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- .title AS6808 Error Test
-
- .area DIRECT
-
- .setdp 0,DIRECT
-
- bit0 = 0
- bit1 = 1
- bit2 = 2
- bit3 = 3
- bit4 = 4
- bit5 = 5
- bit6 = 6
- bit7 = 7
-
- ext = 0x0123
- ix2 = 0xABCD
- ix1 = 0x00EF
-
- begin: .byte 0
- loca: .byte 0
- locb: .byte 0
- locc: .byte 0
- locd: .byte 0
- loce: .byte 0
-
-
- .area AS6808A
-
- 1$: jsr 28$ ; CD __ __
- jmp 28$ ; CC __ __
- sub 28$ ; C0 __ __
-
- jsr 29$ ; CD 00 00
- jmp 30$ ; CC 00 03
- sub 31$ ; C0 00 06
-
-
- .page
-
- . = 1$+256
-
- ; Illegal Modes for:
- ; neg, com, lsr, ror,
- ; asr, lsl, rol, asl,
- ; dec, inc, tst and clr
-
- neg ,s ;a
- neg ix2,x ; will cause a link error
- neg ix2,s ; will cause a link error
- neg ,x+ ;a
- neg ix1,x+ ;a
-
- ; Illegal Modes for:
- ; sub, cmp, sbc, cpx,
- ; and, bit, lda, sta,
- ; eor, adc, ora, add,
- ; jmp, jsr, ldx, and stx
-
- sub ,s ;a
- sub ,x+ ;a
- sub ix1,x+ ;a
-
- ; Additional Illegal Modes for:
- ; sta and stx
-
- sta #0 ;a
-
- ; Additional Illegal Modes for:
- ; jmp and jsr
-
- jmp #0 ;a
- jmp ix2,s ;a
- jmp ix1,s ;a
- jmp ,x+ ;a
- jmp ix1,x+ ;a
-
- ; Illegal Modes for:
- ; cbeqa and cbeqx
-
- 2$: cbeqa *loca,2$ ;a
- 3$: cbeqa ,x,3$ ;a
- 4$: cbeqa ix1,x,4$ ;a
- 5$: cbeqa ix2,x,5$ ;a
- 6$: cbeqa ,x+,6$ ;a
- 7$: cbeqa ix1,x+,7$ ;a
- 8$: cbeqa ix1,s,8$ ;a
- 9$: cbeqa ix2,s,9$ ;a
-
- ; Illegal Modes for:
- ; cbeq
-
- 10$: cbeq #0x21,10$ ;a
- 11$: cbeq ,x,11$ ;a
- 12$: cbeq ix1,x,12$ ;a
- 13$: cbeq ix2,x,13$ ;a
- 14$: cbeq ix2,s,14$ ; will cause a linker error
-
- ; Illegal Modes for:
- ; dbnza and dbnzx
-
- 15$: dbnza *loca,15$ ;q
- 16$: dbnza ,x,16$ ;q
- 17$: dbnza ix1,x,17$ ;q
- 18$: dbnza ix2,x,18$ ;aq
- 19$: dbnza ,x+,19$ ;q
- 20$: dbnza ix1,x+,20$ ;q
- 21$: dbnza ix1,s,21$ ;q
- 22$: dbnza ix2,s,22$ ;aq
-
- ; Illegal Modes for:
- ; dbnz
-
- 23$: dbnz #0x21,23$ ;a
- 24$: dbnz ,x+,24$ ;a
- 25$: dbnz ix1,x+,25$ ;a
- 26$: dbnz ix2,x+,26$ ;a
- 27$: dbnz ix2,s,27$ ; will cause a linker error
-
-
- .page
-
- 28$: jsr *begin ; BD __
- jmp *begin ; BC __
- sub *begin ; B0 __
-
- .area AS6808B
-
- 29$: jsr 1$ ; CD __ __
- 30$: jmp 1$ ; CC __ __
- 31$: sub 1$ ; C0 __ __
-
-