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63 lines
1.2 KiB
Plaintext
63 lines
1.2 KiB
Plaintext
;license:MIT
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;(c) 2021 by Frank M.
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!cpu 6502
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!to "res/DEMO/REPTON",plain
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*=$200
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!source "src/constants.a" ; no code in these
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!source "src/macros.a"
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+READ_RAM2_WRITE_RAM2
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;+LOAD_FILE_KEEP_DIR
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ldx #0 ; read to main memory
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stx ldrhi
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stx ldrlo
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+LDADDR title
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jsr iLoadFileDirect
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ldx #9-1 ; we also need to copy the length byte
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- lda newpath,x
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sta $BFD0,x
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dex
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bpl -
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lda #$60
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sta $086D
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jsr $0800 ; decompress1
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lda #$60
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sta $BA18
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jsr $BA03 ; decompress2
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ldx #5-1
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- lda patch1, x
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sta $06A3, x ; ($06A6 in notes, second byte of patch also changes to $13)
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dex
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bpl - ; exit when user presses any key
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ldx #3-1
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- lda patch2, x
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sta $07A4, x
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dex
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bpl - ; exit at end of demo cycle
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jmp $0767
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patch1 !byte $10,$13,$4C,$00,$01
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patch2 !byte $4C,$00,$01
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newpath
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!byte 8
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!text "X/REPTON"
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title !byte x_e-x_b
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x_b !text "X/REPTON/REPTON"
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x_e
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!if * > $300 {
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!error "code is too large, ends at ", *
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}
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