X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/5509558d05f30339f3393f02f67e8854cbe25a00..5c33c5c001049403ac33d71bfbe0115c318c1b4c:/insn_alu_a.v

diff --git a/insn_alu_a.v b/insn_alu_a.v
index fe3315a..57a74fc 100644
--- a/insn_alu_a.v
+++ b/insn_alu_a.v
@@ -1,7 +1,7 @@
 `ifdef EXECUTE
 	`INSN_ALU_A: begin
-		`EXEC_NEWCYCLE;
-		`EXEC_INC_PC;
+		`EXEC_NEWCYCLE
+		`EXEC_INC_PC
 	end
 `endif
 
@@ -9,30 +9,30 @@
 	`INSN_ALU_A: begin
 		case(opcode[5:3])
 		`INSN_alu_RLCA: begin
-			registers[`REG_A] <= {registers[`REG_A][6:0],registers[`REG_A][7]};
-			registers[`REG_F] <= {registers[`REG_F][7:5],registers[`REG_A][7],registers[`REG_F][3:0]};
+			`_A <= {`_A[6:0],`_A[7]};
+			`_F <= {`_F[7:5],`_A[7],`_F[3:0]};
 		end
 		`INSN_alu_RRCA: begin
-			registers[`REG_A] <= {registers[`REG_A][0],registers[`REG_A][7:1]};
-			registers[`REG_F] <= {registers[`REG_F][7:5],registers[`REG_A][0],registers[`REG_F][3:0]};
+			`_A <= {`_A[0],`_A[7:1]};
+			`_F <= {`_F[7:5],`_A[0],`_F[3:0]};
 		end
 		`INSN_alu_RLA: begin
-			registers[`REG_A] <= {registers[`REG_A][6:0],registers[`REG_F][4]};
-			registers[`REG_F] <= {registers[`REG_F][7:5],registers[`REG_A][7],registers[`REG_F][3:0]};
+			`_A <= {`_A[6:0],`_F[4]};
+			`_F <= {`_F[7:5],`_A[7],`_F[3:0]};
 		end
 		`INSN_alu_RRA: begin
-			registers[`REG_A] <= {registers[`REG_A][4],registers[`REG_A][7:1]};
-			registers[`REG_F] <= {registers[`REG_F][7:5],registers[`REG_A][0],registers[`REG_F][3:0]};
+			`_A <= {`_A[4],`_A[7:1]};
+			`_F <= {`_F[7:5],`_A[0],`_F[3:0]};
 		end
 		`INSN_alu_CPL: begin
-			registers[`REG_A] <= ~registers[`REG_A];
-			registers[`REG_F] <= {registers[`REG_F][7],1'b1,1'b1,registers[`REG_F][4:0]};
+			`_A <= ~`_A;
+			`_F <= {`_F[7],1'b1,1'b1,`_F[4:0]};
 		end
 		`INSN_alu_SCF: begin
-			registers[`REG_F] <= {registers[`REG_F][7:5],1'b1,registers[`REG_F][3:0]};
+			`_F <= {`_F[7:5],1'b1,`_F[3:0]};
 		end
 		`INSN_alu_CCF: begin
-			registers[`REG_F] <= {registers[`REG_F][7:5],~registers[`REG_F][4],registers[`REG_F][3:0]};
+			`_F <= {`_F[7:5],~`_F[4],`_F[3:0]};
 		end
 		endcase
 	end