Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Initial S3 ViRGE video overlay emulation.

Browse source
This commit is contained in:
TomW 2014-06-13 18:43:25 +01:00
commit f1e1cc0b25
15 changed files with 381 additions and 28 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/vid_svga.h
View file

@ -82,10 +82,13 @@ typedef struct svga_t
int ena;
int x, y;
int xoff, yoff;
int ysize;
uint32_t addr;
} hwcursor, hwcursor_latch;
int v_acc, h_acc;
} hwcursor, hwcursor_latch, overlay, overlay_latch;
int hwcursor_on;
int overlay_on;
void (*render)(struct svga_t *svga);
void (*recalctimings_ex)(struct svga_t *svga);
@ -94,6 +97,8 @@ typedef struct svga_t
uint8_t (*video_in) (uint16_t addr, void *p);
void (*hwcursor_draw)(struct svga_t *svga, int displine);
void (*overlay_draw)(struct svga_t *svga, int displine);
void *p;
} svga_t;
@ -102,13 +107,11 @@ extern int svga_init(svga_t *svga, void *p, int memsize,
void (*recalctimings_ex)(struct svga_t *svga),
uint8_t (*video_in) (uint16_t addr, void *p),
void (*video_out)(uint16_t addr, uint8_t val, void *p),
void (*hwcursor_draw)(struct svga_t *svga, int displine));
void (*hwcursor_draw)(struct svga_t *svga, int displine),
void (*overlay_draw)(struct svga_t *svga, int displine));
extern void svga_recalctimings(svga_t *svga);
extern int svga_hwcursor_on;
extern void (*svga_hwcursor_draw)(int displine);
uint8_t svga_read(uint32_t addr, void *p);
uint16_t svga_readw(uint32_t addr, void *p);
uint32_t svga_readl(uint32_t addr, void *p);