mirror of
https://github.com/tebl/RC6502-Apple-1-Replica.git
synced 2024-11-22 14:31:56 +00:00
49 lines
691 B
Plaintext
49 lines
691 B
Plaintext
|
/* Status */
|
||
|
|
A000
|
||
|
|
|
||
|
|
/* silence all channels */
|
||
|
|
A000:9F
|
||
|
|
A000:BF
|
||
|
|
A000:DF
|
||
|
|
A000:FF
|
||
|
|
|
||
|
|
|
||
|
|
/* turn on all channels */
|
||
|
|
A000:90
|
||
|
|
A000:B0
|
||
|
|
A000:D0
|
||
|
|
A000:F0
|
||
|
|
|
||
|
|
/* example */
|
||
|
|
A000:83 // play tone
|
||
|
|
A000:12
|
||
|
|
A000:90 // 0x90 - ch0 loud
|
||
|
|
A000:9F // 0x9f - ch0 lowest
|
||
|
|
|
||
|
|
/* psg */
|
||
|
|
A000:80
|
||
|
|
A000:0F
|
||
|
|
A000:91
|
||
|
|
|
||
|
|
1 POKE -8192,128
|
||
|
|
2 POKE -8192,15
|
||
|
|
3 POKE -8192,145
|
||
|
|
4 GOTO 1
|
||
|
|
|
||
|
|
/* Bridge */
|
||
|
|
1 POKE -8192,159
|
||
|
|
2 POKE -8192,191
|
||
|
|
3 POKE -8192,223
|
||
|
|
4 POKE -8192,255
|
||
|
|
5 POKE -8192,144
|
||
|
|
20 FOR H=0 TO 63
|
||
|
|
25 FOR L=128 TO 143
|
||
|
|
27 FOR C=0 TO 10
|
||
|
|
30 POKE -8192,L
|
||
|
|
40 POKE -8192,H
|
||
|
|
90 NEXT C
|
||
|
|
91 NEXT L
|
||
|
|
92 NEXT H
|
||
|
|
95 POKE -8192,159
|
||
|
|
99 END
|