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modify video memory mask and screen updating

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This commit is contained in:
Akamaki
2025-02-28 10:29:17 +09:00
parent 95f12bc206
commit 726ce6c574
1 changed files with 54 additions and 55 deletions
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109
src/video/vid_ps55da2.c
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@@ -50,25 +50,29 @@
#define DA2_FONTROM_PATH_JPAN "roms/video/da2/94X1320.BIN"
#define DA2_FONTROM_PATH_HANT "roms/video/da2/23F2698.BIN"
#define DA2_FONTROM_SIZE 1536 * 1024
#define DA2_FONTROM_SIZE (1536 * 1024)
#define DA2_FONTROM_BASESBCS 0x98000
#define DA2_GAIJIRAM_SBCS 0x34000
#define DA2_GAIJIRAM_SBEX 0x3c000
#define DA2_VM03_BASECHR 0x18000
#define DA2_VM03_BASEEXATTR 0x10000
#define DA2_INVALIDACCESS8 0xff
#define DA2_INVALIDACCESS8 0xffu
#define DA2_INVALIDACCESS16 0xffffu
#define DA2_INVALIDACCESS32 0xffffffffu
#define DA2_MASK_MMIO 0x1ffff
#define DA2_SIZE_VRAM 1024 * 1024 /* 0x100000 */
#define DA2_SIZE_CRAM 4 * 1024 /* 0x1000 */
#define DA2_SIZE_GAIJIRAM 256 * 1024 /* 0x40000 */
#define DA2_MASK_A000 0x1ffff
#define DA2_MASK_CRAM 0xfff
#define DA2_MASK_GAIJIRAM 0x3ffff
#define DA2_PIXELCLOCK 58000000.0
#define DA2_SIZE_VRAM (1024 * 1024) /* 0x100000 */
#define DA2_SIZE_CRAM (4 * 1024) /* 0x1000 */
#define DA2_SIZE_GAIJIRAM (256 * 1024) /* 0x40000 */
#define DA2_MASK_A000 0x1ffff /* 0x1FFFF */
#define DA2_MASK_CRAM 0xfff /* 0xFFF */
#define DA2_MASK_GAIJIRAM 0x3ffff /* 0x3FFFF */
#define DA2_MASK_VRAM 0xfffff /* 0xFFFFF */
#define DA2_MASK_VRAMPLANE 0x1ffff /* 0x1FFFF */
#define DA2_PIXELCLOCK 29000000.0 /* 58 MHz interlaced */
#define DA2_BLT_MEMSIZE 0x100
#define DA2_BLT_REGSIZE 0x40
#define DA2_DEBUG_BLTLOG_SIZE (DA2_BLT_REGSIZE + 1)
#define DA2_DEBUG_BLTLOG_MAX 256 * 1024
#define DA2_DEBUG_BLTLOG_MAX (256 * 1024)
#define DA2_DEBUG_BLT_NEVERUSED 0xfefefefe
#define DA2_DEBUG_BLT_USEDRESET 0xfefefe
#define DA2_DCONFIG_CHARSET_JPAN 0 /* for Code page 932 Japanese */
@@ -253,7 +257,7 @@
#endif
#ifdef ENABLE_DA2_LOG
# define ENABLE_DA2_DEBUGBLT 1
// # define ENABLE_DA2_DEBUGBLT 1
// # define ENABLE_DA2_DEBUGVRAM 1
// # define ENABLE_DA2_DEBUGFULLSCREEN 1
// # define ENABLE_DA2_DEBUGMONWAIT 1
@@ -304,7 +308,6 @@ typedef struct da2_t {
uint32_t decode_mask;
uint32_t vram_max;
uint32_t vram_mask;
uint32_t gdcla[8];
uint32_t gdcinput[8];
@@ -363,13 +366,11 @@ typedef struct da2_t {
// uint32_t cram_display_mask;
/* APA Buffer A0000-BFFFFh (128 KB) */
uint8_t *vram;
/* addr >> 12 = xx000h */
/* xxh */
uint8_t *changedvram;
/* (vram size - 1) >> 3 = 0x1FFFF */
uint32_t vram_display_mask;
// uint32_t write_bank, read_bank;
int fullchange;
void (*render)(struct da2_t *da2);
