X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/5509558d05f30339f3393f02f67e8854cbe25a00..6d070aeeba66499d17bd9abb9c5dfbb1317bf1c5:/insn_alu8.v

diff --git a/insn_alu8.v b/insn_alu8.v
index 6abcb90..b6d4c63 100644
--- a/insn_alu8.v
+++ b/insn_alu8.v
@@ -1,10 +1,13 @@
 `ifdef EXECUTE
-	`INSN_ALU8: begin
-		if ((opcode[2:0] == `INSN_reg_dHL) && (cycle == 0))
-			`EXEC_READ(_HL);
+	`INSN_ALU8,`INSN_ALU8IMM: begin
+		if ((opcode[7:6] == 2'b11) && (cycle == 0)) begin	// alu8imm
+			`EXEC_INC_PC
+			`EXEC_READ(`_PC + 1)
+		end else if ((opcode[2:0] == `INSN_reg_dHL) && (cycle == 0))
+			`EXEC_READ(`_HL)
 		else begin
-			`EXEC_NEWCYCLE;
-			`EXEC_INC_PC;
+			`EXEC_NEWCYCLE
+			`EXEC_INC_PC
 			case (opcode[2:0])
 			`INSN_reg_A:	tmp <= `_A;
 			`INSN_reg_B:	tmp <= `_B;
@@ -20,8 +23,8 @@
 `endif
 
 `ifdef WRITEBACK
-	`INSN_ALU8: begin
-		if ((opcode[2:0] == `INSN_reg_dHL) && (cycle == 0)) begin
+	`INSN_ALU8,`INSN_ALU8IMM: begin
+		if (((opcode[2:0] == `INSN_reg_dHL) || (opcode[7:6] == 2'b11)) && (cycle == 0)) begin
 			/* Sit on our asses. */
 		end else begin		/* Actually do the computation! */
 			case (opcode[5:3])