From 83f038c7805a6ad14ed161dfb516876c291e61d5 Mon Sep 17 00:00:00 2001 From: FeralChild64 Date: Mon, 14 Oct 2019 22:04:34 +0200 Subject: [PATCH] startup adjustements --- c64/kernal/fda3.ioinit.s | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/c64/kernal/fda3.ioinit.s b/c64/kernal/fda3.ioinit.s index 7bb0cc06..0203d315 100644 --- a/c64/kernal/fda3.ioinit.s +++ b/c64/kernal/fda3.ioinit.s @@ -106,11 +106,14 @@ IOINIT: ldx #$FF stx CIA1_DDRA // output - ldy #$00 - sty CIA1_DDRB // input + inx // $00 + stx CIA1_DDRB // input + + // Value checked on original ROM + stx CIA2_DDRA // Set DDR on CIA2 for IEC bus, VIC-II banking - lda #$3B + lda #$3F sta CIA2_DDRA // Set IEC bus to its initial idle state