mirror of
https://github.com/a2stuff/prodos-drivers.git
synced 2024-10-19 13:25:10 +00:00
484 lines
10 KiB
ArmAsm
484 lines
10 KiB
ArmAsm
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.setcpu "65C02"
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.include "prodos.inc"
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L0060 := $0060
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KBD := $C000
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RAMRDOFF := $C002
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RAMRDON := $C003
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RAMWRTOFF := $C004
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RAMWRTON := $C005
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ALTZPOFF := $C008
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ALTZPON := $C009
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KBDSTRB := $C010
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ROMIN := $C081
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ROMINNW := $C082
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ROMINWB1 := $C089
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LCBANK1 := $C08B
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LC300 := $C300
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MON_SETTXT := $FB39
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MON_TABV := $FB5B
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SETPWRC := $FB6F
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BELL1 := $FBDD
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MON_HOME := $FC58
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COUT := $FDED
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SETINV := $FE80
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SETNORM := $FE84
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.org $2000
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L2000: jmp install_and_quit
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install_src := *
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.org $1000
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.proc bbb
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cld
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lda ROMINNW
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stz $03F2
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lda #$10
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sta $03F3
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jsr SETPWRC
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lda #$A0
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jsr LC300
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ldx #$17
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L1016: stz $BF58,x
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dex
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bpl L1016
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inc $BF6F
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lda #$CF
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sta $BF58
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lda #$02
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sta L0060
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ldx $BF31
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stx $65
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lda $BF30
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bne L1042
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L1032: ldx $65
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lda $BF32,x
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cpx #$01
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bcs L103F
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ldx $BF31
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inx
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L103F: dex
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stx $65
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L1042: sta on_line_params_unit
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MLI_CALL ON_LINE, on_line_params
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bcs L1032
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stz $6B
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lda $0281
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and #$0F
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beq L1032
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adc #$02
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tax
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L1059: stx $0280
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lda #$2F
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sta $0281
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sta $0280,x
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stz $0281,x
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MLI_CALL OPEN, open_params
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bcc L107F
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lda $6B
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beq L1032
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jsr BELL1
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jsr L11DA
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stx $0280
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jmp keyboard_loop
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L107F: inc $6B
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stz $68
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lda open_params_ref_num
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sta read_params_ref_num
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sta $61
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lda #$2B
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sta read_params_request
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stz read_params_request+1
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jsr L12B4
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bcs L10B3
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ldx #$03
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L109A: lda $2023,x
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sta $6E,x
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dex
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bpl L109A
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sta read_params_request
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lda #$01
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sta $72
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stz $63
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stz $64
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lda $70
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ora $71
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bne L10B5
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L10B3: bra L1129
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L10B5: bit $71
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bmi L10B3
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L10B9: lda $63
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and #$FE
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sta $63
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ldy $72
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lda #$00
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cpy $6F
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bcc L10CE
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tay
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sty $72
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inc $63
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L10CC: inc $63
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L10CE: dey
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clc
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bmi L10D8
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adc $6E
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bcc L10CE
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bcs L10CC
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L10D8: adc #$04
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sta $62
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MLI_CALL SET_MARK, L0060
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bcs L10B3
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jsr L12B4
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bcs L10B3
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inc $72
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lda L2000
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and #$F0
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beq L10B9
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dec $70
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bne L10F8
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dec $71
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L10F8: ror $201E
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bcc L10B5
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lda $2010
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cmp #$0F
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beq L1108
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cmp #$FF
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bne L10B5
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L1108: ldx $68
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cpx #$80
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bcs L1129
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sta $74,x
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jsr L1258
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ldy #$0F
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L1115: lda L2000,y
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sta ($6C),y
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dey
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bpl L1115
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iny
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and #$0F
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sta ($6C),y
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inc $68
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bne L10B5
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L1126: jmp L1032
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L1129: MLI_CALL CLOSE, close_params
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bcs L1126
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jsr MON_SETTXT
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jsr MON_HOME
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lda #$17
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jsr MON_TABV
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ldy #$00
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lda #$14
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jsr L124A
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jsr L12AD
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ldx #$00
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L1148: lda $0281,x
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beq L1153
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jsr L12AF
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inx
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bne L1148
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L1153: stz $67
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stz $73
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lda $68
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beq keyboard_loop
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cmp #$15
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bcc L1161
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lda #$14
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L1161: sta $6A
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lda #$02
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sta $22
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sta $20
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lda #$16
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sta $21
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sta $23
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L116F: jsr L1277
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inc $67
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dec $6A
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bne L116F
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stz $67
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beq L11AA
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on_up: jsr L1277
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ldx $67
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beq L11AA
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dec $67
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lda $25
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cmp #$02
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bne L11AA
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dec $73
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lda #$16
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bne L11A7
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on_down:
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jsr L1277
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ldx $67
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inx
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cpx $68
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bcs L11AA
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stx $67
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lda $25
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cmp #$15
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bne L11AA
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inc $73
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lda #$17
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L11A7: jsr COUT
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L11AA: jsr SETINV
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jsr L1277
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keyboard_loop:
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lda KBD
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bpl keyboard_loop
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sta KBDSTRB
