart, dev->split); } static uint8_t ibm8514_mca_read(int port, void *priv) { const svga_t *svga = (svga_t *) priv; const ibm8514_t *dev = (ibm8514_t *) svga->dev8514; return (dev->pos_regs[port & 7]); } static void ibm8514_mca_write(int port, uint8_t val, void *priv) { svga_t *svga = (svga_t *) priv; ibm8514_t *dev = (ibm8514_t *) svga->dev8514; /* MCA does not write registers below 0x0100. */ if (port < 0x0102) return; /* Save the MCA register value. */ dev->pos_regs[port & 7] = val; } static uint8_t ibm8514_mca_feedb(void *priv) { const svga_t *svga = (svga_t *) priv; const ibm8514_t *dev = (ibm8514_t *) svga->dev8514; return dev->pos_regs[2] & 1; } static void ibm8514_mca_reset(void *priv) { svga_t *svga = (svga_t *) priv; ibm8514_t *dev = (ibm8514_t *) svga->dev8514; ibm8514_log("MCA reset.\n"); dev->on = 0; vga_on = 1; #ifdef ATI_8514_ULTRA if (dev->extensions) ati8514_mca_write(0x102, 0, svga); else #endif ibm8514_mca_write(0x102, 0, svga); timer_set_callback(&svga->timer, svga_poll); } static void * ibm8514_init(const device_t *info) { #ifdef ATI_8514_ULTRA uint32_t bios_addr = 0; #endif if (svga_get_pri() == NULL) return NULL; svga_t *svga = svga_get_pri(); ibm8514_t *dev = (ibm8514_t *) calloc(1, sizeof(ibm8514_t)); svga->dev8514 = dev; svga->ext8514 = NULL; dev->vram_amount = device_get_config_int("memory"); dev->vram_512k_8514 = dev->vram_amount == 512; dev->vram_size = dev->vram_amount << 10; dev->vram = calloc(dev->vram_size, 1); dev->changedvram = calloc((dev->vram_size >> 12) + 1, 1); dev->vram_mask = dev->vram_size - 1; dev->map8 = dev->pallook; dev->local = 0; dev->accel_bpp = 8; dev->type = info->flags; dev->bpp = 0; #ifdef ATI_8514_ULTRA dev->extensions = device_get_config_int("extensions"); bios_addr = device_get_config_hex20("bios_addr"); switch (dev->extensions) { case 1: if (rom_present(BIOS_MACH8_ROM_PATH)) { mach_t * mach = (mach_t *) calloc(1, sizeof(mach_t)); svga->ext8514 = mach; if (dev->type & DEVICE_MCA) { rom_init(&dev->bios_rom, BIOS_MACH8_ROM_PATH, 0xc6000, 0x2000, 0x1fff, 0, MEM_MAPPING_EXTERNAL); dev->pos_regs[0] = 0x88; dev->pos_regs[1] = 0x80; mca_add(ati8514_mca_read, ati8514_mca_write, ibm8514_mca_feedb, ibm8514_mca_reset, svga); ati_eeprom_load(&mach->eeprom, "ati8514_mca.nvr", 0); mem_mapping_disable(&dev->bios_rom.mapping); } else { rom_init(&dev->bios_rom, BIOS_MACH8_ROM_PATH, bios_addr, 0x1000, 0xfff, 0, MEM_MAPPING_EXTERNAL); rom_init(&dev->bios_rom2, BIOS_MACH8_ROM_PATH, bios_addr + 0x1000, 0x800, 0x7ff, 0x1000, MEM_MAPPING_EXTERNAL); ati_eeprom_load(&mach->eeprom, "ati8514.nvr", 0); mach->accel.scratch0 = (((bios_addr >> 7) - 0x1000) >> 4); mach->accel.scratch1 = mach->accel.scratch0 - 0x80; } ati8514_init(svga, svga->ext8514, svga->dev8514); break; } fallthrough; default: ibm8514_io_set(svga); if (dev->type & DEVICE_MCA) { dev->pos_regs[0] = 0x7f; dev->pos_regs[1] = 0xef; mca_add(ibm8514_mca_read, ibm8514_mca_write, ibm8514_mca_feedb, ibm8514_mca_reset, svga); } break; } #else ibm8514_io_set(svga); if (dev->type & DEVICE_MCA) { dev->pos_regs[0] = 0x7f; dev->pos_regs[1] = 