680 lines
27 KiB
C
680 lines
27 KiB
C
/*
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* 86Box A hypervisor and IBM PC system emulator that specializes in
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* running old operating systems and software designed for IBM
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* PC systems and compatibles from 1981 through fairly recent
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* system designs based on the PCI bus.
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*
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* This file is part of the 86Box distribution.
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*
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* Emulation of the NCR NGA (K511, K201) video cards.
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*
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*
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*
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* Authors: Sarah Walker, <https://pcem-emulator.co.uk/>
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* Miran Grca, <mgrca8@gmail.com>
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* Fred N. van Kempen, <decwiz@yahoo.com>
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* EngiNerd, <webmaster.crrc@yahoo.it>
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*
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* Copyright 2008-2019 Sarah Walker.
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* Copyright 2016-2019 Miran Grca.
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* Copyright 2017-2019 Fred N. van Kempen.
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* Copyright 2020 EngiNerd.
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*/
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <wchar.h>
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#include <86box/io.h>
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#include <86box/video.h>
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#include <86box/86box.h>
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#include <86box/timer.h>
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#include <86box/mem.h>
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#include <86box/pit.h>
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#include <86box/rom.h>
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#include <86box/device.h>
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#include <86box/vid_cga.h>
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#include <86box/vid_nga.h>
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#include <86box/vid_cga_comp.h>
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#include <86box/plat_unused.h>
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#define CGA_RGB 0
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#define CGA_COMPOSITE 1
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#define COMPOSITE_OLD 0
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#define COMPOSITE_NEW 1
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static video_timings_t timing_nga = { .type = VIDEO_ISA, .write_b = 8, .write_w = 16, .write_l = 32, .read_b = 8, .read_w = 16, .read_l = 32 };
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void
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nga_recalctimings(nga_t *nga)
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{
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double _dispontime;
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double _dispofftime;
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double disptime;
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if (nga->cga.cgamode & 1) {
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disptime = nga->cga.crtc[0] + 1;
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_dispontime = nga->cga.crtc[1];
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} else {
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disptime = (nga->cga.crtc[0] + 1) << 1;
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_dispontime = nga->cga.crtc[1] << 1;
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}
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_dispofftime = disptime - _dispontime;
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_dispontime *= CGACONST / 2;
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_dispofftime *= CGACONST / 2;
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nga->cga.dispontime = (uint64_t) (_dispontime);
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nga->cga.dispofftime = (uint64_t) (_dispofftime);
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}
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void
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nga_out(uint16_t addr, uint8_t val, void *priv)
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{
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nga_t *nga = (nga_t *) priv;
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cga_out(addr, val, &nga->cga);
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}
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uint8_t
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nga_in(uint16_t addr, void *priv)
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{
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nga_t *nga = (nga_t *) priv;
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return cga_in(addr, &nga->cga);
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}
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void
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nga_waitstates(UNUSED(void *priv))
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{
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int ws_array[16] = { 3, 4, 5, 6, 7, 8, 4, 5, 6, 7, 8, 4, 5, 6, 7, 8 };
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int ws;
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ws = ws_array[cycles & 0xf];
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sub_cycles(ws);
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}
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void
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nga_write(uint32_t addr, uint8_t val, void *priv)
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{
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nga_t *nga = (nga_t *) priv;
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int offset;
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/* a8000-affff */
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if (!(addr & 0x10000))
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nga->vram_64k[addr & 0x7FFF] = val;
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/* b8000-bffff */
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else
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nga->cga.vram[addr & 0x7FFF] = val;
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if (nga->cga.snow_enabled) {
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/* recreate snow effect */
