애플2 중에 유일하게 타이어 인터럽트가 있다고 함.
만일 타이머 인터럽트가 있을 경우 가능한 프로그램 ?
https://atariage.com/forums/topic/234547-issue-with-demo-iie-interrupt-code/
When I typed source into Applewin 1.24.0, CALL 768 brings me no result, no sound.
Source:http://compgroups.net/comp.sys.apple2.programmer/demo-iie-interrupt-code/2174106
*300L
0300- 4C 15 03 JMP $0315
0303- 48 PHA
0304- B1 06 LDA ($06),Y
0306- A2 C4 LDX #$C4
0308- A0 40 LDY #$40
030A- 8D 37 03 STA $0337
030D- 8E 38 03 STX $0338
0310- 68 PLA
0311- 20 36 03 JSR $0336
0314- 60 RTS
0315- A9 C4 LDA #$C4
0317- 85 07 STA $07
0319- A0 19 LDY #$19
031B- 20 03 03 JSR $0303
031E- A9 30 LDA #$30
0320- 8D FE 03 STA $03FE
0323- A9 03 LDA #$03
0325- 8D FF 03 STA $03FF
0328- A0 12 LDY #$12
032A- A9 08 LDA #$08
032C- 20 03 03 JSR $0303
032F- 60 RTS
0330- AD 30 C0 LDA $C030
0333- A5 45 LDA $45
0335- 40 RTI
0336- 4C 00 00 JMP $0000
Is possible to use interrupt?
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