Fix flags bugs in tests 6 and 8

[fpgaboy.git] / core / insn_alu8.v

diff --git a/core/insn_alu8.v b/core/insn_alu8.v
index 1283a9cfbc5c00645c79c1bf65fa78dd3271216e..26fc77eca45614d1c26c0920570413a83f959b93 100644 (file)
--- a/core/insn_alu8.v
+++ b/core/insn_alu8.v
@@ -69,21 +69,21 @@
                        end
                        `INSN_alu_AND: begin
                                `_A <= `_A & tmp;
                        end
                        `INSN_alu_AND: begin
                                `_A <= `_A & tmp;

-                               `_F <=  { /* Z */ ((`_A & tmp) == 0) ? 1'b1 : 1'b0,
+                               `_F <=  { /* Z */ ((`_A & tmp) == 8'b0) ? 1'b1 : 1'b0,

                                          3'b010,
                                          `_F[3:0]
                                        };
                        end
                        `INSN_alu_OR: begin
                                `_A <= `_A | tmp;
                                          3'b010,
                                          `_F[3:0]
                                        };
                        end
                        `INSN_alu_OR: begin
                                `_A <= `_A | tmp;

-                               `_F <=  { /* Z */ ((`_A | tmp) == 0) ? 1'b1 : 1'b0,
+                               `_F <=  { /* Z */ ((`_A | tmp) == 8'b0) ? 1'b1 : 1'b0,

                                          3'b000,
                                          `_F[3:0]
                                        };
                        end
                        `INSN_alu_XOR: begin
                                `_A <= `_A ^ tmp;
                                          3'b000,
                                          `_F[3:0]
                                        };
                        end
                        `INSN_alu_XOR: begin
                                `_A <= `_A ^ tmp;

-                               `_F <=  { /* Z */ ((`_A ^ tmp) == 0) ? 1'b1 : 1'b0,
+                               `_F <=  { /* Z */ ((`_A ^ tmp) == 8'b0) ? 1'b1 : 1'b0,

                                          3'b000,
                                          `_F[3:0]
                                        };
                                          3'b000,
                                          `_F[3:0]
                                        };