Move the core to core/

[fpgaboy.git] / core / insn_ld_reg_hl.v

diff --git a/core/insn_ld_reg_hl.v b/core/insn_ld_reg_hl.v
new file mode 100644 (file)
index 0000000..e420f2f
--- /dev/null
+++ b/core/insn_ld_reg_hl.v
@@ -0,0 +1,28 @@
+`ifdef EXECUTE
+       `INSN_LD_reg_HL: begin
+               case(cycle)
+               0:      `EXEC_READ(`_HL)
+               1:      begin
+                               `EXEC_INC_PC
+                               `EXEC_NEWCYCLE
+                       end
+               endcase
+       end
+`endif
+
+`ifdef WRITEBACK
+       `INSN_LD_reg_HL: begin
+               case (cycle)
+               0:      begin end
+               1:      case (opcode[5:3])
+                       `INSN_reg_A:    `_A <= rdata;
+                       `INSN_reg_B:    `_B <= rdata;
+                       `INSN_reg_C:    `_C <= rdata;
+                       `INSN_reg_D:    `_D <= rdata;
+                       `INSN_reg_E:    `_E <= rdata;
+                       `INSN_reg_H:    `_H <= rdata;
+                       `INSN_reg_L:    `_L <= rdata;
+                       endcase
+               endcase
+       end
+`endif