2019-11-13 23:51:19 +00:00
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; Copyright 2018 faddenSoft. All Rights Reserved.
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; See the LICENSE.txt file for distribution terms (Apache 2.0).
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;
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; Assembler: Merlin 32
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absl equ $1029
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absh equ $feed
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zip equ $cd
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biggie equ $123456
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thirty2 equ $12345678
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org $012345
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start ;set this label
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clc
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xce
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; load 8/16/24-bit symbols in different ways
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sep #$30
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mx %11
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lda #zip
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lda #zip+16
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lda #zip+64
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lda #<absh
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lda #>absh
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lda #<absh+64
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lda #>absh+64
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lda #<absl
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lda #>absl
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lda #<absl-64
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lda #>absl-64
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lda #<start
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lda #>start
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lda #^start
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pea absh ;leave as default
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pea start
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pea ^start
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pea biggie
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pea ^biggie
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pea absh ;convert to symbol
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pea start
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pea ^start
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pea biggie
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pea ^biggie
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lda zip+1
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lda: zip+1
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ldal zip+1
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lda absh-1
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ldal absh-1
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lda absh+1
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ldal absh+1
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lda start+1
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ldal start+1
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lda start-1
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ldal start-1
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lda biggie+1
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ldal biggie+1
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lda biggie-1
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ldal biggie-1
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rep #$30
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mx %00
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lda #zip
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lda #zip+16
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lda #zip+64
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lda #<absl
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lda #>absl
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lda #<absl-$1000
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lda #>absl-$1000
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lda #^absl-$1000
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lda #<absh
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lda #>absh
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lda #<absh+$1000
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lda #>absh+$1000
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lda #^absh+$1000
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lda #<start
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lda #>start
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lda #^start
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lda #<biggie ;note: constant, not a label
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lda #>biggie
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lda #^biggie
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bra :skipdata
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; reference 16/24-bit symbol in data statements
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dfb zip
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dfb <absh
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dfb >absh
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dfb <start
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dfb >start
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dfb ^start
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dw zip
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dw <absl
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dw >absl
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dw <absl-$1000
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dw >absl-$1000
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dw <absh
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dw >absh
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dw <absh+$1000
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dw >absh+$1000
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dw <start
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dw >start
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dw ^start
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dw <start+1
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dw >start+1
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dw ^start+1
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dfb >absh ;format as 16-bit big-endian
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dfb <absh
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adr zip
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adr <absh
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adr >absh
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adr <start
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adr >start
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adr ^start
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adrl zip
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adrl <absh
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adrl >absh
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adrl <start-1
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adrl >start-1
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adrl ^start-1
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:skipdata
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lda #$11 ;format as biggie
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mvn biggie,start ;format w/symbols
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mvp start,biggie
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mvn biggie,start ;format as decimal
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mvp start,biggie ;format as binary
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per :skipdata
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brl :forward
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:forward jml nextchunk
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org $1000
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nextchunk
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nop ;leave this as auto-label
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nop ;label this L1000
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nop ;label this L1000_0
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sep #$30
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mx %11
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plataddr equ $3000 ;address only in platform file
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projover equ $3100 ;replaced by proj symbol w/same name, diff addr (no match)
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projalso equ $3200 ;also in project, twice w/different name +/- alpha; low should win
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nosym equ $3300 ;should not match anything
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lda plataddr
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lda projover
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lda projalso
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lda nosym
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2019-11-18 14:07:44 +00:00
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bra next
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2019-11-13 23:51:19 +00:00
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target0 nop
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target1 nop ;point everything here
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target2 nop
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t0 per target0
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per target1
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per target2
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jsr target0
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jsr target1
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jsr target2
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t1a bra target0
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t1b bra target1
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t1c bra target2
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t2a brl target0
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t2b brl target1
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t2c brl target2
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t3a jmp target0
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t3b jmp target1
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t3c jmp target2
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t4a jml target0
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t4b jml target1
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t4c jml target2
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2019-11-18 14:07:44 +00:00
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next
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2019-11-13 23:51:19 +00:00
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jsr t0
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jsr t1a
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jsr t1b
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jsr t1c
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jsr t2a
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jsr t2b
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jsr t2c
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jsr t3a
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jsr t3b
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jsr t3c
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jsr t4a
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jsr t4b
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jsr t4c
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brl :skiphex
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hex 808182838485868788898a8b8c8d8e8f ;add label and comment
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hex 808182838485868788898a8b8c8d8e8f
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hex 808182838485868788898a8b8c8d8e8f
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hex 808182838485868788898a8b8c8d8e8f
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hex 808182838485868788898a8b8c8d8e8f
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hex 808182838485868788898a8b8c8d8e8f
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hex 808182838485868788898a8b8c8d8e8f
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asc 'This is a long string. Put a label and comment '
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asc 'on it to confirm that the label and comment only '
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asc 'appear on the first line. The quick brown fox '
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asc 'jumps over the lazy dogs.'
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:skiphex
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; extract bytes from 32-bit value with short regs
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lda #<thirty2 + 2
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lda #>thirty2 + 768
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lda #^thirty2
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rep #$30
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mx %00
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lda #<thirty2 + 3
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lda #>thirty2 + 1024
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lda #^thirty2
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rts
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