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

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

diff --git a/cbios/ascii.180 b/cbios/ascii.180
index 0ee942d5a2bd9478130f84d8011565026cc22325..d329de4bd00e8ee933bf4612ce4969fb8cf53962 100644 (file)
--- a/cbios/ascii.180
+++ b/cbios/ascii.180
@@ -105,6 +105,14 @@ IOCTL_MAX equ      ($-ioctl_ftab)/2
 ;\r
 \r
 asci_ioctl:\r
+       ld      a,b\r
+       cp      1\r
+       jr      nz,asioc_1\r
+       ld      a,(INIDONE)\r
+       and     80h\r
+       cp      INIDONEVAL\r
+       ret     z\r
+asioc_1:\r
        push    hl\r
        ex      (sp),ix\r
        ld      (ix+o.absdev),b\r