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offset = ((timer_get_remaining_u64(&nga->cga.timer) / CGACONST) * 4) & 0xfc;
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nga->cga.charbuffer[offset] = nga->cga.vram[addr & 0x7fff];
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nga->cga.charbuffer[offset | 1] = nga->cga.vram[addr & 0x7fff];
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}
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nga_waitstates(&nga->cga);
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}
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uint8_t
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nga_read(uint32_t addr, void *priv)
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{
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nga_t *nga = (nga_t *) priv;
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int offset;
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uint8_t ret;
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/* a8000-affff */
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if (!(addr & 0x10000))
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ret = nga->vram_64k[addr & 0x7FFF];
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else
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ret = nga->cga.vram[addr & 0x7FFF];
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nga_waitstates(&nga->cga);
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if (nga->cga.snow_enabled) {
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/* recreate snow effect */
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offset = ((timer_get_remaining_u64(&nga->cga.timer) / CGACONST) * 4) & 0xfc;
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nga->cga.charbuffer[offset] = nga->cga.vram[addr & 0x7fff];
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nga->cga.charbuffer[offset | 1] = nga->cga.vram[addr & 0x7fff];
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}
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return ret;
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}
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void
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nga_poll(void *priv)
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{
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nga_t *nga = (nga_t *) priv;
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/* set cursor position in memory */
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uint16_t ca = (nga->cga.crtc[15] | (nga->cga.crtc[14] << 8)) & 0x3fff;
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int drawcursor;
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int x;
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int c;
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int xs_temp;
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int ys_temp;
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int oldvc;
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uint8_t chr;
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uint8_t attr;
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uint16_t dat;
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uint16_t dat2;
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int cols[4];
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int col;
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int oldsc;
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/* graphic mode and not high-res modes */
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if ((nga->cga.cgamode & 2) && !(nga->cga.cgamode & 0x40)) {
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/* standard cga mode */
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cga_poll(&nga->cga);
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return;
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} else {
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/* high-res or text mode */
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if (!nga->cga.linepos) {
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timer_advance_u64(&nga->cga.timer, nga->cga.dispofftime);
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nga->cga.cgastat |= 1;
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nga->cga.linepos = 1;
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oldsc = nga->cga.sc;
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/* if interlaced */
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if ((nga->cga.crtc[8] & 3) == 3)
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nga->cga.sc = ((nga->cga.sc << 1) + nga->cga.oddeven) & 7;
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if (nga->cga.cgadispon) {
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if (nga->cga.displine < nga->cga.firstline) {
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nga->cga.firstline = nga->cga.displine;
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video_wait_for_buffer();
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}
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nga->cga.lastline = nga->cga.displine;
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/* 80-col */
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if ((nga->cga.cgamode & 1) && !(nga->cga.cgamode & 2)) {
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/* for each text column */
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for (x = 0; x < nga->cga.crtc[1]; x++) {
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/* video output enabled */
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if (nga->cga.cgamode & 8) {
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/* character */
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chr = nga->cga.charbuffer[x << 1];
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/* text attributes */
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attr = nga->cga.charbuffer[(x << 1) + 1];
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} else
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chr = attr = 0;
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/* check if cursor has to be drawn */
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drawcursor = ((nga->cga.ma == ca) && nga->cga.con && nga->cga.cursoron);
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/* set foreground */
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cols[1] = (attr & 15) + 16;
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/* blink active */
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if (nga->cga.cgamode & 0x20) {
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cols[0] = ((attr >> 4) & 7) + 16;
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/* attribute 7 active and not cursor */
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if ((nga->cga.cgablink & 8) && (attr & 0x80) && !nga->cga.drawcursor) {
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/* set blinking */
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cols[1] = cols[0];
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}
