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52 lines
1.1 KiB
Plaintext
52 lines
1.1 KiB
Plaintext
;license:MIT
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;(c) 2020, 2022 by qkumba/Frank M.
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!cpu 6502
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!to "build/PRELAUNCH.INDEXED/SLICKS",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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inc $3F4 ; force reboot
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lda #$60
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sta $5612
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jsr $800 ; decompress
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lda #$88
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sta $BF0E ; don't bank out
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+READ_RAM2_NO_WRITE
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lda MockingboardStuff
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and #7
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cmp #1
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ora #$C0
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bcc skipmb
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inc $8EE8 ;select MB
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cmp #$C4
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beq skipmb
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ldy #0
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- ldx $1D77,Y ;find #$C4s
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cpx #$C4
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bne +
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sta $1D77,Y ;Replace #$C4 with detected slot
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+ ldx $1E77,Y ;find #$C4s
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cpx #$C4
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bne +
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sta $1E77,Y ;Replace #$C4 with detected slot
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+ iny
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bne -
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skipmb
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lda #$2C
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sta $974C ; skip reset vector subroutine
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jsr DisableAccelerator
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+READ_ROM_NO_WRITE
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jmp $803
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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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