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Apple2: Setup IRQ/RST vectors in LC if needed

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Programs running under DOS3.3 need to setup correct
reset and IRQ vectors in the language card.
This commit is contained in:
Colin Leroy-Mira
2025-06-12 08:51:55 +02:00
committed by Oliver Schmidt
parent 2470851bfd
commit 990d65e4e4
4 changed files with 27 additions and 3 deletions
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2
asminc/apple2.inc
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@@ -24,6 +24,8 @@ DOSWARM := $03D0 ; DOS warmstart vector
BRKVec := $03F0 ; Break vector
SOFTEV := $03F2 ; Vector for warm start
PWREDUP := $03F4 ; This must be = EOR #$A5 of SOFTEV+1
ROM_RST := $FFFC ; 6502 reset vector
ROM_IRQ := $FFFE ; 6502 IRQ vector
;-----------------------------------------------------------------------------
; 80 column firmware