91 lines
1.7 KiB
ArmAsm
Executable File
91 lines
1.7 KiB
ArmAsm
Executable File
* Ryellow1 (put this file!!!)
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* This code sets the high bit of $7C in aux mem
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* if signature is found on track zero.
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* NOTE: make sure the x register has a number
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* greater than 4 when calling YELLOW.
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YELLrun = $AAAA
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YELLOW
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:0 sec
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rol
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clc
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rol
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dex
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bne :0
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sta 4
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jsr YELLsub
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jmp YELLnothing
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*-------------------------------------------------
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YELLcode
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hex 27A26A0C5717236A8AAD0603AA8A3401
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hex 03A02F9E0C5717246A03012F9D03E92F
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hex 9C032A2F9F6C9F5AF68AF8011AFD0F9B
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hex 63AD7A5B0AAA17266ABA51225AED637F
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hex 7A5E0AAA17266ABA51225A93634D7A5E
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hex 17266ABA51634D7A8617266ABA51634D
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hex 7A8917276A0ABA8EAC17266ABA51225A
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hex BE63447A5E0AAD17266ABA517B9C7AAF
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hex 22BA5E9AA9E696018AAD06374215DCF1
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hex B2CA6C9E5AA1E66100564444564D4456
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hex 4D8AAD06374215CA0A572E92627AAE4C
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hex 925A9717266ABA51637F7A5A4017266A
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hex BA5163007A580AA917266ABA51633C7A
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hex 4D03AA2F9317266ABA51802F9217266A
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hex BA518F92339AAAEF9322BA4D0240B2CA
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hex 92CA03AE27620E6F555AFC03AA27670E
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hex 0F55276F0E9247620E5A9F1AACE3554C
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hex 553AAEC3546C5567670E3AA907670E63
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hex A61AAB02928A440113B3068A5601076F
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hex 0EB28A5A01138F068A560144670E7A6A
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hex 8A5601B20F5583A980AF5700172A6A0C
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hex 57CA08B8607A579243AB7A5CCA08AA16
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hex 0E0E1F9A3E9A370E0E424A8B7A5BCAAB
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hex 9A828E8AB4B7B6B6B6B6B6DA868C88B5
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hex B4B7B6B6B6B6B655A9
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*-------------------------------------------------
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YELLlen = *-YELLcode
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* Routine to decode code
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hex 20 ;jsr
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YELLsub sta 5
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ldy #0
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:0 lda YELLcode,y
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eor 4
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sta (4),y
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inc 5
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lda YELLcode+256,y
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eor 4
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sta (4),y
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dec 5
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iny
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bne :0
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lda 4
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eor #$4C!$AA ;jmp instruction
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sta 3
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jmp 3
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*-------------------------------------------------
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hex a9 ;lda #imm
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YELLnothing ldy #0
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inc 5
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:0 tya
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:1 sta (4),y
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iny
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bne :1
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rts
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*------------------------------------------------- EOF
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