4cade/src/demo/bouncing.kmngas.a
frankmilliron fb61506898
Bouncing Kumungas demo launcher (#420)
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2021-11-03 13:31:27 -04:00

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;license:MIT
;(c) 2021 by Frank M.
!cpu 6502
!to "res/DEMO/BK",plain
*=$A800
!source "src/constants.a" ; no code in these
!source "src/macros.a"
+READ_RAM2_WRITE_RAM2
jsr EnableAccelerator
;+LOAD_FILE_KEEP_DIR
ldx #0 ; read to main memory
stx ldrhi
stx ldrlo
+LDADDR title
jsr iLoadFileDirect
ldx #5-1 ; we also need to copy the length byte
- lda newpath,x
sta $BFD0,x
dex
bpl -
lda #$60
sta $52DB
jsr $527C ; decompress 1
lda #$4C
sta $1B50
lda #0
sta $1B50+1
lda #1
sta $1B50+2 ; set exit
lda #$D0
sta $1D00
sta $1D09
sta $1BB6 ; disable sound
+DISABLE_ACCEL
jsr $8d4 ; show title
lda #$60
sta $BD40
jsr $BD20 ; decompress 2
lda #$4C
sta $7215
jsr $7200 ; setup for second title
+RESET_AND_IRQ_VECTOR $100
lda #$4C
sta $7513
sta $73BA
sta $7242
lda #0
sta $7513+1
sta $73BA+1
sta $7242+1
lda #1
sta $7513+2
sta $73BA+2
sta $7242+2 ; set exits
jmp $7218 ; show second title
newpath
!byte 4
!text "X/BK"
title !byte x_e-x_b
x_b !text "X/BK/BK"
x_e
!if * > $A900 {
!error "code is too large, ends at ", *
}