From: Alan Cox <alan@linux.intel.com>
Date: Mon, 22 Dec 2014 13:04:09 +0000 (+0000)
Subject: trs80: CRTC reg 0 was not being set
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=071e8ef9b68d7d6939f1b69690be2ef3b455cd7b;p=FUZIX.git

trs80: CRTC reg 0 was not being set

Backported from Microbee port
---

diff --git a/Kernel/platform-trs80/trs80.s b/Kernel/platform-trs80/trs80.s
index 7a77176e..3d73c1dd 100644
--- a/Kernel/platform-trs80/trs80.s
+++ b/Kernel/platform-trs80/trs80.s
@@ -78,12 +78,13 @@ init_early:
 
             ; load the 6845 parameters
 	    ld hl, #_ctc6845
-	    ld bc, #1588
+	    ld bc, #0x1088
 ctcloop:    out (c), b			; register
 	    ld a, (hl)
 	    out (0x89), a		; data
 	    inc hl
-	    djnz ctcloop
+	    dec b
+	    jr nc, ctcloop
 
    	    ; clear screen
 	    ld hl, #0xF800