0xef; mca_add(ibm8514_mca_read, ibm8514_mca_write, ibm8514_mca_feedb, ibm8514_mca_reset, svga); } #endif return svga; } static void ibm8514_close(void *priv) { svga_t *svga = (svga_t *) priv; ibm8514_t *dev = (ibm8514_t *) svga->dev8514; #ifdef ATI_8514_ULTRA mach_t *mach = (mach_t *) svga->ext8514; if (mach) free(mach); #endif if (dev) { free(dev->vram); free(dev->changedvram); free(dev); } } static void ibm8514_speed_changed(void *priv) { svga_t *svga = (svga_t *) priv; svga_recalctimings(svga); } static void ibm8514_force_redraw(void *priv) { svga_t *svga = (svga_t *) priv; svga->fullchange = changeframecount; } #ifdef ATI_8514_ULTRA // clang-format off static const device_config_t ext8514_config[] = { { .name = "memory", .description = "Memory size", .type = CONFIG_SELECTION, .default_int = 1024, .selection = { { .description = "512 KB", .value = 512 }, { .description = "1 MB", .value = 1024 }, { .description = "" } } }, { .name = "extensions", .description = "Vendor", .type = CONFIG_SELECTION, .default_int = 0, .selection = { { .description = "IBM", .value = 0 }, { .description = "ATI", .value = 1 }, { .description = "" } } }, { .name = "bios_addr", .description = "BIOS address", .type = CONFIG_HEX20, .default_string = "", .default_int = 0xc8000, .file_filter = "", .spinner = { 0 }, .selection = { { .description = "C800h", .value = 0xc8000 }, { .description = "CA00h", .value = 0xca000 }, { .description = "CC00h", .value = 0xcc000 }, { .description = "CE00h", .value = 0xce000 }, { .description = "D000h", .value = 0xd0000 }, { .description = "D200h", .value = 0xd2000 }, { .description = "D400h", .value = 0xd4000 }, { .description = "D600h", .value = 0xd6000 }, { .description = "D800h", .value = 0xd8000 }, { .description = "DA00h", .value = 0xda000 }, { .description = "DC00h", .value = 0xdc000 }, { .description = "DE00h", .value = 0xde000 }, { .description = "" } }, }, { .type = CONFIG_END } }; #else // clang-format off static const device_config_t ext8514_config[] = { { .name = "memory", .description = "Memory size", .type = CONFIG_SELECTION, .default_int = 1024, .selection = { { .description = "512 KB", .value = 512 }, { .description = "1 MB", .value = 1024 }, { .description = "" } } }, { .type = CONFIG_END } }; #endif // clang-format off const device_t gen8514_isa_device = { .name = "IBM 8514/A clone (ISA)", .internal_name = "8514_isa", .flags = DEVICE_AT | DEVICE_ISA, .local = 0, .init = ibm8514_init, .close = ibm8514_close, .reset = NULL, { .available = NULL }, .speed_changed = ibm8514_speed_changed, .force_redraw = ibm8514_force_redraw, .config = ext8514_config }; const device_t ibm8514_mca_device = { .name = "IBM 8514/A (MCA)", .internal_name = "8514_mca", .flags = DEVICE_MCA, .local = 0, .init = ibm8514_init, .close = ibm8514_close, .reset = NULL, { .available = NULL }, .speed_changed = ibm8514_speed_changed, .force_redraw = ibm8514_force_redraw, .config = ext8514_config }; void ibm8514_device_add(void) { if (!ibm8514_standalone_enabled) return; if (machine_has_bus(machine, MACHINE_BUS_MCA)) device_add(&ibm8514_mca_device); else device_add(&gen8514_isa_device); }