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vdp, kludge for z80 access

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kub 2020-12-12 17:27:30 +01:00
parent a20300bf1e
commit 1613ec6c30
3 changed files with 28 additions and 27 deletions
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12
pico/pico_int.h
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@ -864,12 +864,12 @@ static __inline void VideoWriteVRAM(u32 a, u16 d)
PICO_INTERNAL_ASM void PicoVideoWrite(unsigned int a,unsigned short d);
PICO_INTERNAL_ASM unsigned int PicoVideoRead(unsigned int a);
unsigned char PicoVideoRead8DataH(void);
unsigned char PicoVideoRead8DataL(void);
unsigned char PicoVideoRead8CtlH(void);
unsigned char PicoVideoRead8CtlL(void);
unsigned char PicoVideoRead8HV_H(void);
unsigned char PicoVideoRead8HV_L(void);
unsigned char PicoVideoRead8DataH(int is_from_z80);
unsigned char PicoVideoRead8DataL(int is_from_z80);
unsigned char PicoVideoRead8CtlH(int is_from_z80);
unsigned char PicoVideoRead8CtlL(int is_from_z80);
unsigned char PicoVideoRead8HV_H(int is_from_z80);
unsigned char PicoVideoRead8HV_L(int is_from_z80);
extern int (*PicoDmaHook)(unsigned int source, int len, unsigned short **base, unsigned int *mask);
void PicoVideoFIFOSync(int cycles);
int PicoVideoFIFOHint(void);