This page (revision-69) was last changed on 03-Feb-2023 15:21 by Roland B. Wassenberg 

This page was created on 25-Feb-2014 00:20 by Roland B. Wassenberg

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Version Date Modified Size Author Changes ... Change note
69 03-Feb-2023 15:21 16 KB Roland B. Wassenberg to previous
68 08-Jul-2018 23:55 15 KB Roland B. Wassenberg to previous | to last
67 30-Jun-2018 03:44 15 KB Roland B. Wassenberg to previous | to last
66 30-Jun-2018 03:29 15 KB Roland B. Wassenberg to previous | to last
65 30-Jun-2018 02:48 15 KB Roland B. Wassenberg to previous | to last
64 30-Jun-2018 02:47 15 KB Roland B. Wassenberg to previous | to last
63 30-Jun-2018 01:28 15 KB Roland B. Wassenberg to previous | to last
62 30-Jun-2018 01:24 15 KB Roland B. Wassenberg to previous | to last
61 30-Jun-2018 01:23 15 KB Roland B. Wassenberg to previous | to last

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Difference between version and

At line 18 added 59 lines
Nachweis, dass 16 KiB RAM verwendet werden und kein Bank Switching zum Einsatz kam:
08a3: Kein Kaltstart wenn Öffnen des Editors "E:" schief geht
8881: 45 9B EOR $9B
8883: A2 00 L8883 LDX #$00
8885: A9 03 LDA #$03
8887: 9D 42 03 STA ICCMD,X
888A: A9 81 LDA #$81
888C: 9D 44 03 STA ICBAL,X
888F: A9 88 LDA #$88
8891: 9D 45 03 STA ICBAH,X
8894: A9 0C LDA #$0C
8896: 9D 4A 03 STA ICAX1,X
8899: A9 00 LDA #$00
889B: 9D 4B 03 STA ICAX2,X
889E: 20 56 E4 JSR CIOV
88A1: 10 03 BPL $88A6
88A3: 4C 77 E4 JMP COLDSV => NOP NOP
0d6c: Kein Schreiben von Zufallswerten in den ROM Bereich (Crack-Schutz vor Ausfühung im RAM)
8D59: A9 00 LDA #$00
8D5B: 85 64 STA ADRESS
8D5D: AD 0A D2 LDA RANDOM
8D60: 29 3F AND #$3F
8D62: 09 80 ORA #$80
8D64: 85 65 STA ADRESS+1
8D66: AD 0A D2 LDA RANDOM
8D69: AC 0A D2 LDY RANDOM
8D6C: 91 64 STA (ADRESS),Y => NOP NOP
3f5f: Kein Setzen von VSEROR auf $8838. Ursprünglich Version führt eigene SIO Checksummen vor der Standardroutine Berechnung durch.
BF47: 78 SEI
BF48: AD 0C 02 LDA VSEROR
BF4B: 8D 30 05 STA $0530
BF4E: AD 0D 02 LDA VSEROR+1
BF51: 8D 31 05 STA $0531
BF54: A9 38 LDA #$38
BF56: 8D 0C 02 STA VSEROR => NOP NOP
BF59: A9 88 LDA #$88
BF5B: 8D 0D 02 STA VSEROR+1 => NOP NOP
BF5E: 58 CLI
BF5F: 60 RTS
8838: A5 31 LDA CHKSUM
883A: D0 13 BNE $884F
883C: 68 PLA
883D: 85 31 STA CHKSUM
883F: 8C 2F 05 STY $052F
8842: A0 01 LDY #$01
8844: 18 CLC
8845: B1 32 LDA (BUFRLO),Y
8847: 65 31 ADC CHKSUM
8849: 69 00 ADC #$00
884B: 48 PHA
884C: AC 2F 05 LDY $052F
884F: 6C 30 05 JMP ($0530)
This page (revision-69) was last changed on 03-Feb-2023 15:21 by Roland B. Wassenberg  Top