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32x: adjust sh2 cycles again

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MK2 doesn't play it's animations if slave is clocked too slow..
the more we underclock slave, the more often animations get stuck
Why does it need so many cycles?
This commit is contained in:
notaz 2013-07-02 00:43:28 +03:00
parent 986d60fc60
commit 0c720b9144
1 changed files with 5 additions and 3 deletions
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8
pico/pico.h
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@ -212,12 +212,14 @@ extern unsigned short *PicoCramHigh; // pointer to CRAM buff (0x40 shorts), conv
extern void (*PicoPrepareCram)(); // prepares PicoCramHigh for renderer to use
// pico.c (32x)
// multipliers against 68k clock
// multipliers against 68k clock (7670442)
// normally * 3, but effectively slower due to high latencies everywhere
// however using something lower breaks MK2 animations
extern int p32x_msh2_multiplier;
extern int p32x_ssh2_multiplier;
#define SH2_MULTI_SHIFT 10
#define MSH2_MULTI_DEFAULT ((1 << SH2_MULTI_SHIFT) * 21 / 10)
#define SSH2_MULTI_DEFAULT ((1 << SH2_MULTI_SHIFT) * 3 / 2)
#define MSH2_MULTI_DEFAULT ((1 << SH2_MULTI_SHIFT) * 3)
#define SSH2_MULTI_DEFAULT ((1 << SH2_MULTI_SHIFT) * 3)
// 32x/draw.c
void PicoDraw32xSetFrameMode(int is_on, int only_32x);