X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=cpu%2Fcz80%2Fcz80_op.c;h=f84f8e754f703408e0ba37cb0847a6d532177f25;hb=2d6460655c774462193bbc893dce5a43e04b4ed7;hp=8691452ed48140f4eddf7f3caa224aef38bba143;hpb=c299a73848342a745422a2e1980ed7fcf7960f26;p=picodrive.git

diff --git a/cpu/cz80/cz80_op.c b/cpu/cz80/cz80_op.c
index 8691452..f84f8e7 100644
--- a/cpu/cz80/cz80_op.c
+++ b/cpu/cz80/cz80_op.c
@@ -917,7 +917,7 @@ OP_DJNZ:
 	OP(0x18):   // JR   n
 OP_JR:
 		adr = (INT8)READ_ARG();
-		PC += adr;
+		PC += (INT8)adr;
 		RET(12)
 
 	OP(0x20):   // JR   NZ,n