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} else {
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/* Set intensity bit */
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cols[0] = (attr >> 4) + 16;
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}
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if (drawcursor) {
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for (c = 0; c < 8; c++)
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buffer32->line[nga->cga.displine][(x << 3) + c + 8] = cols[(fontdatm[chr][((nga->cga.sc & 7) << 1) | nga->lineff] & (1 << (c ^ 7))) ? 1 : 0] ^ 15;
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} else {
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for (c = 0; c < 8; c++)
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buffer32->line[nga->cga.displine][(x << 3) + c + 8] = cols[(fontdatm[chr][((nga->cga.sc & 7) << 1) | nga->lineff] & (1 << (c ^ 7))) ? 1 : 0];
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}
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nga->cga.ma++;
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}
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}
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/* 40-col */
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else if (!(nga->cga.cgamode & 2)) {
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/* for each text column */
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for (x = 0; x < nga->cga.crtc[1]; x++) {
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if (nga->cga.cgamode & 8) {
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chr = nga->cga.vram[((nga->cga.ma << 1) & 0x3fff) + nga->base];
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attr = nga->cga.vram[(((nga->cga.ma << 1) + 1) & 0x3fff) + nga->base];
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} else {
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chr = attr = 0;
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}
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drawcursor = ((nga->cga.ma == ca) && nga->cga.con && nga->cga.cursoron);
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/* set foreground */
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cols[1] = (attr & 15) + 16;
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/* blink active */
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if (nga->cga.cgamode & 0x20) {
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cols[0] = ((attr >> 4) & 7) + 16;
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if ((nga->cga.cgablink & 8) && (attr & 0x80) && !nga->cga.drawcursor) {
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/* set blinking */
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cols[1] = cols[0];
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}
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} else {
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/* Set intensity bit */
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cols[0] = (attr >> 4) + 16;
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}
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if (drawcursor) {
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for (c = 0; c < 8; c++)
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buffer32->line[nga->cga.displine][(x << 4) + (c << 1) + 8] = buffer32->line[nga->cga.displine][(x << 4) + (c << 1) + 1 + 8] = cols[(fontdatm[chr][((nga->cga.sc & 7) << 1) | nga->lineff] & (1 << (c ^ 7))) ? 1 : 0] ^ 15;
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} else {
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for (c = 0; c < 8; c++)
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buffer32->line[nga->cga.displine][(x << 4) + (c << 1) + 8] = buffer32->line[nga->cga.displine][(x << 4) + (c << 1) + 1 + 8] = cols[(fontdatm[chr][((nga->cga.sc & 7) << 1) | nga->lineff] & (1 << (c ^ 7))) ? 1 : 0];
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}
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nga->cga.ma++;
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}
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} else {
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/* high res modes */
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if (nga->cga.cgamode & 0x40) {
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/* 640x400x2 mode */
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if (nga->cga.cgamode & 0x4 || nga->cga.cgamode & 0x10) {
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/*
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* Scanlines are read in the following order:
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* 0b8000-0b9f3f even scans (0,4,...)
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* 0ba000-0bbf3f odd scans (2,6,...)
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* 0bc000-0bdf3f even scans (1,5,...)
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* 0be000-0bff3f odd scans (3,7,...)
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*/
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dat2 = ((nga->cga.sc & 1) * 0x2000) | (nga->lineff * 0x4000);
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cols[0] = 0;
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cols[1] = 15 + 16;
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/* 640x400x4 mode */
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} else {
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cols[0] = (nga->cga.cgacol & 15) | 16;
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col = (nga->cga.cgacol & 16) ? 24 : 16;
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if (nga->cga.cgamode & 4) {
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cols[1] = col | 3; /* Cyan */
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cols[2] = col | 4; /* Red */
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cols[3] = col | 7; /* White */
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} else if (nga->cga.cgacol & 32) {
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cols[1] = col | 3; /* Cyan */
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cols[2] = col | 5; /* Magenta */
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cols[3] = col | 7; /* White */
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} else {
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cols[1] = col | 2; /* Green */
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cols[2] = col | 4; /* Red */
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cols[3] = col | 6; /* Yellow */
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}
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/*
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* Scanlines are read in the following order:
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* 0b8000-0bbf3f even scans (0,4,...)
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* 0bc000-0bff3f odd scans (1,5,...)
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* 0a8000-0abf3f even scans (2,6,...)
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* 0ac000-0aff3f odd scans (3,7,...)
