mirror of
https://github.com/a2-4am/4cade.git
synced 2024-09-28 18:55:36 +00:00
4d30023051
* Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload
63 lines
1.2 KiB
Plaintext
63 lines
1.2 KiB
Plaintext
;license:MIT
|
|
;(c) 2021 by Frank M.
|
|
|
|
!cpu 6502
|
|
!to "res/DEMO/REPTON",plain
|
|
*=$200
|
|
|
|
!source "src/constants.a" ; no code in these
|
|
!source "src/macros.a"
|
|
|
|
+READ_RAM2_WRITE_RAM2
|
|
|
|
;+LOAD_FILE_KEEP_DIR
|
|
ldx #0 ; read to main memory
|
|
stx ldrhi
|
|
stx ldrlo
|
|
+LDADDR title
|
|
jsr iLoadFileDirect
|
|
|
|
ldx #9-1 ; we also need to copy the length byte
|
|
- lda newpath,x
|
|
sta $BFD0,x
|
|
dex
|
|
bpl -
|
|
|
|
lda #$60
|
|
sta $086D
|
|
jsr $0800 ; decompress1
|
|
|
|
lda #$60
|
|
sta $BA18
|
|
jsr $BA03 ; decompress2
|
|
|
|
ldx #5-1
|
|
- lda patch1, x
|
|
sta $06A3, x ; ($06A6 in notes, second byte of patch also changes to $13)
|
|
dex
|
|
bpl - ; exit when user presses any key
|
|
|
|
ldx #3-1
|
|
- lda patch2, x
|
|
sta $07A4, x
|
|
dex
|
|
bpl - ; exit at end of demo cycle
|
|
|
|
jmp $0767
|
|
|
|
patch1 !byte $10,$13,$4C,$00,$01
|
|
|
|
patch2 !byte $4C,$00,$01
|
|
|
|
newpath
|
|
!byte 8
|
|
!text "X/REPTON"
|
|
|
|
title !byte x_e-x_b
|
|
x_b !text "X/REPTON/REPTON"
|
|
x_e
|
|
|
|
!if * > $300 {
|
|
!error "code is too large, ends at ", *
|
|
}
|