mirror of https://github.com/a2-4am/4cade.git
116 lines
3.0 KiB
Plaintext
116 lines
3.0 KiB
Plaintext
!cpu 6502
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!to "build/LAUNCHER.SYSTEM",plain
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*=$2000
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!source "src/constants.a"
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!source "src/macros.a"
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jsr DisableAccelerator ; set to 1 MHz
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jsr Has128K ; check for 128K (64K is OK, we just filter out some games)
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ror MachineStatus
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jsr HasJoystick ; check for joystick (keyboard-only is OK, we just filter out some games)
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ror MachineStatus
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lda LCBANK1WRITE ; read ROM / write LC bank 1
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lda LCBANK1WRITE
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ldx #$00
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FM lda FirstMover,x
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sta $D000,x
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inx
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bne FM
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; inc FM+2
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; inc FM+5
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; lda FM+5
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; cmp #>LastMover
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; bcc FM
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jsr init ; initialize ProRWTS2 (bye bye ProDOS)
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lda LCBANK1 ; read/write LC bank 1
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lda LCBANK1
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jmp Start
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!source "src/memcheck.a"
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!source "src/joystick.a"
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!source "src/normfast.a"
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!source "src/prorwts2.a"
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FirstMover
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!pseudopc $D000 {
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!zone
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Start
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lda #$00 ; read first $2000 bytes
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sta sizelo
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lda #$20
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sta sizehi
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lda #0 ; 0 = read into main memory
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sta auxreq
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lda #cmdread ; read (instead of write)
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sta reqcmd
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bit MachineStatus
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bvs @ShowCover128K
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lda #<cover64 ; pointer to length-prefixed filename
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sta namlo
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lda #>cover64
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sta namhi
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jsr hddopendir ; call ProRWTS2
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clc
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bcc @Show
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@ShowCover128K
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inc auxreq ; 1 = read into aux memory
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lda #<cover128 ; pointer to length-prefixed filename
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sta namlo
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lda #>cover128
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sta namhi
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jsr hddopendir ; call ProRWTS2
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lda #$20 ; read next $2000 bytes
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sta sizehi
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dec auxreq ; 0 = read into main memory
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jsr hddrdwrpart ; call ProRWTS2
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sta $C000 ; display double hi-res page 1
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sta $C00D
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sta $C05E
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sta $C001
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@Show
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sta $C057
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sta $C052
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sta $C054
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sta $C050
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bit $C010
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- lda $C000
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bpl -
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bit $C010
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brk
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cover64
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!byte cover64_e-cover64_b
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cover64_b
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!text "COVER"
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cover64_e
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cover128
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!byte cover128_e-cover128_b
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cover128_b
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!text "COVER.A2FC"
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cover128_e
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}
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LastMover
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;LoadDHGR
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; sta $C000
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; ldx #$20 ; copy $2000 bytes to auxmem
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; stx @copya+2
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; stx @copyb+2
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; ldy #0
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;@writeToAuxLoop
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; sta $C005
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;@copya lda $FF00, y
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;@copyb sta $FF00, y
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; iny
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; bne @copya
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; sta $C004
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; inc @copya+2
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; inc @copyb+2
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; dex
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; bne @writeToAuxLoop
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