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*/
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dat2 = (nga->cga.sc & 1) * 0x4000;
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}
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} else {
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dat2 = (nga->cga.sc & 1) * 0x2000;
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cols[0] = 0;
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cols[1] = (nga->cga.cgacol & 15) + 16;
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}
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/* for each text column */
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for (x = 0; x < nga->cga.crtc[1]; x++) {
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/* video out */
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if (nga->cga.cgamode & 8) {
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/* 640x400x2 */
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if (nga->cga.cgamode & 0x4 || nga->cga.cgamode & 0x10) {
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/* read two bytes at a time */
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dat = (nga->cga.vram[((nga->cga.ma << 1) & 0x1fff) + dat2] << 8) | nga->cga.vram[((nga->cga.ma << 1) & 0x1fff) + dat2 + 1];
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/* each pixel is represented by one bit, so draw 16 pixels at a time */
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/* crtc[1] is 40 column, so 40x16=640 pixels */
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for (c = 0; c < 16; c++) {
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buffer32->line[nga->cga.displine][(x << 4) + c + 8] = cols[dat >> 15];
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dat <<= 1;
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}
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/* 640x400x4 */
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} else {
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/* lines 2,3,6,7,etc. */
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if (nga->cga.sc & 2)
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/* read two bytes at a time */
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dat = (nga->vram_64k[((nga->cga.ma << 1) & 0x7fff) + dat2] << 8) | nga->vram_64k[((nga->cga.ma << 1) & 0x7fff) + dat2 + 1];
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/* lines 0,1,4,5,etc. */
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else
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/* read two bytes at a time */
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dat = (nga->cga.vram[((nga->cga.ma << 1) & 0x7fff) + dat2] << 8) | nga->cga.vram[((nga->cga.ma << 1) & 0x7fff) + dat2 + 1];
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/* each pixel is represented by two bits, so draw 8 pixels at a time */
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/* crtc[1] is 80 column, so 80x8=640 pixels */
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for (c = 0; c < 8; c++) {
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buffer32->line[nga->cga.displine][(x << 3) + c + 8] = cols[dat >> 14];
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dat <<= 2;
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}
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}
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} else {
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dat = 0;
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}
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nga->cga.ma++;
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}
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}
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} else {
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/* nga specific */
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cols[0] = ((nga->cga.cgamode & 0x12) == 0x12) ? 0 : (nga->cga.cgacol & 15) + 16;
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/* 80-col */
