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Merge pull request #10 from Oggom/master

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Twinaphex 2014-10-24 10:09:37 +02:00
commit 50c878be30
5 changed files with 10 additions and 7 deletions
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builds/genesis_plus_gx_libretro.dll
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builds/genplus_cube.dol
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15
core/cd_hw/scd.c
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@ -2,7 +2,7 @@
* Genesis Plus
* Mega CD / Sega CD hardware
*
* Copyright (C) 2012-2013 Eke-Eke (Genesis Plus GX)
* Copyright (C) 2012-2014 Eke-Eke (Genesis Plus GX)
*
* Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met:
@ -736,7 +736,7 @@ static void scd_write_byte(unsigned int address, unsigned int data)
scd.regs[0x00].byte.h = (scd.regs[0x00].byte.h & 0x7f) | ((data & 0x04) << 5);
/* clear level 1 interrupt if disabled ("Batman Returns" option menu) */
scd.pending &= ~(data & 0x02);
scd.pending &= 0xfd | (data & 0x02);
/* update IRQ level */
s68k_update_irq((scd.pending & data) >> 1);
@ -1025,7 +1025,7 @@ static void scd_write_word(unsigned int address, unsigned int data)
scd.regs[0x00].byte.h = (scd.regs[0x00].byte.h & 0x7f) | ((data & 0x04) << 5);
/* clear pending level 1 interrupt if disabled ("Batman Returns" option menu) */
scd.pending &= ~(data & 0x02);
scd.pending &= 0xfd | (data & 0x02);
/* update IRQ level */
s68k_update_irq((scd.pending & data) >> 1);
@ -1448,7 +1448,7 @@ int scd_context_load(uint8 *state)
{
int i;
uint16 tmp16;
uint32 tmp32;
uint32 tmp32, int_level;
int bufferptr = 0;
/* internal harware */
@ -1608,9 +1608,9 @@ int scd_context_load(uint8 *state)
load_param(&tmp16, 2);
*(uint16 *)(m68k.memory_map[scd.cartridge.boot].base + 0x72) = tmp16;
/* SUB-CPU internal state */
/* SUB-CPU internal state (NB: IRQ level should remain reseted to prevent spurious interrupt processing when SP register is restored) */
load_param(&s68k.cycles, sizeof(s68k.cycles));
load_param(&s68k.int_level, sizeof(s68k.int_level));
load_param(&int_level, sizeof(s68k.int_level));
load_param(&s68k.stopped, sizeof(s68k.stopped));
/* SUB-CPU registers */
@ -1635,6 +1635,9 @@ int scd_context_load(uint8 *state)
load_param(&tmp32, 4); s68k_set_reg(M68K_REG_USP,tmp32);
load_param(&tmp32, 4); s68k_set_reg(M68K_REG_ISP,tmp32);
/* restore IRQ level */
s68k.int_level = int_level;
/* bootable MD cartridge hardware */
if (scd.cartridge.boot)
{

2
core/cd_hw/scd.h
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@ -2,7 +2,7 @@
* Genesis Plus
* Mega CD / Sega CD hardware
*
* Copyright (C) 2012-2013 Eke-Eke (Genesis Plus GX)
* Copyright (C) 2012-2014 Eke-Eke (Genesis Plus GX)
*
* Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met: