X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=sim%2Fucsim%2Fz80.src%2Fz80mac.h;h=fa167aeab0dc265acee469debe7cf4979545734c;hb=b2c2579dd84588d36b75aac7b89101d2ab78a274;hp=7b1a743a643996c9b495055382422d43daa02630;hpb=d46f1ad41d63b49a39c6616a9918a29cbc1755e4;p=fw%2Fsdcc

diff --git a/sim/ucsim/z80.src/z80mac.h b/sim/ucsim/z80.src/z80mac.h
index 7b1a743a..fa167aea 100644
--- a/sim/ucsim/z80.src/z80mac.h
+++ b/sim/ucsim/z80.src/z80mac.h
@@ -4,7 +4,7 @@
  * some z80 code base from Karl Bongers karl@turbobit.com
  *
  * Copyright (C) 1999,99 Drotos Daniel, Talker Bt.
- * 
+ *
  * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu
  *
  */
@@ -27,7 +27,7 @@
 #define push1(val) {regs.SP-=1; store1(regs.SP,(val));}
 #define pop2(var) {var=get2(regs.SP),regs.SP+=2;}
 //#define pop1(var) {var=get1(regs.SP),regs.SP+=1;}
-#define add_u16_disp(_w, _d) (( (unsigned short)(_w) + (char)(_d) ) & 0xffff)
+#define add_u16_disp(_w, _d) (( (unsigned short)(_w) + (signed char)(_d) ) & 0xffff)
 
 #define sub_A_bytereg(br) { \
       regs.F &= ~(BIT_ALL);  /* clear these */ \