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.macro FUNC_START name
.text
.globl \name
.globl _\name
\name:
_\name:
.endm
FUNC_START _sbrk
mov r4, r2 // save increment
lrw r3, brkval
ldw r2, (r3) // get next spot
movi r5, 7
addi r2, 7 // round up to 8 bytes
andn r2, r5
addu r4, r2 // save updated pointer
stw r4, (r3)
jmp r15
// brk() could go in here too...
.data
.import _end
brkval: .long _end
FUNC_START _exit
mov r1, r1 // accomodate simulator glitch...
.short 0x5000
br _exit // hard loop here
// 0x5001 - printf
// 0x5002 - scanf
FUNC_START utime
.short 0x5003
jmp r15
.macro stub name value
FUNC_START \name
movi r1, \value
.short 0x50FF
jmp r15
.endm
stub _close 6
stub _lseek 19
stub _open 5
stub _read 3
stub _times 43
stub _unlink 10
stub _write 4
//stub access 33
//stub creat 8
//stub link 9
//stub time 13
//stub profil 98 // movi r6, 2
//stub lprofil 98 // movi r6, 4
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