80486DX2-66/86Box-fork
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Quitely fixed some TGUI9440 bugs, including the hardware mouse cursor.

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This commit is contained in:
TC1995
2018-01-17 17:39:53 +01:00
parent 7d6b3210d6
commit dd2d751436
1 changed files with 97 additions and 67 deletions
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164
src/video/vid_tgui9440.c
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@@ -96,6 +96,7 @@ typedef struct tgui_t
uint8_t tgui_3d8, tgui_3d9;
int oldmode;
uint8_t oldctrl1;
uint8_t oldctrl2,newctrl2;
uint32_t linear_base, linear_size;
@@ -137,6 +138,18 @@ void tgui_accel_write_fb_b(uint32_t addr, uint8_t val, void *priv);
void tgui_accel_write_fb_w(uint32_t addr, uint16_t val, void *priv);
void tgui_accel_write_fb_l(uint32_t addr, uint32_t val, void *priv);
static void tgui_recalcbanking(tgui_t *tgui)
{
svga_t *svga = &tgui->svga;
svga->write_bank = (tgui->tgui_3d8 & 0x1f) * 65536;
if (svga->gdcreg[0xf] & 1)
svga->read_bank = (tgui->tgui_3d9 & 0x1f) * 65536;
else
svga->read_bank = svga->write_bank;
}
void tgui_out(uint16_t addr, uint8_t val, void *p)
{
tgui_t *tgui = (tgui_t *)p;
@@ -156,19 +169,26 @@ void tgui_out(uint16_t addr, uint8_t val, void *p)
break;
case 0xC:
if (svga->seqregs[0xe] & 0x80)
svga->seqregs[0xc] = val;
svga->seqregs[0xc] = val;
break;
case 0xd:
if (tgui->oldmode)
tgui->oldctrl2 = val;
else
tgui->newctrl2=val;
{
tgui->newctrl2=val;
svga_recalctimings(svga);
}
break;
case 0xE:
svga->seqregs[0xe] = val ^ 2;
svga->write_bank = (svga->seqregs[0xe] & 0xf) * 65536;
if (!(svga->gdcreg[0xf] & 1))
svga->read_bank = svga->write_bank;
if (tgui->oldmode)
tgui->oldctrl1 = val;
else
{
svga->seqregs[0xe] = val ^ 2;
tgui->tgui_3d8 = svga->seqregs[0xe] & 0xf;
tgui_recalcbanking(tgui);
}
return;
}
break;
@@ -197,37 +217,35 @@ void tgui_out(uint16_t addr, uint8_t val, void *p)
}
case 0x3C7: case 0x3C8: case 0x3C9:
tgui->ramdac_state = 0;
break;
break;
case 0x3CF:
switch (svga->gdcaddr & 15)
{
case 0x6:
if (svga->gdcreg[6] != val)
{
svga->gdcreg[6] = val;
tgui_recalcmapping(tgui);
}
return;
case 0x6:
if (svga->gdcreg[6] != val)
{
svga->gdcreg[6] = val;
tgui_recalcmapping(tgui);
}
return;
case 0xE:
svga->gdcreg[0xe] = val ^ 2;
if ((svga->gdcreg[0xf] & 1) == 1)
svga->read_bank = (svga->gdcreg[0xe] & 0xf) * 65536;
tgui->tgui_3d9 = svga->gdcreg[0xe] & 0xf;
tgui_recalcbanking(tgui);
break;
case 0xF:
if (val & 1) svga->read_bank = (svga->gdcreg[0xe] & 0xf) *65536;
else svga->read_bank = (svga->seqregs[0xe] & 0xf) *65536;
svga->write_bank = (svga->seqregs[0xe] & 0xf) * 65536;
svga->gdcreg[0xf] = val;
tgui->tgui_3d9 = svga->gdcreg[0xf] & 0xf;
tgui_recalcbanking(tgui);
break;
}
break;
case 0x3D4:
svga->crtcreg = val & 0x7f;
svga->crtcreg = val & 0x7f;
return;
case 0x3D5:
if (svga->crtcreg <= 0x18)
val &= mask_crtc[svga->crtcreg];
if ((svga->crtcreg < 7) && (svga->crtc[0x11] & 0x80))
return;
if ((svga->crtcreg == 7) && (svga->crtc[0x11] & 0x80))
@@ -244,16 +262,21 @@ void tgui_out(uint16_t addr, uint8_t val, void *p)
}
switch (svga->crtcreg)
{
case 0x21:
if (old != val)
{
case 0x1e:
svga->vram_display_mask = (val & 0x80) ? tgui->vram_mask : 0x3ffff;
break;
case 0x21:
if (old != val)
{
if (!tgui->pci)
{
tgui->linear_base = ((val & 0xf) | ((val >> 2) & 0x30)) << 20;
tgui->linear_size = (val & 0x10) ? 0x200000 : 0x100000;
}
tgui_recalcmapping(tgui);
tgui_recalcmapping(tgui);
}
break;
break;
case 0x40: case 0x41: case 0x42: case 0x43:
@@ -271,21 +294,17 @@ void tgui_out(uint16_t addr, uint8_t val, void *p)
}
return;
case 0x3D8:
tgui->tgui_3d8 = val;
if (svga->gdcreg[0xf] & 4)
{
svga->write_bank = (val & 0x1f) * 65536;
if (!(svga->gdcreg[0xf] & 1))
{
svga->read_bank = (val & 0x1f) * 65536;
}
tgui->tgui_3d8 = val;
tgui_recalcbanking(tgui);
}
return;
case 0x3D9:
tgui->tgui_3d9 = val;
