ack/mach/6500/libem/dvi4.s
1987-01-30 18:41:42 +00:00

25 lines
331 B
ArmAsm

.define Dvi4
.sect .text
.sect .rom
.sect .data
.sect .bss
.sect .text
! This subroutine performs a fourbyte signed division.
! For more details see dvi.s
! The only difference is that zeropage locations are twice as big.
Dvi4:
ldy #1
sty UNSIGN
jsr Div4
lda ARTH+7
ldx ARTH+6
jsr Push
lda ARTH+5
ldx ARTH+4
jmp Push