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Fix a few FIFO bugs.

This commit is contained in:
normmatt234 2010-06-23 14:09:35 +00:00
parent 138d14b4bc
commit a81c816841
1 changed files with 4 additions and 4 deletions
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8
desmume/src/FIFO.cpp
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@ -75,7 +75,7 @@ void IPC_FIFOsend(u8 proc, u32 val)
T1WriteWord(MMU.MMU_MEM[proc][0x40], 0x184, cnt_l); T1WriteWord(MMU.MMU_MEM[proc][0x40], 0x184, cnt_l);
T1WriteWord(MMU.MMU_MEM[proc_remote][0x40], 0x184, cnt_r); T1WriteWord(MMU.MMU_MEM[proc_remote][0x40], 0x184, cnt_r);
setIF(proc_remote, ((cnt_l & 0x0400)<<8)); // IRQ18: recv not empty setIF(proc_remote, ((cnt_r & 0x0400)<<8)); // IRQ18: recv not empty
} }
u32 IPC_FIFOrecv(u8 proc) u32 IPC_FIFOrecv(u8 proc)
@ -109,14 +109,14 @@ u32 IPC_FIFOrecv(u8 proc)
if ( ipc_fifo[proc_remote].size == 0 ) // FIFO empty if ( ipc_fifo[proc_remote].size == 0 ) // FIFO empty
{ {
cnt_l |= 0x0100; cnt_l |= 0x0101;
cnt_r |= 0x0001; cnt_r |= 0x0001;
} }
T1WriteWord(MMU.MMU_MEM[proc][0x40], 0x184, cnt_l); T1WriteWord(MMU.MMU_MEM[proc][0x40], 0x184, cnt_l);
T1WriteWord(MMU.MMU_MEM[proc_remote][0x40], 0x184, cnt_r); T1WriteWord(MMU.MMU_MEM[proc_remote][0x40], 0x184, cnt_r);
setIF(proc_remote, ((cnt_l & 0x0004)<<15)); // IRQ17: send empty setIF(proc_remote, ((cnt_r & 0x0004)<<15)); // IRQ17: send empty
return (val); return (val);
} }
@ -133,7 +133,7 @@ void IPC_FIFOcnt(u8 proc, u16 val)
T1WriteWord(MMU.MMU_MEM[proc][0x40], 0x184, (cnt_l & 0x0301) | (val & 0x8404) | 1); T1WriteWord(MMU.MMU_MEM[proc][0x40], 0x184, (cnt_l & 0x0301) | (val & 0x8404) | 1);
T1WriteWord(MMU.MMU_MEM[proc^1][0x40], 0x184, (cnt_r & 0x8407) | 0x100); T1WriteWord(MMU.MMU_MEM[proc^1][0x40], 0x184, (cnt_r & 0x8407) | 0x100);
//MMU.reg_IF[proc^1] |= ((val & 0x0004) << 15); //MMU.reg_IF[proc^1] |= ((val & 0x0004) << 15);
setIF(proc^1, ((val & 0x0004)<<15)); setIF(proc^1, ((cnt_r & 0x0004)<<15));
return; return;
} }