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jsr SETNORM
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ldx $68
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beq L11CB
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cmp #$8D ; Return
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beq L11F4
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cmp #$8A ; Down Arrow
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beq on_down
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cmp #$8B ; Up Arrow
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beq on_up
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L11CB: cmp #$89 ; Tab
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beq next_drive
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cmp #$9B ; Esc
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bne keyboard_loop
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jsr L11DA
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dec $6B
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bra L11F1
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L11DA: ldx $0280
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L11DD: dex
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lda $0280,x
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cmp #$2F
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bne L11DD
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cpx #$01
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bne L11EC
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ldx $0280
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L11EC: rts
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next_drive:
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jmp L1032
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L11F0: inx
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L11F1: jmp L1059
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L11F4: MLI_CALL SET_PREFIX, set_prefix_params
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bcs next_drive
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ldx $67
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jsr L1258
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ldx $0280
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L1204: iny
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lda ($6C),y
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inx
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sta $0280,x
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cpy $69
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bcc L1204
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stx $0280
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ldy $67
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lda $74,y
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bpl L11F0
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jsr MON_SETTXT
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jsr MON_HOME
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lda #$95
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jsr COUT
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MLI_CALL OPEN, open_params
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bcs next_drive
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lda open_params_ref_num
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sta read_params_ref_num
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lda #$FF
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sta read_params_request
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sta read_params_request+1
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jsr L12B4
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php
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MLI_CALL CLOSE, close_params
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plp
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bcs next_drive
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jmp L2000
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L124A: sta $24
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L124C: lda help_string,y
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beq L1257
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jsr COUT
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iny
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bne L124C
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L1257: rts
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L1258: stz $6D
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txa
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asl a
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rol $6D
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asl a
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rol $6D
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asl a
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rol $6D
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asl a
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rol $6D
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sta $6C
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lda #$14
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clc
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adc $6D
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sta $6D
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ldy #$00
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lda ($6C),y
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sta $69
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rts
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L1277: lda #$02
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sta $057B
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ldx $67
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txa
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sec
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sbc $73
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inc a
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inc a
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jsr MON_TABV
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lda $74,x
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bmi L1299
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stz $057B
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lda $32
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pha
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ldy #$2A
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jsr L124C
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pla
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sta $32
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L1299: jsr L12A9
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jsr L1258
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L129F: iny
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lda ($6C),y
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jsr L12AF
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cpy $69
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bcc L129F
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L12A9: lda #$A0
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bne L12B1
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L12AD: lda #$99
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L12AF: ora #$80
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L12B1: jmp COUT
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L12B4: MLI_CALL READ, read_params
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rts
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.macro HIASCII arg
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.repeat .strlen(arg), i
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.byte .strat(arg, i) | $80
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.endrep
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.endmacro
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.proc help_string
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HIASCII "RETURN: Select | TAB: Chg Vol | ESC: Back"
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.byte 0 ; null terminated
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.endproc
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;; Mousetext sequence: Enable, folder left, folder right, disable
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.proc folder_string
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.byte $0F,$1B,$D8,$D9,$18,$0E
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.byte 0 ; null terminated
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.endproc
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.proc open_params
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params: .byte 3
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path: .addr $0280
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buffer: .addr $1C00
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ref_num:.byte 0
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.endproc
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open_params_ref_num := open_params::ref_num
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.proc close_params
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params: .byte 1
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ref_num:.byte 0
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.endproc
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.proc on_line_params
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params: .byte 2
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unit: .byte $60
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buffer: .addr $0281
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.endproc
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on_line_params_unit := on_line_params::unit
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.proc set_prefix_params
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params: .byte 1
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path: .addr $0280
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.endproc
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.proc read_params
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params: .byte 4
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ref_num:.byte 1
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buffer: .word $2000
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request:.word 0
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trans: .word 0
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.endproc
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read_params_ref_num := read_params::ref_num
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read_params_request := read_params::request
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.res 192, 0
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$00,$00,$00,$00,$00,$00
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.byte $00,$00,$48,$AD
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.endproc
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.assert .sizeof(bbb) = $3FF, error, "Expected size is $3FF"
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.org $2402
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install_and_quit:
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jsr install
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MLI_CALL QUIT, quit_params
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.proc quit_params
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params: .byte 4
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type: .byte 0
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res1: .word 0
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res2: .byte 0
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res3: .addr 0
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.endproc
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.proc install
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src := install_src
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end := install_src + .sizeof(bbb)
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dst := $D100 ; Install location in ProDOS
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src_ptr := $19
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dst_ptr := $1B
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sta ALTZPOFF
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lda ROMIN
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lda ROMIN
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lda #>src
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sta src_ptr+1
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lda #<src
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sta src_ptr
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lda #>dst
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sta dst_ptr+1
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lda #<dst
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sta dst_ptr
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loop: lda (src_ptr)
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sta (dst_ptr)
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inc src_ptr
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bne :+
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inc src_ptr+1
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: inc dst_ptr
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bne :+
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inc dst_ptr+1
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: lda src_ptr+1
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cmp #>end
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bne loop
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lda src_ptr
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cmp #<end
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bne loop
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lda (src_ptr) ; WTF??
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sta (dst_ptr)
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sta ALTZPOFF
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sta ROMINWB1
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sta ROMINWB1
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rts
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.endproc
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