ack/mach/xr17032/libem/com.s

29 lines
388 B
ArmAsm
Raw Normal View History

2024-02-20 03:11:09 +00:00
#
.sect .text; .sect .rom; .sect .data; .sect .bss
/*
* Set complement.
* Stack: ( a size -- ~a )
*/
.sect .text
.define .com
.com:
lw r4, 0(sp) ! r4 = size
addiu sp, sp, 4
mov r5, sp ! r5 points to set
srl r4, r4, 2 ! r4 = word count
1:
lw at, 0(r5)
nor at, zero, at
sw at, 0(r5)
addiu r5, r5, 4
addiu r4, r4, -1
bne r4, zero, 1b
nop
jr ra
nop