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https://github.com/tebl/RC6502-Apple-1-Replica.git
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49 lines
691 B
Plaintext
49 lines
691 B
Plaintext
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/* Status */
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A000
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/* silence all channels */
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A000:9F
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A000:BF
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A000:DF
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A000:FF
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/* turn on all channels */
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A000:90
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A000:B0
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A000:D0
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A000:F0
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/* example */
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A000:83 // play tone
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A000:12
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A000:90 // 0x90 - ch0 loud
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A000:9F // 0x9f - ch0 lowest
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/* psg */
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A000:80
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A000:0F
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A000:91
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1 POKE -8192,128
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2 POKE -8192,15
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3 POKE -8192,145
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4 GOTO 1
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/* Bridge */
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1 POKE -8192,159
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2 POKE -8192,191
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3 POKE -8192,223
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4 POKE -8192,255
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5 POKE -8192,144
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20 FOR H=0 TO 63
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25 FOR L=128 TO 143
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27 FOR C=0 TO 10
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30 POKE -8192,L
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40 POKE -8192,H
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90 NEXT C
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91 NEXT L
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92 NEXT H
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95 POKE -8192,159
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99 END
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