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Merge branch 'master' into vmm

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This commit is contained in:
Alexander Babikov
2025-06-07 12:48:02 +05:00
parent f99d031513 12c51153c8
commit 047b82b61f
3 changed files with 144 additions and 43 deletions
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2
src/include/86box/vid_ega.h
View File

@@ -148,6 +148,8 @@ typedef struct ega_t {
card should not attempt to display anything. */ card should not attempt to display anything. */
void (*render_override)(void *priv); void (*render_override)(void *priv);
void * priv_parent; void * priv_parent;
uint8_t alt_addr; /* 0 for 0x3XX range, 1 for 0x2XX range */
} ega_t; } ega_t;
#endif #endif

2
src/qt/qt_settingsdisplay.cpp
View File

@@ -171,7 +171,7 @@ SettingsDisplay::on_comboBoxVideo_currentIndexChanged(int index)
if (index < 0) if (index < 0)
return; return;
static QRegularExpression voodooRegex("3dfx|voodoo|banshee", QRegularExpression::CaseInsensitiveOption); static QRegularExpression voodooRegex("3dfx|voodoo|banshee|raven", QRegularExpression::CaseInsensitiveOption);
auto curVideoCard_2 = videoCard[1]; auto curVideoCard_2 = videoCard[1];
videoCard[0] = ui->comboBoxVideo->currentData().toInt(); videoCard[0] = ui->comboBoxVideo->currentData().toInt();
if (videoCard[0] == VID_INTERNAL) if (videoCard[0] == VID_INTERNAL)

183
src/video/vid_ega.c
View File

@@ -72,7 +72,7 @@ ega_out(uint16_t addr, uint8_t val, void *priv)
uint8_t gdcmask = (ega_type == EGA_SUPEREGA) ? 0xff : 0x0f; uint8_t gdcmask = (ega_type == EGA_SUPEREGA) ? 0xff : 0x0f;
uint8_t crtcmask = (atype == EGA_SUPEREGA) ? 0xff : 0x1f; uint8_t crtcmask = (atype == EGA_SUPEREGA) ? 0xff : 0x1f;
if (((addr & 0xfff0) == 0x3d0 || (addr & 0xfff0) == 0x3b0) && !(ega->miscout & 1)) if (((((addr & 0xfff0) == 0x3d0) || ((addr & 0xfff0) == 0x2d0)) || (((addr & 0xfff0) == 0x3b0) || ((addr & 0xfff0) == 0x2b0))) && !(ega->miscout & 1))
addr ^= 0x60; addr ^= 0x60;
switch (addr) { switch (addr) {
@@ -94,7 +94,9 @@ ega_out(uint16_t addr, uint8_t val, void *priv)
} }
break; break;
case 0x2c0:
case 0x3c0: case 0x3c0:
case 0x2c1:
case 0x3c1: case 0x3c1:
if (atype == EGA_SUPEREGA) if (atype == EGA_SUPEREGA)
val &= 0x7f; /* Bit 7 indicates the flipflop status (read only) */ val &= 0x7f; /* Bit 7 indicates the flipflop status (read only) */
@@ -108,8 +110,9 @@ ega_out(uint16_t addr, uint8_t val, void *priv)
} else { } else {
if ((ega->attraddr == 0x13) && (ega->attrregs[0x13] != val)) if ((ega->attraddr == 0x13) && (ega->attrregs[0x13] != val))
ega->fullchange = changeframecount; ega->fullchange = changeframecount;
o = ega->attrregs[ega->attraddr & 31]; uint8_t aidx = ega->attraddr & 31;