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if (nga->cga.cgamode & 1) {
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hline(buffer32, 0, (nga->cga.displine << 1), ((nga->cga.crtc[1] << 3) + 16) << 2, cols[0]);
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hline(buffer32, 0, (nga->cga.displine << 1) + 1, ((nga->cga.crtc[1] << 3) + 16) << 2, cols[0]);
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} else {
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hline(buffer32, 0, (nga->cga.displine << 1), ((nga->cga.crtc[1] << 4) + 16) << 2, cols[0]);
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hline(buffer32, 0, (nga->cga.displine << 1) + 1, ((nga->cga.crtc[1] << 4) + 16) << 2, cols[0]);
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}
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}
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if (nga->cga.cgamode & 1)
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/* set screen width */
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x = (nga->cga.crtc[1] << 3) + 16;
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else
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x = (nga->cga.crtc[1] << 4) + 16;
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video_process_8(x, nga->cga.displine);
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nga->cga.sc = oldsc;
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/* vertical sync */
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if (nga->cga.vc == nga->cga.crtc[7] && !nga->cga.sc)
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nga->cga.cgastat |= 8;
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nga->cga.displine++;
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if (nga->cga.displine >= 720)
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nga->cga.displine = 0;
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} else {
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timer_advance_u64(&nga->cga.timer, nga->cga.dispontime);
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if (nga->cga.cgadispon)
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nga->cga.cgastat &= ~1;
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nga->cga.linepos = 0;
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/* nga specific */
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nga->lineff ^= 1;
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/* text mode or 640x400x2 */
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if (nga->lineff && !((nga->cga.cgamode & 1) && (nga->cga.cgamode & 0x40))) {
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nga->cga.ma = nga->cga.maback;
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/* 640x400x4 */
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} else {
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if (nga->cga.vsynctime) {
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nga->cga.vsynctime--;
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if (!nga->cga.vsynctime)
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nga->cga.cgastat &= ~8;
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}
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/* cursor stop scanline */
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if (nga->cga.sc == (nga->cga.crtc[11] & 31) || ((nga->cga.crtc[8] & 3) == 3 && nga->cga.sc == ((nga->cga.crtc[11] & 31) >> 1))) {
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nga->cga.con = 0;
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nga->cga.coff = 1;
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}
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/* interlaced and max scanline per char reached */
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if ((nga->cga.crtc[8] & 3) == 3 && nga->cga.sc == (nga->cga.crtc[9] >> 1))
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nga->cga.maback = nga->cga.ma;
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if (nga->cga.vadj) {
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nga->cga.sc++;
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nga->cga.sc &= 31;
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nga->cga.ma = nga->cga.maback;
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nga->cga.vadj--;
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if (!nga->cga.vadj) {
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nga->cga.cgadispon = 1;
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/* change start of displayed page (crtc 12-13) */
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nga->cga.ma = nga->cga.maback = (nga->cga.crtc[13] | (nga->cga.crtc[12] << 8)) & 0x7fff;
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nga->cga.sc = 0;
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}
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/* nga specific */
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/* end of character line reached */
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} else if (nga->cga.sc == nga->cga.crtc[9] || ((nga->cga.crtc[8] & 3) == 3 && nga->cga.sc == (nga->cga.crtc[9] >> 1))) {
|
|
nga->cga.maback = nga->cga.ma;
|
|
nga->cga.sc = 0;
|
|
oldvc = nga->cga.vc;
|
|
nga->cga.vc++;
|
|
nga->cga.vc &= 127;
|
|
|
|
/* lines of character displayed */
|
|
if (nga->cga.vc == nga->cga.crtc[6])
|
|
nga->cga.cgadispon = 0;
|
|
|
|
/* total vertical lines */
|
|
if (oldvc == nga->cga.crtc[4]) {
|
|
nga->cga.vc = 0;
|
|
/* adjust vertical lines */
|
|
nga->cga.vadj = nga->cga.crtc[5];
|
|
if (!nga->cga.vadj) {
|
|
nga->cga.cgadispon = 1;
|
|
/* change start of displayed page (crtc 12-13) */
|
|
nga->cga.ma = nga->cga.maback = (nga->cga.crtc[13] | (nga->cga.crtc[12] << 8)) & 0x7fff;
|
|
}
|
|
/* cursor start */
|
|
switch (nga->cga.crtc[10] & 0x60) {
|
|
case 0x20:
|
|
nga->cga.cursoron = 0;
|
|
break;
|
|
case 0x60:
|
|
nga->cga.cursoron = nga->cga.cgablink & 0x10;
|
|
break;
|
|
default:
|
|
nga->cga.cursoron = nga->cga.cgablink & 0x08;
|
|
break;
|
|
}
|
|
}
|
|
/* vertical line position */
|
|
if (nga->cga.vc == nga->cga.crtc[7]) {
|
|
nga->cga.cgadispon = 0;
|
|
nga->cga.displine = 0;
|
|
/* nga specific */
|
|
nga->cga.vsynctime = 16;
|
|
/* vsync pos */
|
|
if (nga->cga.crtc[7]) {
|
|
if (nga->cga.cgamode & 1)
|
|
/* set screen width */
|
|
x = (nga->cga.crtc[1] << 3) + 16;
|
|
else
|
|
x = (nga->cga.crtc[1] << 4) + 16;
|
|
nga->cga.lastline++;
|
|
|
|
xs_temp = x;
|
|
ys_temp = (nga->cga.lastline - nga->cga.firstline);
|
|
|
|
if ((xs_temp > 0) && (ys_temp > 0)) {
|
|
if (xsize < 64)
|
|
xs_temp = 656;
|
|
/* nga specific */
|
|
if (ysize < 32)
|
|
ys_temp = 400;
|
|
if (!enable_overscan)
|
|
xs_temp -= 16;
|
|
|
|
if ((nga->cga.cgamode & 8) && ((xs_temp != xsize) || (ys_temp != ysize) || video_force_resize_get())) {
|
|
xsize = xs_temp;
|
|
ysize = ys_temp;
|
|
set_screen_size(xsize, ysize + (enable_overscan ? 16 : 0));
|
|
|
|
if (video_force_resize_get())
|
|
video_force_resize_set(0);
|
|
}
|
|
/* nga specific */
|
|
if (enable_overscan) {
|
|
video_blit_memtoscreen(0, (nga->cga.firstline - 8),
|
|
xsize, (nga->cga.lastline - nga->cga.firstline) + 16);
|
|
} else {
|
|
video_blit_memtoscreen(8, nga->cga.firstline,
|
|
xsize, (nga->cga.lastline - nga->cga.firstline));
|
|
}
|
|
}
|
|
frames++;
|
|
|
|
video_res_x = xsize;
|
|
video_res_y = ysize;
|
|
/* 80-col */
|
|
if ((nga->cga.cgamode & 1) && !(nga->cga.cgamode & 0x40)) {
|
|
video_res_x /= 8;
|
|
video_res_y /= (nga->cga.crtc[9] + 1) * 2;
|
|
video_bpp = 0;
|
|
/* 40-col */
|
|
} else if (!(nga->cga.cgamode & 2)) {
|
|
video_res_x /= 16;
|
|
video_res_y /= (nga->cga.crtc[9] + 1) * 2;
|
|
video_bpp = 0;
|
|
} else if (nga->cga.cgamode & 0x40) {
|
|
video_res_x /= 8;
|
|
video_res_y /= 2;
|
|
video_bpp = 1;
|
|
}
|
|
}
|
|
nga->cga.firstline = 1000;
|
|
nga->cga.lastline = 0;
|
|
nga->cga.cgablink++;
|
|
nga->cga.oddeven ^= 1;
|
|
}
|
|
} else {
|
|
nga->cga.sc++;
|
|
nga->cga.sc &= 31;
|
|
nga->cga.ma = nga->cga.maback;
|
|
}
|
|
|
|
if (nga->cga.cgadispon)
|
|
nga->cga.cgastat &= ~1;
|
|
|
|
