ack/mach/6500/libem/loi.s
1984-12-17 11:03:13 +00:00

18 lines
323 B
ArmAsm

.define Loi, Lext
! This subroutine performs an indirect load on a word of two bytes.
! Lext is used when the address is already in zeropage.
Loi:
stx ADDR ! address of object (lowbyte)
sta ADDR+1 ! address of object (highbyte)
Lext:
ldy #0
lda (ADDR),y ! get lowbyte
tax
iny
lda (ADDR),y ! get highbyte
rts