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|
# PSX SDK System calls file
.text
# Console functions
.global bios_putchar
.global bios_puts
.global printf
.extern __stdio_direction
.extern sio_printf
bios_putchar:
li $9, 0x3c
j 0xa0
nop
bios_puts:
li $9, 0x3e
j 0xa0
nop
printf:
la $9, __stdio_direction
lw $10, 0($9)
beq $10, $0, use_bios_printf
nop
j sio_printf
nop
use_bios_printf:
li $9, 0x3f
j 0xa0
nop
# Memory functions
# These are not used by PSXSDK, and are here just for completeness.
.global InitHeap
.global FlushCache
InitHeap:
li $9, 0x39
j 0xa0
nop
FlushCache:
li $9, 0x44
j 0xa0
nop
# GPU functions
.global GPU_dw
.global mem2vram
.global SendGPU
.global GPU_cw
.global GPU_cwb
.global SendPrimitive
.global GetGPUStatus
GPU_dw:
li $9, 0x46
j 0xa0
nop
mem2vram:
li $9, 0x47
j 0xa0
nop
.global ResetEntryInt
ResetEntryInt:
li $9, 0x18
j 0xb0
nop
# ???
.global GetKernelDate
.global GetKernelRomVersion
.global GetRamSize
GetKernelDate:
li $9, 0xb4
li $4, 0
j 0xa0
nop
GetKernelRomVersion:
li $9, 0xb4
li $4, 2
j 0xa0
nop
GetRamSize:
li $9, 0xb4
li $4, 5
j 0xa0
nop
# Event functions
.global OpenEvent
.global EnableEvent
.global CloseEvent
.global DisableEvent
.global WaitEvent
.global TestEvent
.global DeliverEvent
OpenEvent:
li $9, 0x08
j 0xb0
nop
EnableEvent:
li $9, 0x0c
j 0xb0
nop
CloseEvent:
li $9, 0x09
j 0xb0
nop
DisableEvent:
li $9, 0x0d
j 0xb0
nop
DeliverEvent:
li $9, 0x07
j 0xb0
nop
WaitEvent:
li $9, 0x0a
j 0xb0
nop
TestEvent:
li $9, 0x0b
j 0xb0
nop
# File I/O functions
.global open
.global lseek
.global read
.global write
.global close
.global cd
.global firstfile
.global nextfile
.global rename
.global remove
open:
li $9, 0x32
j 0xb0
nop
lseek:
li $9, 0x33
j 0xb0
nop
read:
li $9, 0x34
j 0xb0
nop
write:
li $9, 0x35
j 0xb0
nop
close:
li $9, 0x36
j 0xb0
nop
cd:
li $9, 0x40
j 0xb0
nop
firstfile:
li $9, 0x42
j 0xb0
nop
nextfile:
li $9, 0x43
j 0xb0
nop
rename:
li $9, 0x44
j 0xb0
nop
remove:
li $9, 0x45
j 0xb0
nop
# Exception / Interrupt functions
.global EnterCriticalSection
.global ExitCriticalSection
.global SysEnqIntRP
.global SysDeqIntRP
EnterCriticalSection:
li $a0, 1
syscall
nop
jr $ra
nop
ExitCriticalSection:
li $a0, 2
syscall
nop
jr $ra
nop
SysEnqIntRP:
li $9, 0x02
j 0xc0
nop
SysDeqIntRP:
li $9, 0x03
j 0xc0
nop
# Filesystem functions
.global _96_init
.global _96_remove
.global _bu_init
_96_init:
li $9, 0x71
j 0xa0
nop
_96_remove:
li $9, 0x72
j 0xa0
nop
_bu_init:
li $9, 0x70
j 0xa0
nop
# Executable loading functions
.global LoadExec
LoadExec:
li $9, 0x51
j 0xa0
nop
# Memory card routines
.global InitCARD
.global StartCARD
.global StopCARD
.global _card_info
.global _card_load
.global _card_auto
.global _card_write
.global _card_read
.global _card_status
.global _new_card
InitCARD:
li $9, 0x4a
j 0xb0
nop
StartCARD:
li $9, 0x4b
j 0xb0
nop
StopCARD:
li $9, 0x4c
j 0xb0
nop
_card_info:
li $9, 0xab
j 0xa0
nop
_card_load:
li $9, 0xac
j 0xa0
nop
_card_auto:
li $9, 0xad
j 0xa0
nop
_card_write:
li $9, 0x4e
j 0xb0
nop
_card_read:
li $9, 0x4f
j 0xb0
nop
_new_card:
li $9, 0x50
j 0xb0
nop
_card_status:
li $9, 0x5c
j 0xb0
nop
# Device functions
.global PrintInstalledDevices
PrintInstalledDevices:
li $9, 0x49
j 0xb0
nop
.global BIOSWarmReboot
BIOSWarmReboot:
li $9, 0xa0
nop
j 0xa0
|
