ack/mach/m65oo2/libem/ngi.s

31 lines
414 B
ArmAsm

.sect .text; .sect .rom; .sect .data; .sect .bss
.sect .text
.define .ngi
! #bytes in ax
.ngi:
pop bx ! return address
cmp ax,2
jne 1f
pop cx
neg cx
push cx
jmp bx
1:
cmp ax,4
jne 9f
pop dx
pop ax
neg ax
neg dx
sbb ax,0
push dx
push ax
jmp bx
9:
.extern EODDZ
.extern .trp
mov ax,EODDZ
push bx
jmp .trp