]> Joshua Wise's Git repositories - fpgaboy.git/blobdiff - core/insn_add_hl.v
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[fpgaboy.git] / core / insn_add_hl.v
index 6bd7e7a8dc17e8599cf6497eeb46b835cca827fd..66a047fddceb26c5f45038747cc09dae63941d2c 100644 (file)
@@ -23,7 +23,7 @@
                1:      begin
                                `_F <=  { /* Z */ `_F[7],
                                          /* N */ 1'b0,
-                                         /* H */ (({`_HL} + {tmp,tmp2}) & 16'h1000) ? 1'b1 : 1'b0,
+                                         /* H */ (({1'b0,`_H[3:0],`_L} + {1'b0,tmp[3:0],tmp2}) & 13'h1000) ? 1'b1 : 1'b0,
                                          /* C */ (({1'b0,`_HL} + {1'b0,tmp,tmp2}) & 17'h10000) ? 1'b1 : 1'b0,
                                          `_F[3:0]
                                        };
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