INC -> INCDEC

[fpgaboy.git] / insn_incdec_hl.v

diff --git a/insn_incdec_hl.v b/insn_incdec_hl.v
new file mode 100644 (file)
index 0000000..abfe495
--- /dev/null
+++ b/insn_incdec_hl.v
@@ -0,0 +1,18 @@
+`ifdef EXECUTE
+       `INSN_INCDEC_HL: begin
+               case (cycle)
+               0:      `EXEC_READ(`_HL)
+               1:      `EXEC_WRITE(`_HL, rdata + (opcode[0] ? 8'hFF : 8'h01))
+               2:      begin
+                               `EXEC_INC_PC
+                               `EXEC_NEWCYCLE
+                       end
+               endcase
+       end
+`endif
+
+`ifdef WRITEBACK
+       `INSN_INCDEC_HL: begin
+               /* meh meh */
+       end
+`endif