ALU8IMM
[fpgaboy.git] / insn_ld_reg_imm8.v
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CommitLineData
1`ifdef EXECUTE
2 `INSN_LD_reg_imm8: begin
3 case (cycle)
4 0: begin
5 `EXEC_INC_PC
6 `EXEC_READ(`_PC + 1)
7 end
8 1: begin
9 `EXEC_INC_PC
10 if (opcode[5:3] == `INSN_reg_dHL)
11 `EXEC_WRITE(`_HL, rdata)
12 else
13 `EXEC_NEWCYCLE
14 end
15 2: `EXEC_NEWCYCLE
16 endcase
17 end
18`endif
19
20`ifdef WRITEBACK
21 `INSN_LD_reg_imm8:
22 case (cycle)
23 0: begin end
24 1: case (opcode[5:3])
25 `INSN_reg_A: begin `_A <= rdata; end
26 `INSN_reg_B: begin `_B <= rdata; end
27 `INSN_reg_C: begin `_C <= rdata; end
28 `INSN_reg_D: begin `_D <= rdata; end
29 `INSN_reg_E: begin `_E <= rdata; end
30 `INSN_reg_H: begin `_H <= rdata; end
31 `INSN_reg_L: begin `_L <= rdata; end
32 `INSN_reg_dHL: begin /* Go off to cycle 2 */ end
33 endcase
34 2: begin end
35 endcase
36`endif
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