[fpgaboy.git] / core / insn_ldh_ac.v

`ifdef EXECUTE
	`INSN_LDH_AC: begin
		case (cycle)
		0:	if (opcode[4])	// LD A,(C)
				`EXEC_READ(({8'hFF,`_C}))
			else
				`EXEC_WRITE(({8'hFF,`_C}), `_A)
		1:	begin
				`EXEC_NEWCYCLE
				`EXEC_INC_PC
			end
		endcase
	end
`endif

`ifdef WRITEBACK
	`INSN_LDH_AC: begin
		case (cycle)
		0:	begin /* Type F */ end
		1:	if (opcode[4]) `_A <= rdata;
		endcase
	end
`endif
Commit	Line	Data
3ad960bd JW	1	`ifdef EXECUTE
	2	`INSN_LDH_AC: begin
	3	case (cycle)
5c33c5c0 JW	4	0: if (opcode[4]) // LD A,(C)
	5	`EXEC_READ(({8'hFF,`_C}))
	6	else
	7	`EXEC_WRITE(({8'hFF,`_C}), `_A)
3ad960bd	8	1: begin
5c33c5c0 JW	9	`EXEC_NEWCYCLE
5c33c5c0 JW	10	`EXEC_INC_PC
3ad960bd JW	11	end
	12	endcase
	13	end
	14	`endif
	15
	16	`ifdef WRITEBACK
	17	`INSN_LDH_AC: begin
	18	case (cycle)
	19	0: begin /* Type F */ end
5c33c5c0	20	1: if (opcode[4]) `_A <= rdata;
3ad960bd JW	21	endcase
	22	end
	23	`endif
	24