X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/b057a5d6e6db6db06ae33703ca72cd235eec91d6..25f4912ce5d2a6c70a9f604502303a17359b19ec:/core/insn_add_hl.v

diff --git a/core/insn_add_hl.v b/core/insn_add_hl.v
index 8ff25f4..bfd6880 100644
--- a/core/insn_add_hl.v
+++ b/core/insn_add_hl.v
@@ -1,3 +1,5 @@
+`define INSN_ADD_HL		9'b000xx1001
+
 `ifdef EXECUTE
 	`INSN_ADD_HL: begin
 		case (cycle)
@@ -23,7 +25,7 @@
 				`_F <=	{ /* Z */ `_F[7],
 					  /* N */ 1'b0,
 					  /* H */ (({`_HL} + {tmp,tmp2}) & 16'h1000) ? 1'b1 : 1'b0,
-					  /* C */ (({1'b0,`_HL} + {1'b0,tmp,tmp2}) >> 16 == 1) ? 1'b1 : 1'b0,
+					  /* C */ (({1'b0,`_HL} + {1'b0,tmp,tmp2}) & 17'h10000) ? 1'b1 : 1'b0,
 					  `_F[3:0]
 					};
 				`_HL <= {tmp, tmp2};