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Another S3 linear framebuffer bugfix.

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This commit is contained in:
OBattler
2016-11-05 04:19:46 +01:00
parent 436ed9c256
commit c9dbaee3dd
1 changed files with 2 additions and 9 deletions
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11
src/vid_s3.c
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@@ -62,12 +62,6 @@ typedef struct
uint32_t val;
} fifo_entry_t;
typedef union
{
uint32_t dword;
uint8_t bytes[4];
} bar_t;
typedef struct s3_t
{
mem_mapping_t linear_mapping;
@@ -143,8 +137,6 @@ typedef struct s3_t
int blitter_busy;
uint64_t blitter_time;
uint64_t status_time;
bar_t linear_bar;
} s3_t;
void s3_updatemapping();
@@ -1135,6 +1127,7 @@ void s3_updatemapping(s3_t *s3)
svga->linear_base = s3->linear_base;
// pclog("%08X %08X %02X %02X %02X\n", linear_base, linear_size, crtc[0x58], crtc[0x59], crtc[0x5a]);
// pclog("Linear framebuffer at %08X size %08X\n", s3->linear_base, s3->linear_size);
if (s3->linear_base & 0xe0000000)
{
/* If bits 31-29 are not all clear, disable linear base. */
@@ -2209,7 +2202,7 @@ void s3_pci_write(int func, int addr, uint8_t val, void *p)
s3_updatemapping(s3);
break;
case 0x13:
s3->linear_base &= 0xff00ffff;
s3->linear_base &= 0x00ffffff;
s3->linear_base |= (((uint32_t) val) << 24);
s3->linear_base &= ((s3->linear_size - 1) ^ 0xffffffff);
s3_updatemapping(s3);