/* enable cursor if its scanline was reached */
|
|
if (nga->cga.sc == (nga->cga.crtc[10] & 31) || ((nga->cga.crtc[8] & 3) == 3 && nga->cga.sc == ((nga->cga.crtc[10] & 31) >> 1)))
|
|
nga->cga.con = 1;
|
|
}
|
|
/* 80-columns */
|
|
if (nga->cga.cgadispon && (nga->cga.cgamode & 1)) {
|
|
/* for each character per line */
|
|
for (x = 0; x < (nga->cga.crtc[1] << 1); x++)
|
|
nga->cga.charbuffer[x] = nga->cga.vram[(((nga->cga.ma << 1) + x) & 0x3fff) + nga->base];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nga_close(void *priv)
|
|
{
|
|
nga_t *nga = (nga_t *) priv;
|
|
free(nga->vram_64k);
|
|
free(nga->cga.vram);
|
|
free(nga);
|
|
}
|
|
|
|
void
|
|
nga_speed_changed(void *priv)
|
|
{
|
|
nga_t *nga = (nga_t *) priv;
|
|
|
|
nga_recalctimings(nga);
|
|
}
|
|
|
|
void *
|
|
nga_init(UNUSED(const device_t *info))
|
|
{
|
|
int mem;
|
|
uint8_t charset;
|
|
nga_t *nga = (nga_t *) malloc(sizeof(nga_t));
|
|
|
|
memset(nga, 0x00, sizeof(nga_t));
|
|
video_inform(VIDEO_FLAG_TYPE_CGA, &timing_nga);
|
|
|
|
charset = device_get_config_int("charset");
|
|
|
|
loadfont_ex("roms/video/nga/ncr_nga_35122.bin", 1, 4096 * charset);
|
|
|
|
nga->cga.composite = 0;
|
|
nga->cga.snow_enabled = device_get_config_int("snow_enabled");
|
|
|
|
nga->cga.vram = malloc(0x8000);
|
|
nga->vram_64k = malloc(0x8000);
|
|
|
|
timer_add(&nga->cga.timer, nga_poll, nga, 1);
|
|
mem_mapping_add(&nga->cga.mapping, 0xb8000, 0x8000,
|
|
nga_read, NULL, NULL,
|
|
nga_write, NULL, NULL, NULL, 0, nga);
|
|
|
|
mem = device_get_config_int("memory");
|
|
|
|
if (mem > 32) {
|
|
/* make optional 32KB addessable */
|
|
mem_mapping_add(&nga->mapping_64k, 0xa8000, 0x8000,
|
|
nga_read, NULL, NULL,
|
|
nga_write, NULL, NULL, NULL, 0, nga);
|
|
}
|
|
|
|
io_sethandler(0x03d0, 16, nga_in, NULL, NULL, nga_out, NULL, NULL, nga);
|
|
|
|
overscan_x = overscan_y = 16;
|
|
nga->cga.rgb_type = device_get_config_int("rgb_type");
|
|
cga_palette = (nga->cga.rgb_type << 1);
|
|
cgapal_rebuild();
|
|
|
|
return nga;
|
|
}
|
|
|
|
const device_config_t nga_config[] = {
|
|
// clang-format off
|
|
{
|
|
.name = "rgb_type",
|
|
.description = "RGB type",
|
|
.type = CONFIG_SELECTION,
|
|
.default_string = NULL,
|
|
.default_int = 0,
|
|
.file_filter = NULL,
|
|
.spinner = { 0 },
|
|
.selection = {
|
|
{ .description = "Color", .value = 0 },
|
|
{ .description = "Green Monochrome", .value = 1 },
|
|
{ .description = "Amber Monochrome", .value = 2 },
|
|
{ .description = "Gray Monochrome", .value = 3 },
|
|
{ .description = "Color (no brown)", .value = 4 },
|
|
{ .description = "" }
|
|
},
|
|
.bios = { { 0 } }
|
|
},
|
|
{
|
|
.name = "snow_enabled",
|
|
.description = "Snow emulation",
|
|
.type = CONFIG_BINARY,
|
|
.default_string = NULL,
|
|
.default_int = 1,
|
|
.file_filter = NULL,
|
|
.spinner = { 0 },
|
|
.selection = { { 0 } },
|
|
.bios = { { 0 } }
|
|
},
|
|
{
|
|
.name = "memory",
|
|
.description = "Memory size",
|
|
.type = CONFIG_SELECTION,
|
|
.default_string = NULL,
|
|
.default_int = 64,
|
|
.file_filter = NULL,
|
|
.spinner = { 0 },
|
|
.selection = {
|
|
{ .description = "32 KB", .value = 32 },
|
|
{ .description = "64 KB", .value = 64 },
|
|
{ .description = "" }
|
|
},
|
|
.bios = { { 0 } }
|
|
},
|
|
{
|
|
.name = "charset",
|
|
.description = "Character set",
|
|
.type = CONFIG_SELECTION,
|
|
.default_string = NULL,
|
|
.default_int = 0,
|
|
.file_filter = NULL,
|
|
.spinner = { 0 },
|
|
.selection = {
|
|
{ .description = "U.S. English", .value = 0 },
|
|
{ .description = "Scandinavian", .value = 1 },
|
|
{ .description = "Other languages", .value = 2 },
|
|
{ .description = "E.F. Hutton", .value = 3 },
|
|
{ .description = "" }
|
|
},
|
|
.bios = { { 0 } }
|
|
},
|
|
{ .name = "", .description = "", .type = CONFIG_END }
|
|
// clang-format on
|
|
};
|
|
|
|
const device_t nga_device = {
|
|
.name = "NCR NGA",
|
|
.internal_name = "nga",
|
|
.flags = DEVICE_ISA,
|
|
.local = 0,
|
|
.init = nga_init,
|
|
.close = nga_close,
|
|
.reset = NULL,
|
|
.available = NULL,
|
|
.speed_changed = nga_speed_changed,
|
|
.force_redraw = NULL,
|
|
.config = nga_config
|
|
};
|