4cade/src/prelaunch/round.about.a
frankmilliron 3275f5f9e8
fix Bug Attack & Round About (#235)
* fix Bug Attack coding

playable on keyboard (K to start)

* Delete roundabout.a

* rename
2020-06-03 11:10:58 -04:00

34 lines
746 B
Plaintext

;license:MIT
;(c) 2020 by qkumba/Frank M.
!cpu 6502
!to "build/PRELAUNCH/ROUND.ABOUT",plain
*=$106
!source "src/prelaunch/common.a"
+ENABLE_ACCEL
lda #$60
sta $3D43
jsr $800 ; decompress
+GET_MACHINE_STATUS
and #CHEATS_ENABLED
beq +
lda #$a5
sta $91EA ; patch - don't decrease lives
sta $928C ; patch - don't decrease lives
sta $9758 ; patch - don't increase lives
+
lda #$2C ; BIT
sta $9093
sta $9098
sta $909D ; reset vector patch
+DISABLE_ACCEL
jmp $7000
!if * > $1C0 {
!error "code is too large, ends at ", *
}