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restore LC reset and IRQ vectors
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parent
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commit
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10
src/4cade.a
10
src/4cade.a
@ -1,5 +1,5 @@
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;license:MIT
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;(c) 2018-2020 by 4am
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;(c) 2018-2024 by 4am
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;
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!cpu 6502
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!to "build/LAUNCHER.SYSTEM",plain
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@ -63,12 +63,20 @@ Reenter
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stx $3F2 ; page 3 reset vector to ($100)
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sei
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stx $3FE ; page 3 IRQ vector to ($100)
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lda #<Ignore
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sta $FFFE
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inx
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stx $3FF
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lda #>Ignore
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sta $FFFF
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cli
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stx $3F3
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ldx #$A4
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stx $3F4
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lda #<Reenter
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sta $FFFC
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lda #>Reenter
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sta $FFFD
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RestoreStackNextTime
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bne SearchMode ; (SMC) not an unconditional branch because code
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; might change the branch target to the next opcode
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