if ((svga->gdcreg[0xf] & 5) == 5)
if (svga->gdcreg[0xf] & 4)
{
svga->read_bank = (val & 0x1F) * 65536;
tgui->tgui_3d9 = val;
tgui_recalcbanking(tgui);
}
return;
@@ -321,6 +340,12 @@ uint8_t tgui_in(uint16_t addr, void *p)
if (tgui->oldmode) return tgui->oldctrl2;
return tgui->newctrl2;
}
if ((svga->seqaddr & 0xf) == 0xe)
{
if (tgui->oldmode)
return tgui->oldctrl1;
}
break;
break;
case 0x3C6:
if (tgui->ramdac_state == 4)
@@ -361,28 +386,23 @@ void tgui_recalctimings(svga_t *svga)
svga->rowoffset <<= 1;
svga->ma_latch <<= 1;
}
if (tgui->oldctrl2 & 0x10) /*I'm not convinced this is the right register for this function*/
svga->lowres=0;
svga->lowres = !(svga->crtc[0x2a] & 0x40);
svga->lowres = !(svga->crtc[0x2a] & 0x40);
if (svga->crtc[0x1e] & 4)
{
svga->vtotal *= 2;
svga->dispend *= 2;
svga->vblankstart *= 2;
svga->vsyncstart *= 2;
svga->split *= 2;
}
if (svga->miscout & 8)
svga->clock = cpuclock / (((tgui->clock_n + 8) * 14318180.0) / ((tgui->clock_m + 2) * (1 << tgui->clock_k)));
if (svga->gdcreg[0xf] & 0x08)
{
svga->clock *= 2;
}
else if (svga->gdcreg[0xf] & 0x40)
{
svga->clock *= 3;
}
svga->interlace = svga->crtc[0x1e] & 4;
if ((tgui->oldctrl2 & 0x10) || (svga->crtc[0x2a] & 0x40))
{
switch (svga->bpp)
@@ -411,7 +431,7 @@ void tgui_recalcmapping(tgui_t *tgui)
{
mem_mapping_disable(&svga->mapping);
mem_mapping_set_addr(&tgui->linear_mapping, tgui->linear_base, tgui->linear_size);
svga->linear_base = tgui->linear_base;
svga->linear_base = tgui->linear_base;
mem_mapping_enable(&tgui->accel_mapping);
}
else
@@ -443,29 +463,39 @@ void tgui_recalcmapping(tgui_t *tgui)
void tgui_hwcursor_draw(svga_t *svga, int displine)
{
int x;
uint32_t dat[2];
int xx;
int offset = svga->hwcursor_latch.x - svga->hwcursor_latch.xoff;
int y_add = enable_overscan ? 16 : 0;
int x_add = enable_overscan ? 8 : 0;
dat[0] = (svga->vram[svga->hwcursor_latch.addr] << 24) | (svga->vram[svga->hwcursor_latch.addr + 1] << 16) | (svga->vram[svga->hwcursor_latch.addr + 2] << 8) | svga->vram[svga->hwcursor_latch.addr + 3];
dat[1] = (svga->vram[svga->hwcursor_latch.addr + 4] << 24) | (svga->vram[svga->hwcursor_latch.addr + 5] << 16) | (svga->vram[svga->hwcursor_latch.addr + 6] << 8) | svga->vram[svga->hwcursor_latch.addr + 7];
for (xx = 0; xx < 32; xx++)
uint8_t cursor_size = (svga->crtc[0x50] & 0x01) ? 64 : 32;
int y_add = (enable_overscan && !suppress_overscan) ? 16 : 0;
int x_add = (enable_overscan && !suppress_overscan) ? 8 : 0;
if (svga->interlace && svga->hwcursor_oddeven)
svga->hwcursor_latch.addr += 8;
for (x = 0; x < cursor_size; x += 32)
{
if (offset >= svga->hwcursor_latch.x)
{
if (!(dat[0] & 0x80000000))
((uint32_t *)buffer32->line[displine + y_add])[offset + 32 + x_add] = (dat[1] & 0x80000000) ? 0xffffff : 0;
else if (dat[1] & 0x80000000)
((uint32_t *)buffer32->line[displine + y_add])[offset + 32 + x_add] ^= 0xffffff;
}
offset++;
dat[0] <<= 1;
dat[1] <<= 1;
dat[0] = (svga->vram[svga->hwcursor_latch.addr] << 24) | (svga->vram[svga->hwcursor_latch.addr + 1] << 16) | (svga->vram[svga->hwcursor_latch.addr + 2] << 8) | svga->vram[svga->hwcursor_latch.addr + 3];
dat[1] = (svga->vram[svga->hwcursor_latch.addr + 4] << 24) | (svga->vram[svga->hwcursor_latch.addr + 5] << 16) | (svga->vram[svga->hwcursor_latch.addr + 6] << 8) | svga->vram[svga->hwcursor_latch.addr + 7];
for (xx = 0; xx < 32; xx++)
{
if (offset >= svga->hwcursor_latch.x)
{
if (!(dat[0] & 0x80000000))
((uint32_t *)buffer32->line[displine + y_add])[offset + 32 + x_add] = (dat[1] & 0x80000000) ? 0xffffff : 0;
else if (dat[1] & 0x80000000)
((uint32_t *)buffer32->line[displine + y_add])[offset + 32 + x_add] ^= 0xffffff;
}
offset++;
dat[0] <<= 1;
dat[1] <<= 1;
}
svga->hwcursor_latch.addr += 8;
}
svga->hwcursor_latch.addr += 8;
if (svga->interlace && !svga->hwcursor_oddeven)
svga->hwcursor_latch.addr += 8;
}
uint8_t tgui_pci_read(int func, int addr, void *p)