| | 1 | `define INSN_INCDEC_HL 9'b00011010x |
| | 2 | |
| | 3 | `ifdef EXECUTE |
| | 4 | `INSN_INCDEC_HL: begin |
| | 5 | case (cycle) |
| | 6 | 0: `EXEC_READ(`_HL) |
| | 7 | 1: begin |
| | 8 | `EXEC_WRITE(`_HL, rdata + (opcode[0] ? 8'hFF : 8'h01)) |
| | 9 | tmp <= rdata + (opcode[0] ? 8'hFF : 8'h01); |
| | 10 | end |
| | 11 | 2: begin |
| | 12 | `EXEC_INC_PC |
| | 13 | `EXEC_NEWCYCLE |
| | 14 | end |
| | 15 | endcase |
| | 16 | end |
| | 17 | `endif |
| | 18 | |
| | 19 | `ifdef WRITEBACK |
| | 20 | `INSN_INCDEC_HL: begin |
| | 21 | if (cycle == 1) |
| | 22 | `_F <= { |
| | 23 | (tmp == 8'h00) ? 1'b1 : 1'b0, /* Z */ |
| | 24 | opcode[0], /* N */ |
| | 25 | (tmp[3:0] == (opcode[0] ? 4'hF : 4'h0)) ? 1'b1 : 1'b0, |
| | 26 | `_F[4:0] |
| | 27 | }; |
| | 28 | end |
| | 29 | `endif |
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