ack/mach/m65oo2/libem/adi.s

29 lines
416 B
ArmAsm

.sect .text; .sect .rom; .sect .data; .sect .bss
.define .adi
! #bytes in cx , top of stack in ax
.sect .text
.adi:
pop bx ! return address
cmp cx,2
jne 1f
pop cx
add ax,cx
jmp bx
1:
cmp cx,4
jne 9f
pop dx
pop cx
add ax,cx
pop cx
adc dx,cx
push dx
jmp bx
9:
.extern EODDZ
.extern .trp
mov ax,EODDZ
push bx
jmp .trp