@@ -454,15 +455,17 @@ typedef struct {
uint32_t
DA2_vram_r(uint32_t addr, da2_t *da2)
{
if (addr & ~da2->vram_mask)
return -1;
if (addr & ~DA2_MASK_VRAM)
return DA2_INVALIDACCESS32;
return da2->vram[addr];
}
/* safety write for internal functions */
void
DA2_vram_w(uint32_t addr, uint8_t val, da2_t *da2)
{
da2->vram[addr & da2->vram_mask] = val;
if (addr & ~DA2_MASK_VRAM)
return;
da2->vram[addr] = val;
return;
}
/* write pixel data with rop (Note: bitmask must be in big endian) */
@@ -472,8 +475,7 @@ DA2_WritePlaneDataWithBitmask(uint32_t destaddr, const uint16_t mask, pixel32 *s
uint32_t writepx[8];
destaddr &= 0xfffffffe; /* align to word address to work bit shift correctly */
// da2_log("DA2_WPDWB addr %x mask %x rop %x shift %d\n", destaddr, mask, da2->bitblt.raster_op, da2->bitblt.bitshift_destr);
da2->changedvram[(da2->vram_display_mask & destaddr) >> 12] = changeframecount;
da2->changedvram[(da2->vram_display_mask & (destaddr + 1)) >> 12] = changeframecount;
da2->changedvram[(DA2_MASK_VRAMPLANE & destaddr) >> 9] = changeframecount;
destaddr <<= 3;
/* read destination data with big endian order */
for (int i = 0; i < 8; i++)
@@ -485,7 +487,6 @@ DA2_WritePlaneDataWithBitmask(uint32_t destaddr, const uint16_t mask, pixel32 *s
DA2_VidSeq32 mask32in;
mask32in.d = (uint32_t) mask;
DA2_VidSeq32 mask32;
mask32.d = 0;
mask32.b[3] = mask32in.b[0];
mask32.b[2] = mask32in.b[1];
mask32.d &= 0xffff0000;
@@ -1395,7 +1396,7 @@ da2_in(uint16_t addr, void *p)
case LS_DATA:
// da2->ioctl[3] = 0x80; /* 3E1h:3 bit 7 color monitor, bit 3 busy(GC) bit 0 busy (IO?) */
if (da2->ioctladdr > 0xf)
return DA2_INVALIDACCESS8;
return DA2_INVALIDACCESS16;
temp = da2->ioctl[da2->ioctladdr];
if (da2->ioctladdr == LS_STATUS) { /* Status register */
if (da2->attrc[LV_COMPATIBILITY] & 0x08) { /* for detecting monitor type and cable wiring */
@@ -1440,7 +1441,7 @@ da2_in(uint16_t addr, void *p)
break;
case LF_DATA:
if (da2->fctladdr > 0x1f)
return DA2_INVALIDACCESS8;
return DA2_INVALIDACCESS16;
temp = da2->fctl[da2->fctladdr];
break;
case LC_INDEX:
@@ -1448,7 +1449,7 @@ da2_in(uint16_t addr, void *p)
break;
case LC_DATA:
if (da2->crtcaddr > 0x1f)
return DA2_INVALIDACCESS8;
return DA2_INVALIDACCESS16;
temp = da2->crtc[da2->crtcaddr];
break;
case LV_PORT:
@@ -1741,14 +1742,13 @@ getfont_ps55dbcs(int32_t code, int32_t line, void *p)
if (code >= 0x8000 && code <= 0x8183)
code -= 0x6000; /* shift for IBM extended characters (I don't know how the real card works.) */
if (code < DA2_FONTROM_SIZE / 72 && fline >= 0 && fline < 24) {
font = da2->mmio.font[code * 72 + fline * 3]; /* 1111 1111 */
font <<= 8; /* 1111 1111 0000 0000 */
font |= da2->mmio.font[code * 72 + fline * 3 + 1] & 0xf0; /* 1111 1111 2222 0000 */
