;license:MIT ;(c) 2021 by Frank M. !cpu 6502 !to "res/DEMO/BB",plain *=$300 !source "src/constants.a" ; no code in these !source "src/macros.a" +READ_RAM2_WRITE_RAM2 jsr EnableAccelerator +LOAD_FILE_AT title, $00 lda #$60 sta $0813 jsr $0800 ; decompress lda #$60 sta $363F jsr $3600 ; memory move lda #0 sta $0A01 lda #$2C sta $0A05 lda #$A4 sta $0A09 ; reset vector patch lda #$2C sta $0C3E sta $0C45 sta $0C48 ; skip inputs lda #$4C sta $15CC sta $0ED2 sta $159A lda #0 sta $15CC+1 sta $0ED2+1 sta $159A+1 lda #1 sta $15CC+2 sta $0ED2+2 sta $159A+2 ; set exits lda #$D0 sta $170F sta $0B61 sta $0B80 sta $0B9C sta $0BBB sta $1604 sta $1628 sta $1647 sta $0A95 sta $0AD4 ; disable sound +DISABLE_ACCEL jmp $0A00 title !byte x_e-x_b x_b !text "X/BB/BB" x_e !if * > $3F0 { !error "code is too large, ends at ", * }