4cade/src/prelaunch/conan.a

51 lines
1.0 KiB
Plaintext
Executable File

;license:MIT
;(c) 2019 by qkumba/Frank M.
!cpu 6502
!to "build/PRELAUNCH.INDEXED/CONAN",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $81e
jsr $800
lda #$60
sta $bd40
jsr $bc94
lda #0 ; vector fixes
sta $7C09 ; to $3FE - IRQ
lda #1
sta $7C01 ; to $3F3 - reset
sta $7C0B ; to $3FF - IRQ
lda #$A4
sta $7C02 ; to $3F4 - reset ($3F2 doesn't change)
+DISABLE_ACCEL
jsr $5ff8 ; decompress, run intro
+ENABLE_ACCEL
lda #$6c
sta $bd40
lda #$60
sta $6ba2
jsr $3ffc
jsr $be00
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$ad
sta $19f5
sta $1a00
sta $1b4e
;;sta $a973
+
+DISABLE_ACCEL
jmp $6ba5
!if * > $1C0 {
!error "code is too large, ends at ", *
}