font >>= 1; /* 0111 1111 1222 2000 */
font <<= 4; /* 0111 1111 1222 2000 0000 */
font |= da2->mmio.font[code * 72 + fline * 3 + 1] & 0x0f; /* 0111 1111 1222 2000 2222 */
font <<= 8; /* 0111 1111 1222 2000 2222 0000 0000 */
font |= da2->mmio.font[code * 72 + fline * 3 + 2]; /* 0111 1111 1222 2000 2222 3333 3333 */
font = da2->mmio.font[code * 72 + fline * 3]; /* 0000 0000 0000 0000 0000 0000 1111 1111 */
font <<= 8; /* 0000 0000 0000 0000 1111 1111 0000 0000 */
font |= da2->mmio.font[code * 72 + fline * 3 + 1] & 0xf0; /* 0000 0000 0000 0000 1111 1111 2222 0000 */
font <<= 3; /* 0000 0000 0000 0111 1111 1222 2000 0000 */
font |= da2->mmio.font[code * 72 + fline * 3 + 1] & 0x0f; /* 0000 0000 0000 0111 1111 1222 2000 2222 */
font <<= 8; /* 0000 0111 1111 1222 2000 2222 0000 0000 */
font |= da2->mmio.font[code * 72 + fline * 3 + 2]; /* 0000 0111 1111 1222 2000 2222 3333 3333 */
font <<= 4; /* 0111 1111 1222 2000 2222 3333 3333 0000 */
/* font >>= 1;//put blank at column 1 (and 26) */
} else if (code >= 0xb000 && code <= 0xb75f) {
@@ -1824,7 +1824,7 @@ da2_render_text(da2_t *da2)
// da2_log("\nda2ma: %x, da2sc: %x\n", da2->ma, da2->sc);
for (x = 0; x < da2->hdisp; x += 13) {
chr = da2->cram[(da2->ma) & DA2_MASK_CRAM];
attr = da2->cram[((da2->ma) + 1) & DA2_MASK_CRAM];
attr = da2->cram[(da2->ma + 1) & DA2_MASK_CRAM];
// if(chr!=0x20) da2_log("chr: %x, attr: %x ", chr, attr);
if (da2->attrc[LV_PAS_STATUS_CNTRL] & 0x80) /* IO 3E8h, Index 1Dh */
{ /* --Parse attribute byte in color mode-- */
@@ -1864,7 +1864,7 @@ da2_render_text(da2_t *da2)
/* Stay drawing If the char code is DBCS and not at last column. */
if (chr_wide) {
/* Get high DBCS code from the next video address */
chr_dbcs = da2->cram[((da2->ma) + 2) & da2->vram_display_mask];
chr_dbcs = da2->cram[(da2->ma + 2) & DA2_MASK_CRAM];
chr_dbcs <<= 8;
chr_dbcs |= chr;
/* Get the font pattern */
@@ -1935,7 +1935,7 @@ da2_render_text(da2_t *da2)
da2->ma += 2;
p += 13;
}
da2->ma &= da2->vram_display_mask;
// da2->ma &= DA2_MASK_CRAM;
// da2->writelines++;
}
}
@@ -1959,9 +1959,9 @@ da2_render_textm3(da2_t *da2)
int chr_wide = 0;
// da2_log("\nda2ma: %x, da2sc: %x\n", da2->ma, da2->sc);
for (x = 0; x < da2->hdisp; x += 13) {
chr = DA2_vram_r(DA2_VM03_BASECHR + (da2->ma), da2);
attr = DA2_vram_r(DA2_VM03_BASECHR + (da2->ma) + 1, da2);
extattr = DA2_vram_r(DA2_VM03_BASEEXATTR + (da2->ma) + 1, da2);
chr = DA2_vram_r(DA2_VM03_BASECHR + da2->ma, da2);
attr = DA2_vram_r(DA2_VM03_BASECHR + da2->ma + 1, da2);
extattr = DA2_vram_r(DA2_VM03_BASEEXATTR + da2->ma + 1, da2);
// if(chr!=0x20) da2_log("addr: %x, chr: %x, attr: %x ", (DA2_VM03_BASECHR + da2->ma << 1) & da2->vram_mask, chr, attr);
bg = attr >> 4;
// if (da2->blink) bg &= ~0x8;
