80486DX2-66/86Box-fork
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Ported the most important patches from PCem.

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This commit is contained in:
TC1995
2020-12-01 21:06:01 +01:00
parent c5f4cda6db
commit 462ff300da
3 changed files with 59 additions and 11 deletions
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4
src/cpu/386_common.c
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@@ -1169,6 +1169,8 @@ enter_smm(int in_hlt)
flushmmucache();
}
oldcpl = 0;
cpu_cur_status &= ~(CPU_STATUS_PMODE | CPU_STATUS_V86);
CPU_BLOCK_END();
@@ -1265,6 +1267,8 @@ leave_smm(void)
nmi_mask = 1;
oldcpl = CPL;
CPU_BLOCK_END();
x386_common_log("CS : seg = %04X, base = %08X, limit = %08X, limit_low = %08X, limit_high = %08X, access = %02X, ar_high = %02X\n",

41
src/video/vid_voodoo_banshee.c
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@@ -2357,11 +2357,11 @@ static uint8_t banshee_pci_read(int func, int addr, void *p)
case 0x1a: ret = 0x00; break;
case 0x1b: ret = 0x00; break;
/*Undocumented, but Voodoo 3 BIOS checks this*/
case 0x2c: ret = 0x1a; break;
case 0x2d: ret = 0x12; break;
case 0x2e: ret = (banshee->type == TYPE_V3_3000) ? 0x3a : 0x30; break;
case 0x2f: ret = 0x00; break;
/*Subsystem vendor ID*/
case 0x2c: ret = banshee->pci_regs[0x2c]; break;
case 0x2d: ret = banshee->pci_regs[0x2d]; break;
case 0x2e: ret = banshee->pci_regs[0x2e]; break;
case 0x2f: ret = banshee->pci_regs[0x2f]; break;
case 0x30: ret = banshee->pci_regs[0x30] & 0x01; break; /*BIOS ROM address*/
case 0x31: ret = 0x00; break;
@@ -2667,6 +2667,37 @@ static void *banshee_init_common(const device_t *info, wchar_t *fn, int has_sgra
banshee->i2c_ddc = i2c_gpio_init("ddc_voodoo_banshee");
banshee->ddc = ddc_init(i2c_gpio_get_bus(banshee->i2c_ddc));
switch (type)
{
case TYPE_BANSHEE:
if (has_sgram) {
banshee->pci_regs[0x2c] = 0x1a;
banshee->pci_regs[0x2d] = 0x12;
banshee->pci_regs[0x2e] = 0x04;
banshee->pci_regs[0x2f] = 0x00;
} else {
banshee->pci_regs[0x2c] = 0x02;
banshee->pci_regs[0x2d] = 0x11;
banshee->pci_regs[0x2e] = 0x17;
banshee->pci_regs[0x2f] = 0x10;
}
break;
case TYPE_V3_2000:
banshee->pci_regs[0x2c] = 0x1a;
banshee->pci_regs[0x2d] = 0x12;
banshee->pci_regs[0x2e] = 0x30;
banshee->pci_regs[0x2f] = 0x00;
break;
case TYPE_V3_3000:
banshee->pci_regs[0x2c] = 0x1a;
banshee->pci_regs[0x2d] = 0x12;
banshee->pci_regs[0x2e] = 0x3a;
banshee->pci_regs[0x2f] = 0x00;
break;
}
video_inform(VIDEO_FLAG_TYPE_SPECIAL, &timing_banshee);
return banshee;

25
src/video/vid_voodoo_banshee_blitter.c
View File

@@ -918,7 +918,7 @@ static void step_line(voodoo_t *voodoo)
}
static void banshee_do_line(voodoo_t *voodoo)
static void banshee_do_line(voodoo_t *voodoo, int draw_last_pixel)
{
clip_t *clip = &voodoo->banshee_blt.clip[(voodoo->banshee_blt.command & COMMAND_CLIP_SEL) ? 1 : 0];
uint8_t rop = voodoo->banshee_blt.command >> 24;
@@ -975,6 +975,15 @@ static void banshee_do_line(voodoo_t *voodoo)
}
}
if (draw_last_pixel)
{
int mask = stipple & (1 << voodoo->banshee_blt.line_bit_pos);
int pattern_trans = (voodoo->banshee_blt.command & COMMAND_TRANS_MONO) ? mask : 1;
if (y >= clip->y_min && y < clip->y_max && x >= clip->x_min && x < clip->x_max && pattern_trans)
PLOT_LINE(voodoo, x, y, rop, mask ? voodoo->banshee_blt.colorFore : voodoo->banshee_blt.colorBack, COLORKEY_32);
}
voodoo->banshee_blt.srcXY = (x & 0xffff) | (y << 16);
voodoo->banshee_blt.srcX = x;
voodoo->banshee_blt.srcY = y;
@@ -1112,8 +1121,12 @@ static void banshee_do_2d_blit(voodoo_t *voodoo, int count, uint32_t data)
banshee_do_rectfill(voodoo);
break;
case COMMAND_CMD_LINE:
banshee_do_line(voodoo, 1);
break;
case COMMAND_CMD_POLYLINE:
banshee_do_line(voodoo);
banshee_do_line(voodoo, 0);
break;
default:
@@ -1386,18 +1399,18 @@ void voodoo_2d_reg_writel(voodoo_t *voodoo, uint32_t addr, uint32_t val)
banshee_do_rectfill(voodoo);
break;
/* case COMMAND_CMD_LINE:
case COMMAND_CMD_LINE:
voodoo->banshee_blt.dstXY = val;
voodoo->banshee_blt.dstX = ((int32_t)(val << 19)) >> 19;
voodoo->banshee_blt.dstY = ((int32_t)(val << 3)) >> 19;
banshee_do_line(voodoo);
break;*/
banshee_do_line(voodoo, 1);
break;
case COMMAND_CMD_POLYLINE:
voodoo->banshee_blt.dstXY = val;
voodoo->banshee_blt.dstX = ((int32_t)(val << 19)) >> 19;
voodoo->banshee_blt.dstY = ((int32_t)(val << 3)) >> 19;
banshee_do_line(voodoo);
banshee_do_line(voodoo, 0);
break;
case COMMAND_CMD_POLYFILL: