mirror of
https://github.com/fadden/6502bench.git
synced 2024-09-11 20:54:37 +00:00
112 lines
2.9 KiB
ArmAsm
112 lines
2.9 KiB
ArmAsm
|
; Copyright 2021 faddenSoft. All Rights Reserved.
|
||
|
; See the LICENSE.txt file for distribution terms (Apache 2.0).
|
||
|
;
|
||
|
; Test address region pre-labels.
|
||
|
;
|
||
|
; Assembler: 64tass
|
||
|
; % tass64 --ascii --case-sensitive --nostart 20260-nested-regions.S
|
||
|
|
||
|
.cpu "6502"
|
||
|
* = $1000
|
||
|
|
||
|
; EDIT: create project symbol with same name as pre-label (pre-label should win)
|
||
|
; FILE-EDIT: change pre-label to match user label
|
||
|
|
||
|
; EDIT: create explicit 2-byte NON_ADDR region here.
|
||
|
START
|
||
|
.word $1000
|
||
|
|
||
|
|
||
|
.logical $1000
|
||
|
; EDIT: create floating address region with pre-label here ($1000)
|
||
|
; (label should not appear because parent is non-addr)
|
||
|
begin bit begin
|
||
|
nop
|
||
|
nop
|
||
|
nop
|
||
|
jmp part2
|
||
|
.here
|
||
|
|
||
|
; EDIT: create fixed address region with pre-label here ($2000)
|
||
|
; (label should not appear because parent is non-addr)
|
||
|
.logical $2000
|
||
|
part2 bit part2
|
||
|
nop
|
||
|
lda _local1
|
||
|
lda _local2
|
||
|
lda _local4 ;this should force global conv
|
||
|
; (don't do _local3 here, or it gets promoted to global and interferes
|
||
|
; with local access to both _local3 and _local 4 later on)
|
||
|
nop
|
||
|
nop
|
||
|
nop
|
||
|
bit _b4_part3
|
||
|
jmp _part3
|
||
|
|
||
|
_local1 .byte $81 ;data item with local label
|
||
|
_local2 .byte $82 ;data item with local label
|
||
|
|
||
|
; EDIT: create floating address region with pre-label here ($3000)
|
||
|
_b4_part3
|
||
|
.logical $3000
|
||
|
_part3 bit _part3 ;NOTE: label must be declared local
|
||
|
nop
|
||
|
lda _local2 ;this should force global conv
|
||
|
lda _local3
|
||
|
lda _local4
|
||
|
nop
|
||
|
nop
|
||
|
nop
|
||
|
bit b4_part4
|
||
|
jmp part4
|
||
|
|
||
|
_local3 .byte $83 ;data item with local label
|
||
|
_local4 .byte $84 ;data item with local label
|
||
|
|
||
|
; the $2000 range ends here; the $3000 floater also ends here
|
||
|
.here
|
||
|
.here
|
||
|
|
||
|
; Stack up multiple pre-labels at same offset.
|
||
|
|
||
|
|
||
|
; EDIT: create fixed address region with pre-label here ($4000)
|
||
|
; (label should not appear)
|
||
|
b4_part4b ;(not accessible)
|
||
|
.logical $4000
|
||
|
; EDIT: create fixed address region with pre-label here ($5000)
|
||
|
b4_part4a
|
||
|
.logical $5000
|
||
|
; EDIT: create fixed address region with pre-label here ($6000)
|
||
|
b4_part4
|
||
|
.logical $6000
|
||
|
part4 bit part4
|
||
|
bit b4_part4
|
||
|
nop
|
||
|
nop
|
||
|
nop
|
||
|
jmp part4a
|
||
|
.here
|
||
|
part4a bit part4a
|
||
|
bit b4_part4a
|
||
|
jsr part4b ;JSR to test code analysis halt
|
||
|
.here
|
||
|
brk ;shouldn't reach here
|
||
|
part4b bit part4b
|
||
|
bit b4_part4b
|
||
|
jmp end
|
||
|
.here
|
||
|
|
||
|
|
||
|
|
||
|
; EDIT: created fixed 3-byte address region
|
||
|
.logical $f000
|
||
|
end
|
||
|
nop
|
||
|
bne past ;BNE operand should be shown as hex value
|
||
|
|
||
|
; EDIT: put actual end here, before the nop
|
||
|
past nop
|
||
|
.here
|
||
|
brk
|