mirror of
https://github.com/a2-4am/4sports.git
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54 lines
1.0 KiB
Plaintext
Executable File
54 lines
1.0 KiB
Plaintext
Executable File
;license:MIT
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;(c) 2020 by Frank M., qkumba
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/SS.BASEBALL",plain
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*=$106
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!source "src/prelaunch/common.a"
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+ENABLE_ACCEL
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lda #$60
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sta $9EB
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jsr $800 ; decompress
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inc $3F4 ; reboot
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lda #$4C
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sta $B7A6
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lda #<callback1
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sta $B7A7
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lda #>callback1
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sta $B7A8
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jmp $B700
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callback1
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ldx #$FF
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txs
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lda $675A
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cmp #$20
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bne +
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lda #<callback2
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sta $675B
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lda #>callback2
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sta $675C
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+ jmp $6000
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callback2
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; work around IIc+ firmware bug:
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; if LC is writable but not banked in
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; then SmartPort always banks in bank 2
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; regardless of which bank was active
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lda #$8B
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sta $B528
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sta $B52B
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sta $B54A
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sta $B54D
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+DISABLE_ACCEL
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jmp $B581
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!if * > $1C0 {
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!error "code is too large, ends at ", *
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}
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