Fix POP AF test (from blargg's CPU tests)

[fpgaboy.git] / core / insn_alu_ext.v

diff --git a/core/insn_alu_ext.v b/core/insn_alu_ext.v
index 1b7825bda50dcc08df68c9f0e103e8dc13835a78..b4046e80c48316bf7179c0a0aea9b6227f91068f 100644 (file)
--- a/core/insn_alu_ext.v
+++ b/core/insn_alu_ext.v
@@ -1,3 +1,5 @@
+`define INSN_ALU_EXT           9'b100xxxxxx
+
 `ifdef EXECUTE
        `INSN_ALU_EXT: begin
                if ((opcode[2:0] == `INSN_reg_dHL) && (cycle == 0))
@@ -24,6 +26,7 @@
                        if(cycle == 0) begin end
                        else if(cycle == 1) begin
                                `EXEC_WRITE(`_HL, alu_res)
+                               `_F <= {f_res,`_F[3:0]};
                        end else begin
                                `EXEC_NEWCYCLE
                        end