@@ -1979,7 +1979,7 @@ da2_render_textm3(da2_t *da2)
/* Stay drawing if the char code is DBCS and not at last column. */
if (chr_wide) {
/* Get high DBCS code from the next video address */
chr_dbcs = DA2_vram_r(DA2_VM03_BASECHR + (da2->ma) + 2, da2);
chr_dbcs = DA2_vram_r(DA2_VM03_BASECHR + da2->ma + 2, da2);
chr_dbcs <<= 8;
chr_dbcs |= chr;
/* Get the font pattern */
@@ -2027,7 +2027,7 @@ da2_render_textm3(da2_t *da2)
da2->ma += 2;
p += 13;
}
da2->ma &= da2->vram_display_mask;
// da2->ma &= DA2_MASK_CRAM;
// da2->writelines++;
}
}
@@ -2035,7 +2035,7 @@ da2_render_textm3(da2_t *da2)
void
da2_render_color_4bpp(da2_t *da2)
{
int changed_offset = da2->ma >> 12;
int changed_offset = da2->ma >> 9;
// da2_log("ma %x cf %x\n", da2->ma, changed_offset);
da2->plane_mask &= 0x0f; /*safety */
@@ -2084,7 +2084,7 @@ da2_render_color_4bpp(da2_t *da2)
void
da2_render_color_8bpp(da2_t *da2)
{
int changed_offset = da2->ma >> 12;
int changed_offset = da2->ma >> 9;
// da2_log("ma %x cf %x\n", da2->ma, changed_offset);
if (da2->changedvram[changed_offset] || da2->changedvram[changed_offset + 1] || da2->fullchange) {
@@ -2255,8 +2255,8 @@ da2_recalctimings(da2_t *da2)
if (da2->dispofftime < TIMER_USEC)
da2->dispofftime = TIMER_USEC;
da2_log("da2 horiz total %i display end %i vidclock %f\n", da2->crtc[0], da2->crtc[1], da2->clock);
// da2_log("da2 vert total %i display end %i max row %i vsync %i\n",da2->vtotal,da2->dispend,(da2->crtc[9]&31)+1,da2->vsyncstart);
// da2_log("total %f on %i cycles off %i cycles frame %i sec %i\n",disptime*crtcconst,da2->dispontime,da2->dispofftime,(da2->dispontime+da2->dispofftime)*da2->vtotal,(da2->dispontime+da2->dispofftime)*da2->vtotal*70);
da2_log("da2 vert total %i display end %i max row %i vsync %i\n",da2->vtotal,da2->dispend,(da2->crtc[9]&31)+1,da2->vsyncstart);
da2_log("total %f on %i cycles off %i cycles frame %i sec %i\n",disptime*crtcconst,da2->dispontime,da2->dispofftime,(da2->dispontime+da2->dispofftime)*da2->vtotal,(da2->dispontime+da2->dispofftime)*da2->vtotal*70);
// da2_log("da2->render %08X\n", da2->render);
}
@@ -2580,7 +2580,7 @@ da2_mmio_write(uint32_t addr, uint8_t val, void *p)
cycles -= video_timing_write_b;
da2->changedvram[addr >> 12] = changeframecount;
da2->changedvram[addr >> 9] = changeframecount;/* 0x1FFFF -> 0x1F */
addr <<= 3;
for (int i = 0; i < 8; i++)
@@ -2694,8 +2694,8 @@ da2_mmio_gc_writeW(uint32_t addr, uint16_t val, void *p)
// da2_log("da2_gcW m%d a%x d%x\n", da2->writemode, addr, val);
// da2_log("da2_gcW %05X %02X %04X:%04X esdi %04X:%04X dssi %04X:%04X\n", addr, val, cs >> 4, cpu_state.pc, ES, DI, DS, SI);
da2->changedvram[addr >> 12] = changeframecount;
da2->changedvram[(addr + 1) >> 12] = changeframecount;
da2->changedvram[addr >> 9] = changeframecount;
