falso
/
perfect_dark
mirror of https://github.com/n64decomp/perfect_dark.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Decompile __osPackReadData

This commit is contained in:
Ryan Dwyer 2021-03-17 18:12:20 +10:00
parent ffbb06f51a
commit b348824653
2 changed files with 29 additions and 57 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
src/include/bss.h
View File

@ -65,7 +65,7 @@ extern OSTime __osCurrentTime;
extern u32 __osBaseCounter;
extern u32 __osViIntrCount;
extern OSMesgQueue __osPiAccessQueue;
extern u32 __osContPifRam;
extern OSPifRam __osContPifRam;
extern u8 __osContLastCmd;
extern u8 __osMaxControllers;
extern u32 __osEepromTimer;

84
src/lib/ultra/io/contreaddata.c
View File

@ -67,59 +67,31 @@ glabel osContGetReadData
/* 4f50c: 27bd0010 */ addiu $sp,$sp,0x10
);
GLOBAL_ASM(
glabel __osPackReadData
/* 4f510: 3c05800a */ lui $a1,%hi(__osContPifRam)
/* 4f514: 24a5c7e0 */ addiu $a1,$a1,%lo(__osContPifRam)
/* 4f518: 3c04800a */ lui $a0,%hi(__osContPifRam)
/* 4f51c: 3c03800a */ lui $v1,%hi(__osContPifRam+0x3c)
/* 4f520: 27bdffe8 */ addiu $sp,$sp,-24
/* 4f524: 00a01025 */ or $v0,$a1,$zero
/* 4f528: 2463c81c */ addiu $v1,$v1,%lo(__osContPifRam+0x3c)
/* 4f52c: 2484c7e0 */ addiu $a0,$a0,%lo(__osContPifRam)
.L0004f530:
/* 4f530: 24840004 */ addiu $a0,$a0,0x4
/* 4f534: 0083082b */ sltu $at,$a0,$v1
/* 4f538: 1420fffd */ bnez $at,.L0004f530
/* 4f53c: ac80fffc */ sw $zero,-0x4($a0)
/* 4f540: 3c04800a */ lui $a0,%hi(__osContLastCmd+0x1)
/* 4f544: 2484c821 */ addiu $a0,$a0,%lo(__osContLastCmd+0x1)
/* 4f548: 908c0000 */ lbu $t4,0x0($a0)
/* 4f54c: 240e0001 */ addiu $t6,$zero,0x1
/* 4f550: 240f00ff */ addiu $t7,$zero,0xff
/* 4f554: 24180001 */ addiu $t8,$zero,0x1
/* 4f558: 24190004 */ addiu $t9,$zero,0x4
/* 4f55c: 24080001 */ addiu $t0,$zero,0x1
/* 4f560: 3409ffff */ dli $t1,0xffff
/* 4f564: 240affff */ addiu $t2,$zero,-1
/* 4f568: 240bffff */ addiu $t3,$zero,-1
/* 4f56c: acae003c */ sw $t6,0x3c($a1)
/* 4f570: a3af000c */ sb $t7,0xc($sp)
/* 4f574: a3b8000d */ sb $t8,0xd($sp)
/* 4f578: a3b9000e */ sb $t9,0xe($sp)
/* 4f57c: a3a8000f */ sb $t0,0xf($sp)
/* 4f580: a7a90010 */ sh $t1,0x10($sp)
/* 4f584: a3aa0012 */ sb $t2,0x12($sp)
/* 4f588: a3ab0013 */ sb $t3,0x13($sp)
/* 4f58c: 1980000e */ blez $t4,.L0004f5c8
/* 4f590: 00001825 */ or $v1,$zero,$zero
/* 4f594: 27a5000c */ addiu $a1,$sp,0xc
/* 4f598: 8ca10000 */ lw $at,0x0($a1)
.L0004f59c:
/* 4f59c: 24630001 */ addiu $v1,$v1,0x1
/* 4f5a0: 24420008 */ addiu $v0,$v0,0x8
/* 4f5a4: a841fff8 */ swl $at,-0x8($v0)
/* 4f5a8: b841fffb */ swr $at,-0x5($v0)
/* 4f5ac: 8cae0004 */ lw $t6,0x4($a1)
/* 4f5b0: a84efffc */ swl $t6,-0x4($v0)
/* 4f5b4: b84effff */ swr $t6,-0x1($v0)
/* 4f5b8: 908f0000 */ lbu $t7,0x0($a0)
/* 4f5bc: 006f082a */ slt $at,$v1,$t7
/* 4f5c0: 5420fff6 */ bnezl $at,.L0004f59c
/* 4f5c4: 8ca10000 */ lw $at,0x0($a1)
.L0004f5c8:
/* 4f5c8: 241800fe */ addiu $t8,$zero,0xfe
/* 4f5cc: a0580000 */ sb $t8,0x0($v0)
/* 4f5d0: 03e00008 */ jr $ra
/* 4f5d4: 27bd0018 */ addiu $sp,$sp,0x18
);
void __osPackReadData(void)
{
u8 *ptr;
__OSContReadFormat readformat;
int i;
ptr = (u8*)&__osContPifRam.ramarray;
for (i = 0; i < ARRLEN(__osContPifRam.ramarray); i++) {
__osContPifRam.ramarray[i] = 0;
}
__osContPifRam.pifstatus = CONT_CMD_EXE;
readformat.dummy = CONT_CMD_NOP;
readformat.txsize = CONT_CMD_READ_BUTTON_TX;
readformat.rxsize = CONT_CMD_READ_BUTTON_RX;
readformat.cmd = CONT_CMD_READ_BUTTON;
readformat.button = -1;
readformat.stick_x = -1;
readformat.stick_y = -1;
for(i=0; i < __osMaxControllers; i++) {
*(__OSContReadFormat*)ptr = readformat;
ptr += sizeof(__OSContReadFormat);
}
*ptr = CONT_CMD_END;
}