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Add core option: RAM power up state

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This commit is contained in:
retro-wertz
2018-11-25 21:45:52 +08:00
parent 684106fb3a
commit 9d9c48007d
2 changed files with 27 additions and 1 deletions
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11
src/fceu.c
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@@ -381,6 +381,8 @@ void ResetNES(void)
X6502_Reset();
}
int option_ramstate = 0;
void FCEU_MemoryRand(uint8 *ptr, uint32 size)
{
int x = 0;
@@ -394,7 +396,14 @@ void FCEU_MemoryRand(uint8 *ptr, uint32 size)
*ptr = (x & 1) ? 0x55 : 0xAA; /* F-15 Sity War HISCORE is screwed... */
/* 1942 SCORE/HISCORE is screwed... */
#endif
*ptr = 0xFF;
uint8_t v;
switch (option_ramstate)
{
case 0: v = 0xff; break;
case 1: v = 0x00; break;
case 2: v = (uint8_t)rand(); break;
}
*ptr = v;
x++;
size--;
ptr++;