From 1b3e85f0fb1db54d03b7c6b5c25d9d77e3badcf9 Mon Sep 17 00:00:00 2001 From: Wayne Warthen Date: Mon, 20 Apr 2020 14:39:46 -0700 Subject: [PATCH] Update acia.asm Fix bug in ACIA detection. Thanks Alan! --- Source/HBIOS/acia.asm | 1 + 1 file changed, 1 insertion(+) diff --git a/Source/HBIOS/acia.asm b/Source/HBIOS/acia.asm index 9adeb985..4f7f0ee8 100644 --- a/Source/HBIOS/acia.asm +++ b/Source/HBIOS/acia.asm @@ -598,6 +598,7 @@ ACIA_DETECT2: RET NZ ; RETURN IF NOT ZERO LD A,$02 ; CLEAR MASTER RESET OUT (C),A ; DO IT + IN A,(C) ; GET STATUS AGAIN ; CHECK FOR EXPECTED BITS: ; TDRE=1, DCD & CTS = 0 AND %00001110 ; BIT MASK FOR "STABLE" BITS