convert Axis Assassin demo, save 36kb

This commit is contained in:
Peter Ferrie 2022-06-09 16:45:56 -07:00
parent 65775f0e2e
commit ac3e6beba6
4 changed files with 74 additions and 1 deletions

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@ -10,7 +10,6 @@ AO=Type(06),AuxType(B900),Access(C3)
APPLE.INVADER=Type(06),AuxType(0200),Access(C3)
AQUATRON=Type(06),AuxType(BD00),Access(C3)
AXIS.ASSASSIN=Type(06),AuxType(0300),Access(C3)
AXIS.ASSASSIN.1=Type(F1),AuxType(0000),Access(C3)
BATTLEZONE=Type(06),AuxType(0300),Access(C3)
BEER.RUN=Type(06),AuxType(0300),Access(C3)
BELLHOP=Type(06),AuxType(3FFD),Access(C3)

74
src/demo/axis.assassin.a Normal file
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@ -0,0 +1,74 @@
;license:MIT
;(c) 2022 by qkumba
!cpu 6502
!to "res/DEMO/AXIS.ASSASSIN",plain
*=$300
!source "src/constants.a" ; no code in these
!source "src/macros.a"
+READ_RAM2_WRITE_RAM2
jsr EnableAccelerator
+LOAD_FILE_AT axis_assassin, $3EB1
+READ_ROM_NO_WRITE
lda #$84
sta $3ECC
lda #$70
sta $3ED0
lda #$17
sta $3EDC
lda #$60
sta $3f06
jsr $3eb1 ; decompress
lda #$4C
sta $5B2E
sta $701C
sta $5D5B
ldx #0
stx $5DF4
stx $5CD8
stx $5E09
stx $701D
inx
stx $5B30 ; reset vector patch
stx $5DF5
stx $5CD9
stx $5E0A
stx $701E
stx $5D5D
lda #$24
sta $5D24
lda #$D0
sta $5D14
lda #$20
sta $5D41
lda #<callback
sta $5D42
lda #>callback
sta $5D43
lsr $5CBA
+DISABLE_ACCEL
jmp $5c00
counter !byte 5
callback
sta $C010
dec counter
bpl +
jmp $100
+ rts
axis_assassin
!byte axis_assassin_e-axis_assassin_b
axis_assassin_b
!text "X/AXIS.ASSASSIN/AXIS.ASSASSIN"
axis_assassin_e
!if * > $3F0 {
!error "code is too large, ends at ", *
}