// da2->changedvram[(addr + 1) >> 12] = changeframecount;
addr <<= 3;
for (int i = 0; i < 8; i++)
@@ -2948,7 +2948,7 @@ da2_poll(void *priv)
}
da2->blink++;
for (x = 0; x < ((da2->vram_mask + 1) >> 12); x++) {
for (x = 0; x <= (DA2_MASK_VRAMPLANE >> 9); x++) {
if (da2->changedvram[x])
da2->changedvram[x]--;
}
@@ -3089,7 +3089,7 @@ da2_reset(void *priv)
da2->pos_regs[0] = DA2_POSID_L; /* Adapter Identification Byte (Low byte) */
da2->pos_regs[1] = DA2_POSID_H; /* Adapter Identification Byte (High byte) */
da2->pos_regs[2] = 0x40; /* Bit 7-5: 010=Mono, 100=Color, Bit 0 : Card Enable (they are changed by system software) */
da2->pos_regs[2] = 0x40; /* Bit 7-5: 010=Mono, 100=Color, Bit 0 : Card Enable (set by reference diskette) */
da2->ioctl[LS_CONFIG1] = OldLSI | Page_Two; /* Configuration 1 : DA-II, 1024 KB */
da2->ioctl[LS_CONFIG1] |= ((da2->monitorid & 0x8) << 1); /* Configuration 1 : Monitor ID 3 */
da2->ioctl[LS_CONFIG2] = (da2->monitorid & 0x7); /* Configuration 2: Monitor ID 0-2 */
@@ -3127,11 +3127,10 @@ da2_init(UNUSED(const device_t *info))
da2->dispontime = 1000ull << 32;
da2->dispofftime = 1000ull << 32;
da2->vram = calloc(1, DA2_SIZE_VRAM);
da2->vram_mask = DA2_SIZE_VRAM - 1;
da2->cram = calloc(1, DA2_SIZE_CRAM);
da2->vram_display_mask = DA2_MASK_CRAM;
da2->changedvram = calloc(1, /*(memsize >> 12) << 1*/ DA2_SIZE_VRAM >> 12); /* XX000h */
da2->monitorid = device_get_config_int("montype"); /* Configuration for Monitor ID (aaaa) -> (xxax xxxx, xxxx xaaa) */
da2->monitorid = device_get_config_int("montype");
da2->changedvram = calloc(1, (DA2_MASK_VRAMPLANE + 1) >> 9); /* XX000h */
da2->mmio.charset = device_get_config_int("charset");
da2->mmio.font = malloc(DA2_FONTROM_SIZE);
@@ -3148,7 +3147,7 @@ da2_init(UNUSED(const device_t *info))
}
mca_add(da2_mca_read, da2_mca_write, da2_mca_feedb, da2_mca_reset, da2);
da2->da2const = (uint64_t) ((cpuclock / DA2_PIXELCLOCK) * (float) (1ull << 32));
da2->da2const = (uint64_t) ((cpuclock / DA2_PIXELCLOCK) * (double) (1ull << 32));
memset(da2->bitblt.payload, 0x00, DA2_BLT_MEMSIZE);
memset(da2->bitblt.reg, 0xfe, DA2_BLT_REGSIZE * sizeof(uint32_t)); /* clear memory */
#ifdef ENABLE_DA2_DEBUGBLT
@@ -3172,7 +3171,7 @@ da2_init(UNUSED(const device_t *info))
mem_mapping_disable(&da2->cmapping);
timer_add(&da2->timer, da2_poll, da2, 0);
da2->bitblt.timerspeed = 10 * TIMER_USEC;
da2->bitblt.timerspeed = 10ull * TIMER_USEC;
timer_add(&da2->bitblt.timer, da2_bitblt_dopayload, da2, 0);
return da2;
@@ -3275,7 +3274,7 @@ void
da2_speed_changed(void *p)
{
da2_t *da2 = (da2_t *) p;
da2->da2const = (uint64_t) ((cpuclock / DA2_PIXELCLOCK) * (float) (1ull << 32));
da2->da2const = (uint64_t) ((cpuclock / DA2_PIXELCLOCK) * (double) (1ull << 32));
da2_recalctimings(da2);
}