port to 64bit. Some gcc 4.4 warning fixes

[picodrive.git] / cpu / cz80 / cz80_op.c

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