RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

vdp fifo speed optimization

Browse source
This commit is contained in:
kub 2020-03-14 19:52:27 +01:00
parent 20fafa7127
commit c55a44a88c
5 changed files with 210 additions and 125 deletions
Download patch file Download diff file Expand all files Collapse all files

3
pico/pico_int.h
View file

@ -299,6 +299,8 @@ extern SH2 sh2s[2];
#define PVS_CPUWR (1 << 18) // CPU write blocked by FIFO full
#define PVS_CPURD (1 << 19) // CPU read blocked by FIFO not empty
#define PVS_DMAFILL (1 << 20) // DMA fill is waiting for fill data
#define PVS_DMABG (1 << 21) // background DMA operation is running
#define PVS_FIFORUN (1 << 22) // FIFO is processing
struct PicoVideo
{
@ -858,6 +860,7 @@ unsigned char PicoVideoRead8HV_L(void);
extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **base, unsigned int *mask);
void PicoVideoFIFOSync(int cycles);
int PicoVideoFIFOHint(void);
void PicoVideoFIFOMode(int active, int h40);
int PicoVideoFIFOWrite(int count, int byte_p, unsigned sr_mask, unsigned sr_flags);
void PicoVideoSave(void);
void PicoVideoLoad(void);