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Mach32 changes of the day (February 20th, 2025)

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1. Actually fix the LFB access by subtracting the linear base address from the current address when LFB/MMIO is on. This fixes blankness of certain Mach32 drivers on Win3.1x.
2. Apply a minor but important fix to the fonts used by said Win3.1x driver when the dpconfig activates bit 2 without bit 12 set (e.g.: 0x2255), ergo, issuing host data as monochrome without swapping it.
This commit is contained in:
TC1995
2025-02-20 15:35:56 +01:00
parent baae4c15d6
commit 71c9e69456
1 changed files with 35 additions and 35 deletions
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70
src/video/vid_ati_mach8.c
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@@ -336,7 +336,7 @@ mach_accel_start(int cmd_type, int cpu_input, int count, uint32_t mix_dat, uint3
}
if ((dev->accel_bpp == 8) || (dev->accel_bpp == 15) || (dev->accel_bpp == 16) || (dev->accel_bpp == 24))
mach_log("RdMask=%04x, DPCONFIG=%04x, Clipping: l=%d, r=%d, t=%d, b=%d, LineDrawOpt=%04x, BPP=%d, CMDType = %d, offs=%08x, cnt = %d, input = %d, mono_src = %d, frgdsel = %d, d(%d,%d), dstxend = %d, pitch = %d, extcrt = %d, rw = %x, monpattern = %x.\n",
mach_log("RdMask=%04x, DPCONFIG=%04x, Clipping: l=%d, r=%d, t=%d, b=%d, LineDrawOpt=%04x, BPP=%d, CMDType = %d, offs=%08x, cnt = %d, input = %d, mono_src = %d, frgdsel = %d, d(%d,%d), dstxend = %d, pitch = %d, extcrt = %d, rw = %x, monopattern = %x.\n",
dev->accel.rd_mask, mach->accel.dp_config, clip_l, clip_r, clip_t, clip_b, mach->accel.linedraw_opt, dev->accel_bpp, cmd_type, mach->accel.ge_offset, count, cpu_input, mono_src, frgd_sel, dev->accel.cur_x, dev->accel.cur_y,
mach->accel.dest_x_end, dev->ext_pitch, dev->ext_crt_pitch, mach->accel.dp_config & 1, mach->accel.mono_pattern_enable);
@@ -1039,7 +1039,7 @@ mach_accel_start(int cmd_type, int cpu_input, int count, uint32_t mix_dat, uint3
}
break;
case 2:
if (mach->accel.dp_config & 0x1000) {
if ((mach->accel.dp_config & 0x1000) || (mach->accel.dp_config & 0x04)) {
mix = mix_dat >> 0x1f;
mix_dat <<= 1;
} else {
@@ -2185,7 +2185,7 @@ mach_accel_out_pixtrans(svga_t *svga, mach_t *mach, ibm8514_t *dev, uint16_t val
case 0x200: /*16-bit size*/
if (mono_src == 2) {
if ((frgd_sel != 2) && (bkgd_sel != 2)) {
if ((mach->accel.dp_config & 0x1000) && !swap) {
if (((mach->accel.dp_config & 0x1000) && !swap) || swap) {
mach_log("16-bit bus size swap.\n");
val = (val >> 8) | (val << 8);
}
@@ -5184,11 +5184,11 @@ mach32_ap_writeb(uint32_t addr, uint8_t val, void *priv)
mach_t *mach = (mach_t *) priv;
svga_t *svga = &mach->svga;
const ibm8514_t *dev = (ibm8514_t *) svga->dev8514;
uint8_t port_dword = addr & 0xfc;
uint8_t port_dword = (addr - mach->linear_base) & 0xfc;
if (((mach->local_cntl & 0x20) || (mach->pci_cntl_reg & 0x80)) &&
((addr >= ((mach->ap_size << 20) - 0x200)) && (addr < (mach->ap_size << 20)))) {
if (addr & 0x100) {
(((addr - mach->linear_base) >= ((mach->ap_size << 20) - 0x200)) && (addr < (mach->ap_size << 20)))) {
if ((addr - mach->linear_base) & 0x100) {
mach_log("Port WORDB Write=%04x.\n", 0x02ee + (port_dword << 8));
