80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

Committed the vid_svga.c/h changes that I forgot before.

Browse Source
This commit is contained in:
OBattler
2018-03-01 23:05:59 +01:00
parent 9d09c1b405
commit 27c49ad898
2 changed files with 41 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
src/video/vid_svga.c
View File

@@ -11,7 +11,7 @@
* This is intended to be used by another SVGA driver,
* and not as a card in it's own right.
*
* Version: @(#)vid_svga.c 1.0.21 2018/02/24
* Version: @(#)vid_svga.c 1.0.22 2018/03/01
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -1430,6 +1430,27 @@ uint32_t svga_readl(uint32_t addr, void *p)
return *(uint32_t *)&svga->vram[addr & svga->vram_mask];
}
void svga_writeb_linear(uint32_t addr, uint8_t val, void *p)
{
svga_t *svga = (svga_t *)p;
if (!svga->fast)
{
svga_write_linear(addr, val, p);
return;
}
egawrites += 2;
if (svga_output) pclog("Write LFBw %08X %04X\n", addr, val);
addr &= svga->decode_mask;
if (addr >= svga->vram_max)
return;
addr &= svga->vram_mask;
svga->changedvram[addr >> 12] = changeframecount;
*(uint8_t *)&svga->vram[addr] = val;
}
void svga_writew_linear(uint32_t addr, uint16_t val, void *p)
{
svga_t *svga = (svga_t *)p;
@@ -1482,6 +1503,22 @@ void svga_writel_linear(uint32_t addr, uint32_t val, void *p)
*(uint32_t *)&svga->vram[addr] = val;
}
uint8_t svga_readb_linear(uint32_t addr, void *p)
{
svga_t *svga = (svga_t *)p;
if (!svga->fast)
return svga_read_linear(addr, p);
egareads++;
addr &= svga->decode_mask;
if (addr >= svga->vram_max)
return 0xff;
return *(uint8_t *)&svga->vram[addr & svga->vram_mask];
}
uint16_t svga_readw_linear(uint32_t addr, void *p)
{
svga_t *svga = (svga_t *)p;

4
src/video/vid_svga.h
View File

@@ -8,7 +8,7 @@
*
* Generic SVGA handling.
*
* Version: @(#)vid_svga.h 1.0.8 2018/02/24
* Version: @(#)vid_svga.h 1.0.9 2018/03/01
*
* Authors: Sarah Walker, <http://pcem-emulator.co.uk/>
* Miran Grca, <mgrca8@gmail.com>
@@ -172,9 +172,11 @@ void svga_write(uint32_t addr, uint8_t val, void *p);
void svga_writew(uint32_t addr, uint16_t val, void *p);
void svga_writel(uint32_t addr, uint32_t val, void *p);
uint8_t svga_read_linear(uint32_t addr, void *p);
uint8_t svga_readb_linear(uint32_t addr, void *p);
uint16_t svga_readw_linear(uint32_t addr, void *p);
uint32_t svga_readl_linear(uint32_t addr, void *p);
void svga_write_linear(uint32_t addr, uint8_t val, void *p);
void svga_writeb_linear(uint32_t addr, uint8_t val, void *p);
void svga_writew_linear(uint32_t addr, uint16_t val, void *p);
void svga_writel_linear(uint32_t addr, uint32_t val, void *p);