ega->attrregs[ega->attraddr & 31] = val; o = ega->attrregs[aidx];
ega->attrregs[aidx] = val;
if (ega->attraddr < 16) if (ega->attraddr < 16)
ega->fullchange = changeframecount; ega->fullchange = changeframecount;
int is_attr14 = ega->chipset && (ega->attraddr == 0x14); int is_attr14 = ega->chipset && (ega->attraddr == 0x14);
@@ -139,6 +142,7 @@ ega_out(uint16_t addr, uint8_t val, void *priv)
} }
ega->attrff ^= 1; ega->attrff ^= 1;
break; break;
case 0x2c2:
case 0x3c2: case 0x3c2:
o = ega->miscout; o = ega->miscout;
egaswitchread = (val & 0xc) >> 2; egaswitchread = (val & 0xc) >> 2;
@@ -148,9 +152,15 @@ ega_out(uint16_t addr, uint8_t val, void *priv)
ega->miscout = val; ega->miscout = val;
ega->overscan_color = ega->vres ? pallook16[ega->attrregs[0x11] & 0x0f] : ega->overscan_color = ega->vres ? pallook16[ega->attrregs[0x11] & 0x0f] :
pallook64[ega->attrregs[0x11] & 0x3f]; pallook64[ega->attrregs[0x11] & 0x3f];
io_removehandler(0x03a0, 0x0020, ega_in, NULL, NULL, ega_out, NULL, NULL, ega);
uint16_t base_addr = 0x03a0;
#ifdef EGA_ALT_ADDR_SUPPORT
if (ega->alt_addr == 1)
base_addr = 0x02a0;
#endif
io_removehandler(base_addr, 0x0020, ega_in, NULL, NULL, ega_out, NULL, NULL, ega);
if (!(val & 1)) if (!(val & 1))
io_sethandler(0x03a0, 0x0020, ega_in, NULL, NULL, ega_out, NULL, NULL, ega); io_sethandler(base_addr, 0x0020, ega_in, NULL, NULL, ega_out, NULL, NULL, ega);
ega_recalctimings(ega); ega_recalctimings(ega);
if ((type == EGA_TYPE_COMPAQ) && !(val & 0x02)) if ((type == EGA_TYPE_COMPAQ) && !(val & 0x02))
mem_mapping_disable(&ega->mapping); mem_mapping_disable(&ega->mapping);
@@ -172,9 +182,11 @@ ega_out(uint16_t addr, uint8_t val, void *priv)
break; break;
} }
break; break;
case 0x2c4:
case 0x3c4: case 0x3c4:
ega->seqaddr = val; ega->seqaddr = val;
break; break;
case 0x2c5:
case 0x3c5: case 0x3c5:
o = ega->seqregs[ega->seqaddr & 0xf]; o = ega->seqregs[ega->seqaddr & 0xf];
ega->seqregs[ega->seqaddr & 0xf] = val; ega->seqregs[ega->seqaddr & 0xf] = val;
@@ -201,16 +213,20 @@ ega_out(uint16_t addr, uint8_t val, void *priv)
break; break;
} }
break; break;
case 0x2c6:
case 0x3c6: case 0x3c6:
if (type == EGA_TYPE_COMPAQ) if (type == EGA_TYPE_COMPAQ)
ega->ctl_mode = val; ega->ctl_mode = val;
break; break;
case 0x2ce:
case 0x3ce: case 0x3ce:
ega->gdcaddr = val; ega->gdcaddr = val;
break; break;
case 0x3cf: case 0x2cf:
ega->gdcreg[ega->gdcaddr & gdcmask] = val; case 0x3cf: {
switch (ega->gdcaddr & gdcmask) { uint8_t reg = ega->gdcaddr & gdcmask;
ega->gdcreg[reg] = val;
switch (reg) {
case 2: case 2:
ega->colourcompare = val; ega->colourcompare = val;
break; break;
@@ -264,21 +280,23 @@ ega_out(uint16_t addr, uint8_t val, void *priv)
break; break;
} }
break; break;
}
case 0x2d0:
case 0x3d0: case 0x3d0:
case 0x2d4:
case 0x3d4: case 0x3d4:
if (ega->chipset) ega->crtcreg = ega->chipset ? (val & 0x3f) : val;
ega->crtcreg = val & 0x3f;
else
ega->crtcreg = val;
return; return;
case 0x2d1:
case 0x3d1: case 0x3d1:
case 0x2d5:
case 0x3d5: { case 0x3d5: {
int idx = ega->crtcreg; int idx = ega->crtcreg;
if (ega->chipset) { if (ega->chipset) {
if ((ega->crtcreg < 7) && (ega->crtc[0x11] & 0x80) && !(ega->regs[0xb4] & 0x80)) if ((idx < 7) && (ega->crtc[0x11] & 0x80) && !(ega->regs[0xb4] & 0x80))
return; return;
if ((ega->crtcreg == 7) && (ega->crtc[0x11] & 0x80) && !(ega->regs[0xb4] & 0x80)) if ((idx == 7) && (ega->crtc[0x11] & 0x80) && !(ega->regs[0xb4] & 0x80))
val = (ega->crtc[7] & ~0x10) | (val & 0x10); val = (ega->crtc[7] & ~0x10) | (val & 0x10);
} else { } else {
idx &= crtcmask; idx &= crtcmask;
@@ -322,7 +340,7 @@ ega_in(uint16_t addr, void *priv)
uint8_t gdcmask = (atype == EGA_SUPEREGA) ? 0xff : 0x0f; uint8_t gdcmask = (atype == EGA_SUPEREGA) ? 0xff : 0x0f;
uint8_t crtcmask = (atype == EGA_SUPEREGA) ? 0xff : 0x1f; uint8_t crtcmask = (atype == EGA_SUPEREGA) ? 0xff : 0x1f;
if (((addr & 0xfff0) == 0x3d0 || (addr & 0xfff0) == 0x3b0) && !(ega->miscout & 1)) if (((((addr & 0xfff0) == 0x3d0) || ((addr & 0xfff0) == 0x2d0)) || (((addr & 0xfff0) == 0x3b0) || ((addr & 0xfff0) == 0x2b0))) && !(ega->miscout & 1))
addr ^= 0x60; addr ^= 0x60;
switch (addr) { switch (addr) {
@@ -343,7 +361,9 @@ ega_in(uint16_t addr, void *priv)
} }
break; break;
case 0x2c0:
case 0x3c0: case 0x3c0:
case 0x2c1:
case 0x3c1: case 0x3c1:
if (type == EGA_TYPE_OTHER) { if (type == EGA_TYPE_OTHER) {
int data = (atype == EGA_SUPEREGA) ? (ega->attrff & 1) : (addr & 1); int data = (atype == EGA_SUPEREGA) ? (ega->attrff & 1) : (addr & 1);
@@ -356,9 +376,11 @@ ega_in(uint16_t addr, void *priv)
ret = (ret & 0x3f) | (ega->attrff ? 0x80 : 0x00); ret = (ret & 0x3f) | (ega->attrff ? 0x80 : 0x00);
} }
break; break;
case 0x2c2:
case 0x3c2: case 0x3c2:
ret = (egaswitches & (8 >> egaswitchread)) ? 0x10 : 0x00; ret = (egaswitches & (8 >> egaswitchread)) ? 0x10 : 0x00;
break; break;
case 0x2c4:
case 0x3c4: case 0x3c4:
if (type == EGA_TYPE_OTHER) { if (type == EGA_TYPE_OTHER) {
if (atype == EGA_SUPEREGA) if (atype == EGA_SUPEREGA)
@@ -367,28 +389,34 @@ ega_in(uint16_t addr, void *priv)
ret = ega->seqaddr; ret = ega->seqaddr;
} }
break; break;
case 0x2c5:
case 0x3c5: case 0x3c5:
if (type == EGA_TYPE_OTHER) { if (type == EGA_TYPE_OTHER) {
if ((ega->seqaddr & 0x0f) > 0x04) uint8_t idx = ega->seqaddr & 0xf;
ret = ega->chipset ? ega->seqregs[ega->seqaddr & 0xf] : 0xff; if (idx > 0x04)
ret = ega->chipset ? ega->seqregs[idx] : 0xff;
else else
ret = ega->seqregs[ega->seqaddr & 0xf]; ret = ega->seqregs[idx];
} }
break; break;
case 0x2c6:
case 0x3c6: case 0x3c6:
if (type == EGA_TYPE_COMPAQ) if (type == EGA_TYPE_COMPAQ)
ret = ega->ctl_mode; ret = ega->ctl_mode;
break; break;
case 0x2c8:
case 0x3c8: case 0x3c8:
if (type == EGA_TYPE_OTHER) if (type == EGA_TYPE_OTHER)
ret = 2; ret = 2;
break; break;
case 0x2cc:
case 0x3cc: case 0x3cc:
if (type == EGA_TYPE_OTHER) if (type == EGA_TYPE_OTHER)
ret = ega->miscout; ret = ega->miscout;
break; break;
case 0x2ce:
case 0x3ce: case 0x3ce:
if (ega_type == EGA_TYPE_OTHER) { if (type == EGA_TYPE_OTHER) {
ret = ega->gdcaddr; ret = ega->gdcaddr;
if (atype == EGA_SUPEREGA) { if (atype == EGA_SUPEREGA) {
ret = (ret & 0x0f) | 0xe0; ret = (ret & 0x0f) | 0xe0;
@@ -397,14 +425,16 @@ ega_in(uint16_t addr, void *priv)
} }
} }
break; break;
case 0x2cf:
case 0x3cf: case 0x3cf:
if (type == EGA_TYPE_OTHER) { if (type == EGA_TYPE_OTHER) {
switch (ega->gdcaddr & gdcmask) { uint8_t gidx = ega->gdcaddr & gdcmask;
switch (gidx) {
default: default:
ret = ega->gdcreg[ega->gdcaddr & gdcmask]; ret = ega->gdcreg[gidx];
break; break;
case 0x09 ... 0xf7: case 0x09 ... 0xf7:
ret = ega->chipset ? ega->gdcreg[ega->gdcaddr & gdcmask] : 0xff; ret = ega->chipset ? ega->gdcreg[gidx] : 0xff;
break; break;
case 0xf8: case 0xf8:
ret = ega->la; ret = ega->la;
@@ -421,9 +451,11 @@ ega_in(uint16_t addr, void *priv)
} }
} }
break; break;
case 0x2d0:
case 0x3d0: case 0x3d0:
case 0x2d4:
case 0x3d4: case 0x3d4:
if (ega_type == EGA_TYPE_OTHER) { if (type == EGA_TYPE_OTHER) {
ret = ega->crtcreg; ret = ega->crtcreg;
if (atype == EGA_SUPEREGA) { if (atype == EGA_SUPEREGA) {
ret = (ret & 0x1f) | 0xc0; ret = (ret & 0x1f) | 0xc0;
@@ -432,7 +464,9 @@ ega_in(uint16_t addr, void *priv)
} }
} }
break; break;
case 0x2d1:
case 0x3d1: case 0x3d1:
case 0x2d5:
case 0x3d5: case 0x3d5:
switch (ega->crtcreg & crtcmask) { switch (ega->crtcreg & crtcmask) {
case 0xc: case 0xc:
@@ -467,6 +501,7 @@ ega_in(uint16_t addr, void *priv)
break; break;
} }
break; break;
case 0x2da:
case 0x3da: case 0x3da:
ega->attrff = 0; ega->attrff = 0;
if (type == EGA_TYPE_COMPAQ) { if (type == EGA_TYPE_COMPAQ) {
@@ -527,6 +562,7 @@ ega_recalctimings(ega_t *ega)
double _dispofftime; double _dispofftime;
double disptime; double disptime;
double crtcconst; double crtcconst;
double mdiv = (ega->seqregs[1] & 1) ? 8.0 : 9.0;
ega->vtotal = ega->crtc[6]; ega->vtotal = ega->crtc[6];
ega->dispend = ega->crtc[0x12]; ega->dispend = ega->crtc[0x12];
@@ -580,10 +616,7 @@ ega_recalctimings(ega_t *ega)
else else
crtcconst = (cpuclock / 16872000.0 * (double) (1ULL << 32)); crtcconst = (cpuclock / 16872000.0 * (double) (1ULL << 32));
} }
if (!(ega->seqregs[1] & 1)) crtcconst *= mdiv;
crtcconst *= 9.0;
else
crtcconst *= 8.0;
} else if (ega->eeprom) { } else if (ega->eeprom) {
