Yaaay, everything is posedge now

[fpgaboy.git] / insn_alu8.v

diff --git a/insn_alu8.v b/insn_alu8.v
index 161418b85c284368e69e882fe8cd6966e099a059..b6d4c636820f8c95c337a81a439ae5dd9831fa48 100644 (file)
--- a/insn_alu8.v
+++ b/insn_alu8.v
@@ -1,6 +1,9 @@
 `ifdef EXECUTE
 `ifdef EXECUTE

-       `INSN_ALU8: begin
-               if ((opcode[2:0] == `INSN_reg_dHL) && (cycle == 0))
+       `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_READ(`_HL)
                else begin
                        `EXEC_NEWCYCLE


@@ -20,8 +23,8 @@
 `endif
 
 `ifdef WRITEBACK
 `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])
                        /* Sit on our asses. */
                end else begin          /* Actually do the computation! */
                        case (opcode[5:3])