mirror of
https://github.com/fadden/6502bench.git
synced 2024-07-04 01:29:34 +00:00
3637bb964d
Split 2005x-branches-and-banks into two parts, one that stays within the 64K bounds of the 6502, one that puts code in a separate bank.
55 lines
989 B
ArmAsm
55 lines
989 B
ArmAsm
.cpu "65816"
|
|
zero = $00
|
|
longsym = $123456
|
|
|
|
* = $1000
|
|
.as
|
|
.xs
|
|
clc
|
|
xce
|
|
sep #$30
|
|
jml L440000
|
|
|
|
lodat .byte $00
|
|
.byte $01
|
|
.byte $02
|
|
|
|
.logical $440000
|
|
L440000 cmp L440000
|
|
L440004 lda L440000
|
|
lda @w0+(L440000 & $ffff)
|
|
lda zero
|
|
bmi L440004
|
|
per high44
|
|
bne high44
|
|
brl L44FFC0
|
|
|
|
dat44 .word 0+(dat44 & $ffff)
|
|
.long dat44
|
|
|
|
.here
|
|
.logical $44ffc0
|
|
L44FFC0 cmp L44FFC0
|
|
high44 beq _L44FFCB
|
|
bmi L440004
|
|
brl L440004
|
|
|
|
_L44FFCB jml _L2000
|
|
|
|
.here
|
|
.logical $2000
|
|
_L2000 bit _L2000
|
|
pea 0+(dat44 & $ffff)
|
|
pea 0+(dat44 >> 16)
|
|
bne _L200E
|
|
jml [lodat]
|
|
|
|
_L200E nop
|
|
jsr j2
|
|
j2 jsr j2+3
|
|
jsr j2-3
|
|
jsl longsym
|
|
rts
|
|
|
|
.here
|