clksel = ((ega->miscout & 0xc) >> 2) | ((ega->regs[0xbe] & 0x10) ? 4 : 0); clksel = ((ega->miscout & 0xc) >> 2) | ((ega->regs[0xbe] & 0x10) ? 4 : 0);
@@ -605,20 +638,14 @@ ega_recalctimings(ega_t *ega)
crtcconst = (cpuclock / 36000000.0 * (double) (1ULL << 32)); crtcconst = (cpuclock / 36000000.0 * (double) (1ULL << 32));
break; break;
} }
if (!(ega->seqregs[1] & 1)) crtcconst *= mdiv;
crtcconst *= 9.0;
else
crtcconst *= 8.0;
} else { } else {
if (ega->vidclock) if (ega->vidclock)
crtcconst = (ega->seqregs[1] & 1) ? MDACONST : (MDACONST * (9.0 / 8.0)); crtcconst = (ega->seqregs[1] & 1) ? MDACONST : (MDACONST * (9.0 / 8.0));
else else
crtcconst = (ega->seqregs[1] & 1) ? CGACONST : (CGACONST * (9.0 / 8.0)); crtcconst = (ega->seqregs[1] & 1) ? CGACONST : (CGACONST * (9.0 / 8.0));
} }
if (!(ega->seqregs[1] & 1)) ega->dot_clock = crtcconst / mdiv;
ega->dot_clock = crtcconst / 9.0;
else
ega->dot_clock = crtcconst / 8.0;
ega->interlace = 0; ega->interlace = 0;
@@ -631,13 +658,12 @@ ega_recalctimings(ega_t *ega)
ega->hdisp *= (ega->seqregs[1] & 1) ? 16 : 18; ega->hdisp *= (ega->seqregs[1] & 1) ? 16 : 18;
else else
ega->hdisp *= (ega->seqregs[1] & 1) ? 8 : 9; ega->hdisp *= (ega->seqregs[1] & 1) ? 8 : 9;
ega->render = ega_render_text; ega->render = ega_render_text;
ega->hdisp_old = ega->hdisp;
} else { } else {
ega->hdisp *= (ega->seqregs[1] & 8) ? 16 : 8; ega->hdisp *= (ega->seqregs[1] & 8) ? 16 : 8;
ega->render = ega_render_graphics; ega->render = ega_render_graphics;
ega->hdisp_old = ega->hdisp;
} }
ega->hdisp_old = ega->hdisp;
} }
if (ega->chipset) { if (ega->chipset) {
@@ -1464,7 +1490,12 @@ ega_init(ega_t *ega, int monitor_type, int is_mono)
} }
} }
io_sethandler(0x03a0, 0x0020, ega_in, NULL, NULL, ega_out, NULL, NULL, ega); uint16_t base_addr = 0x03a0;
#ifdef EGA_ALT_ADDR_SUPPORT
if (ega->alt_addr == 1)
base_addr = 0x02a0;
#endif
io_sethandler(base_addr, 0x0020, ega_in, NULL, NULL, ega_out, NULL, NULL, ega);
} else { } else {
for (uint16_t c = 0; c < 256; c++) { for (uint16_t c = 0; c < 256; c++) {
pallook64[c] = makecol32(((c >> 2) & 1) * 0xaa, ((c >> 1) & 1) * 0xaa, (c & 1) * 0xaa); pallook64[c] = makecol32(((c >> 2) & 1) * 0xaa, ((c >> 1) & 1) * 0xaa, (c & 1) * 0xaa);
@@ -1619,7 +1650,15 @@ ega_standalone_init(const device_t *info)
mem_mapping_add(&ega->mapping, 0xa0000, 0x20000, ega_read, NULL, NULL, ega_write, NULL, NULL, NULL, MEM_MAPPING_EXTERNAL, ega); mem_mapping_add(&ega->mapping, 0xa0000, 0x20000, ega_read, NULL, NULL, ega_write, NULL, NULL, NULL, MEM_MAPPING_EXTERNAL, ega);
if (ega_type == EGA_TYPE_COMPAQ) if (ega_type == EGA_TYPE_COMPAQ)
mem_mapping_disable(&ega->mapping); mem_mapping_disable(&ega->mapping);
io_sethandler(0x03c0, 0x0020, ega_in, NULL, NULL, ega_out, NULL, NULL, ega); uint16_t addr = 0x03c0;
#ifdef EGA_ALT_ADDR_SUPPORT
if (ega_type == EGA_TYPE_IBM) {
addr = device_get_config_hex16("base");
if (addr == 0x02c0)
ega->alt_addr = 1;
}
#endif
io_sethandler(addr, 0x0020, ega_in, NULL, NULL, ega_out, NULL, NULL, ega);
if (ega->chipset) { if (ega->chipset) {
io_sethandler(0x01ce, 0x0002, ega_in, NULL, NULL, ega_out, NULL, NULL, ega); io_sethandler(0x01ce, 0x0002, ega_in, NULL, NULL, ega_out, NULL, NULL, ega);
@@ -1699,6 +1738,66 @@ ega_speed_changed(void *priv)
0 = Switch closed (ON); 0 = Switch closed (ON);
1 = Switch open (OFF). */ 1 = Switch open (OFF). */
static const device_config_t ega_ibm_config[] = {
// clang-format off
{
.name = "memory",
.description = "Memory size",
.type = CONFIG_SELECTION,
.default_string = NULL,
.default_int = 256,
.file_filter = NULL,
.spinner = { 0 },
.selection = {
{ .description = "32 KB", .value = 32 },
{ .description = "64 KB", .value = 64 },
{ .description = "128 KB", .value = 128 },
{ .description = "256 KB", .value = 256 },
{ .description = "" }
},
.bios = { { 0 } }
},
{
.name = "monitor_type",
.description = "Monitor type",
.type = CONFIG_SELECTION,
.default_string = NULL,
.default_int = 9,
.file_filter = NULL,
.spinner = { 0 },
.selection = {
{ .description = "Monochrome (5151/MDA) (white)", .value = 0x0B | (DISPLAY_WHITE << 4) },
{ .description = "Monochrome (5151/MDA) (green)", .value = 0x0B | (DISPLAY_GREEN << 4) },
{ .description = "Monochrome (5151/MDA) (amber)", .value = 0x0B | (DISPLAY_AMBER << 4) },
{ .description = "Color 40x25 (5153/CGA)", .value = 0x06 },
{ .description = "Color 80x25 (5153/CGA)", .value = 0x07 },
{ .description = "Enhanced Color - Normal Mode (5154/ECD)", .value = 0x08 },
{ .description = "Enhanced Color - Enhanced Mode (5154/ECD)", .value = 0x09 },
{ .description = "" }
},
.bios = { { 0 } }
},
#ifdef EGA_ALT_ADDR_SUPPORT
{
.name = "base",
.description = "Address",
.type = CONFIG_HEX16,
.default_string = NULL,
.default_int = 0x03c0,
.file_filter = NULL,
.spinner = { 0 },
.selection = {
{ .description = "0x3C0", .value = 0x03c0 },
{ .description = "0x2C0", .value = 0x02c0 },
{ .description = "" }
},
.bios = { { 0 } }
},
#endif
{ .name = "", .description = "", .type = CONFIG_END }
// clang-format on
};
static const device_config_t ega_config[] = { static const device_config_t ega_config[] = {
// clang-format off // clang-format off
{ {
@@ -1753,7 +1852,7 @@ const device_t ega_device = {
.available = ega_standalone_available, .available = ega_standalone_available,
.speed_changed = ega_speed_changed, .speed_changed = ega_speed_changed,
.force_redraw = NULL, .force_redraw = NULL,
.config = ega_config .config = ega_ibm_config
}; };
const device_t cpqega_device = { const device_t cpqega_device = {