BIOS debugging with ddtz: Set 3F to 81 to en fifo inits.

[z180-stamp-cpm3.git] / cbios / boot.180

diff --git a/cbios/boot.180 b/cbios/boot.180
index 18a53f45d86f12f688e94d0be882547838c17aaa..566f19012dcabe8dc6ece5184b2db2677e72b6cd 100644 (file)
--- a/cbios/boot.180
+++ b/cbios/boot.180
@@ -40,6 +40,7 @@ tpa$bank equ  0
 \r
 hwinit:\r
        ld      a,(INIDONE)\r
+       and     80h\r
        cp      INIDONEVAL\r
        jr      z,hwini_skip\r
        ld      hl,hwini_tab\r
@@ -63,7 +64,7 @@ hwini_skip:
        ld      (@covec),hl\r
        ld      hl,0000000000000000b    ; assign printer to nothing:\r
        ld      (@lovec),hl\r
-       ld      hl,0100000000000000b    ; assign AUX to ASCI0:\r
+       ld      hl,0000000000000000b    ; assign AUX to ASCI0:\r
        ld      (@aivec),hl\r
        ld      (@aovec),hl\r
 \r