mach_accel_outb(0x02ee + (addr & 1) + (port_dword << 8), val, mach);
} else {
@@ -5199,9 +5199,9 @@ mach32_ap_writeb(uint32_t addr, uint8_t val, void *priv)
mach_log("Linear WORDB Write=%08x, val=%02x, ON=%x, dpconfig=%04x, apsize=%08x.\n",
addr & dev->vram_mask, val, dev->on, mach->accel.dp_config, mach->ap_size << 20);
if (dev->on)
mach32_write_common(addr, val, 1, mach, svga);
mach32_write_common(addr - mach->linear_base, val, 1, mach, svga);
else
svga_write_linear(addr, val, svga);
svga_write_linear(addr - mach->linear_base, val, svga);
}
}
@@ -5211,11 +5211,11 @@ mach32_ap_writew(uint32_t addr, uint16_t val, void *priv)
mach_t *mach = (mach_t *) priv;
svga_t *svga = &mach->svga;
const ibm8514_t *dev = (ibm8514_t *) svga->dev8514;
uint8_t port_dword = addr & 0xfc;
uint8_t port_dword = (addr - mach->linear_base) & 0xfc;
if (((mach->local_cntl & 0x20) || (mach->pci_cntl_reg & 0x80)) &&
((addr >= ((mach->ap_size << 20) - 0x200)) && (addr < (mach->ap_size << 20)))) {
if (addr & 0x100) {
(((addr - mach->linear_base) >= ((mach->ap_size << 20) - 0x200)) && ((addr - mach->linear_base) < (mach->ap_size << 20)))) {
if ((addr - mach->linear_base) & 0x100) {
mach_log("Port WORDW Write=%04x.\n", 0x02ee + (port_dword << 8));
mach_accel_outw(0x02ee + (port_dword << 8), val, mach);
} else {
@@ -5224,11 +5224,11 @@ mach32_ap_writew(uint32_t addr, uint16_t val, void *priv)
}
} else {
mach_log("Linear WORDW Write=%08x, val=%04x, ON=%x, dpconfig=%04x, apsize=%08x.\n",
addr & dev->vram_mask, val, dev->on, mach->accel.dp_config, mach->ap_size << 20);
addr - mach->linear_base, val, dev->on, mach->accel.dp_config, mach->ap_size << 20);
if (dev->on)
mach32_writew_linear(addr, val, mach);
mach32_writew_linear(addr - mach->linear_base, val, mach);
else
svga_writew_linear(addr, val, svga);
svga_writew_linear(addr - mach->linear_base, val, svga);
}
}
@@ -5238,11 +5238,11 @@ mach32_ap_writel(uint32_t addr, uint32_t val, void *priv)
mach_t *mach = (mach_t *) priv;
svga_t *svga = &mach->svga;
const ibm8514_t *dev = (ibm8514_t *) svga->dev8514;
uint8_t port_dword = addr & 0xfc;
uint8_t port_dword = (addr - mach->linear_base) & 0xfc;
if (((mach->local_cntl & 0x20) || (mach->pci_cntl_reg & 0x80)) &&
((addr >= ((mach->ap_size << 20) - 0x200)) && (addr < (mach->ap_size << 20)))) {
if (addr & 0x100) {
(((addr - mach->linear_base) >= ((mach->ap_size << 20) - 0x200)) && ((addr - mach->linear_base) < (mach->ap_size << 20)))) {
if ((addr - mach->linear_base) & 0x100) {
mach_log("Port WORDL Write=%04x.\n", 0x02ee + (port_dword << 8));
mach_accel_outw(0x02ee + (port_dword << 8), val & 0xffff, mach);
mach_accel_outw(0x02ee + (port_dword << 8) + 4, val >> 16, mach);
@@ -5253,11 +5253,11 @@ mach32_ap_writel(uint32_t addr, uint32_t val, void *priv)
}
} else {
mach_log("Linear WORDL Write=%08x, val=%08x, ON=%x, dpconfig=%04x, apsize=%08x.\n",
addr & dev->vram_mask, val, dev->on, mach->accel.dp_config, mach->ap_size << 20);
addr - mach->linear_base, val, dev->on, mach->accel.dp_config, mach->ap_size << 20);
if (dev->on)
mach32_writel_linear(addr, val, mach);
mach32_writel_linear(addr - mach->linear_base, val, mach);
else
svga_writel_linear(addr, val, svga);
