save/restore AX/BX when calling BIOS to get ROM font.

[16.git] / src / lib / 16text.c

diff --git a/src/lib/16text.c b/src/lib/16text.c
index 62b581e8c3d2ce70411dbe332baaa936a2ffb35f..81b71d98cc40594656ef25aed90a63cdca353779 100755 (executable)
--- a/src/lib/16text.c
+++ b/src/lib/16text.c
@@ -1,5 +1,5 @@
 /* Project 16 Source Code~\r
- * Copyright (C) 2012-2015 sparky4 & pngwen & andrius4669\r
+ * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669\r
  *\r
  * This file is part of Project 16.\r
  *\r
@@ -31,6 +31,8 @@ static void getRomFontAddr(char fontNum, int index) {
     word fontOff;\r
 \r
     __asm {\r
+               PUSH AX\r
+               PUSH BX\r
                PUSH BP\r
                MOV AX, 0x1130          ;I can haz font info plz?\r
                MOV BH, fontNum         ;  where ur fontNum\r
@@ -40,6 +42,8 @@ static void getRomFontAddr(char fontNum, int index) {
                POP BP                  ;u can haz ur frame back!\r
                MOV fontSeg, AX         ;Storage\r
                MOV fontOff, BX         ;Storage\r
+               POP BX\r
+               POP AX\r
     }\r
     romFonts[index].seg = fontSeg;\r
     romFonts[index].off = fontOff;\r