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32x: add SR masking in MAME sh2

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@815 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-10-13 21:14:53 +00:00
parent e898de13cd
commit a8b03e2d4d
1 changed files with 9 additions and 6 deletions
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15
cpu/sh2/mame/sh2.c
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@ -855,7 +855,8 @@ INLINE void JSR(UINT32 m)
/* LDC Rm,SR */ /* LDC Rm,SR */
INLINE void LDCSR(UINT32 m) INLINE void LDCSR(UINT32 m)
{ {
sh2->sr = sh2->r[m] & FLAGS; sh2->sr &= ~0xfff;
sh2->sr |= sh2->r[m] & FLAGS;
sh2->test_irq = 1; sh2->test_irq = 1;
} }
@ -875,7 +876,8 @@ INLINE void LDCVBR(UINT32 m)
INLINE void LDCMSR(UINT32 m) INLINE void LDCMSR(UINT32 m)
{ {
sh2->ea = sh2->r[m]; sh2->ea = sh2->r[m];
sh2->sr = RL( sh2->ea ) & FLAGS; sh2->sr &= ~0xfff;
sh2->sr |= RL( sh2->ea ) & FLAGS;
sh2->r[m] += 4; sh2->r[m] += 4;
sh2_icount -= 2; sh2_icount -= 2;
sh2->test_irq = 1; sh2->test_irq = 1;
@ -1461,7 +1463,8 @@ INLINE void RTE(void)
sh2->pc = RL( sh2->ea ); sh2->pc = RL( sh2->ea );
sh2->r[15] += 4; sh2->r[15] += 4;
sh2->ea = sh2->r[15]; sh2->ea = sh2->r[15];
sh2->sr = RL( sh2->ea ) & FLAGS; sh2->sr &= ~0xfff;
sh2->sr |= RL( sh2->ea ) & FLAGS;
sh2->r[15] += 4; sh2->r[15] += 4;
sh2_icount -= 3; sh2_icount -= 3;
sh2->test_irq = 1; sh2->test_irq = 1;
@ -1556,7 +1559,7 @@ INLINE void SLEEP(void)
/* STC SR,Rn */ /* STC SR,Rn */
INLINE void STCSR(UINT32 n) INLINE void STCSR(UINT32 n)
{ {
sh2->r[n] = sh2->sr; sh2->r[n] = sh2->sr & FLAGS;
} }
/* STC GBR,Rn */ /* STC GBR,Rn */
@ -1576,7 +1579,7 @@ INLINE void STCMSR(UINT32 n)
{ {
sh2->r[n] -= 4; sh2->r[n] -= 4;
sh2->ea = sh2->r[n]; sh2->ea = sh2->r[n];
WL( sh2->ea, sh2->sr ); WL( sh2->ea, sh2->sr & FLAGS );
sh2_icount--; sh2_icount--;
} }
@ -1738,7 +1741,7 @@ INLINE void TRAPA(UINT32 i)
sh2->ea = sh2->vbr + imm * 4; sh2->ea = sh2->vbr + imm * 4;
sh2->r[15] -= 4; sh2->r[15] -= 4;
WL( sh2->r[15], sh2->sr ); WL( sh2->r[15], sh2->sr & FLAGS );
sh2->r[15] -= 4; sh2->r[15] -= 4;
WL( sh2->r[15], sh2->pc ); WL( sh2->r[15], sh2->pc );