svga_writel_linear(addr - mach->linear_base, val, svga);
}
}
@@ -5268,19 +5268,19 @@ mach32_ap_readb(uint32_t addr, void *priv)
svga_t *svga = &mach->svga;
const ibm8514_t *dev = (ibm8514_t *) svga->dev8514;
uint8_t temp;
uint8_t port_dword = addr & 0xfc;
uint8_t port_dword = (addr - mach->linear_base) & 0xfc;
if (((mach->local_cntl & 0x20) || (mach->pci_cntl_reg & 0x80)) &&
((addr >= ((mach->ap_size << 20) - 0x200)) && (addr < (mach->ap_size << 20)))) {
if (addr & 0x100)
(((addr - mach->linear_base) >= ((mach->ap_size << 20) - 0x200)) && ((addr - mach->linear_base) < (mach->ap_size << 20)))) {
if ((addr - mach->linear_base) & 0x100)
temp = mach_accel_inb(0x02ee + (addr & 1) + (port_dword << 8), mach);
else
temp = mach_accel_inb(0x02e8 + (addr & 1) + (port_dword << 8), mach);
} else {
if (dev->on)
temp = mach32_read_common(addr, 1, mach, svga);
temp = mach32_read_common(addr - mach->linear_base, 1, mach, svga);
else
temp = svga_read_linear(addr, svga);
temp = svga_read_linear(addr - mach->linear_base, svga);
mach_log("Linear WORDB Read=%08x, ret=%02x, fast=%d.\n", addr, temp, svga->fast);
}
@@ -5295,19 +5295,19 @@ mach32_ap_readw(uint32_t addr, void *priv)
svga_t *svga = &mach->svga;
const ibm8514_t *dev = (ibm8514_t *) svga->dev8514;
uint16_t temp;
uint8_t port_dword = addr & 0xfc;
uint8_t port_dword = (addr - mach->linear_base) & 0xfc;
if (((mach->local_cntl & 0x20) || (mach->pci_cntl_reg & 0x80)) &&
((addr >= ((mach->ap_size << 20) - 0x200)) && (addr < (mach->ap_size << 20)))) {
if (addr & 0x100)
(((addr - mach->linear_base) >= ((mach->ap_size << 20) - 0x200)) && ((addr - mach->linear_base) < (mach->ap_size << 20)))) {
if ((addr - mach->linear_base) & 0x100)
temp = mach_accel_inw(0x02ee + (port_dword << 8), mach);
else
temp = mach_accel_inw(0x02e8 + (port_dword << 8), mach);
} else {
if (dev->on)
temp = mach32_readw_linear(addr, mach);
temp = mach32_readw_linear(addr - mach->linear_base, mach);
else
temp = svga_readw_linear(addr, svga);
temp = svga_readw_linear(addr - mach->linear_base, svga);
mach_log("Linear WORDW Read=%08x, ret=%04x.\n", addr, temp);
}
@@ -5322,11 +5322,11 @@ mach32_ap_readl(uint32_t addr, void *priv)
svga_t *svga = &mach->svga;
const ibm8514_t *dev = (ibm8514_t *) svga->dev8514;
uint32_t temp;
uint8_t port_dword = addr & 0xfc;
uint8_t port_dword = (addr - mach->linear_base) & 0xfc;
if (((mach->local_cntl & 0x20) || (mach->pci_cntl_reg & 0x80)) &&
((addr >= ((mach->ap_size << 20) - 0x200)) && (addr < (mach->ap_size << 20)))) {
if (addr & 0x100) {
(((addr - mach->linear_base) >= ((mach->ap_size << 20) - 0x200)) && ((addr - mach->linear_base) < (mach->ap_size << 20)))) {
if ((addr - mach->linear_base) & 0x100) {
temp = mach_accel_inw(0x02ee + (port_dword << 8), mach);
temp |= (mach_accel_inw(0x02ee + (port_dword << 8) + 4, mach) << 8);
} else {
@@ -5335,9 +5335,9 @@ mach32_ap_readl(uint32_t addr, void *priv)
}
} else {
if (dev->on)
temp = mach32_readl_linear(addr, mach);
temp = mach32_readl_linear(addr - mach->linear_base, mach);
else
temp = svga_readl_linear(addr, svga);
temp = svga_readl_linear(addr - mach->linear_base, svga);
mach_log("Linear WORDL Read=%08x, ret=%08x, ON%d.\n", addr, temp, dev->on);
}