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100 lines
2.1 KiB
ArmAsm
100 lines
2.1 KiB
ArmAsm
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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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; Basic tests for 6502.
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;
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; Assembler: Merlin 32
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org $1000
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; Basic operand formats. Show first set as hex, second as decimal,
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; third as sign-extended decimal, fourth as binary.
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lda $01
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lda $0102
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lda $fe
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lda $feff
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lda $01
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lda $0102
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lda $fe
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lda $feff
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lda $01
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lda $0102
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lda $fe
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lda $feff
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lda $01
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lda $0102
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lda $fe
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lda $feff
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jmp :skipdata
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; Now hex/decimal/sdec/binary, each with .dd1/.dd2/.dd3/.dd4
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hex 01010201020301020304
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hex 01010201020301020304
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hex 01010201020301020304
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hex 01010201020301020304
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; bonus round for sdec
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hex fffffefffefdfffefdfc
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:skipdata
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; Convert these to ASCII; requires editing file. The code generator
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; should display some of these as hex.
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lda #$68
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lda $68
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lda: $0068
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lda #$1f
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lda #$20
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lda #$22
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lda #$27
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lda #$7e
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lda #$7f
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lda #$80
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lda #$9f
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lda #$a0
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lda #$a2
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lda #$a7
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lda #$fe
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lda #$ff
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jmp end
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; Continuing with ASCII
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:ascii
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dfb $68
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dfb $80
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dw $6868
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dfb $80
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; Format first set as address, second set as symbol.
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dw :skipdata
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adr :skipdata
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dfb >:skipdata,:skipdata ;format as big-endian address
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dfb :ascii
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dfb >:ascii
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dw :ascii
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adr :ascii
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adrl :ascii
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dfb >:ascii,:ascii ;format as big-endian symbol
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; Merlin 1.0 has trouble with "DFB '{'". Test it and the neighbors.
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dfb '['
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dfb $7b
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dfb $7c
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dfb $7d
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dfb ','
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dfb "["
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dfb $fb
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dfb $fc
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dfb $fd
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dfb ","
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end rts
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