hp-saturn/opcodes/0x.v

/******************************************************************************
 * 0X			
 *
 *
 */ 

`DEC_0X: begin
	case (nibble)
	4'h3:
`include "opcodes/03_RTNCC.v"
	4'h4:
`include "opcodes/04_SETHEX.v"
	4'h5:
`include "opcodes/05_SETDEC.v"
	default: begin
        $display("ERROR : DEC_0X");
        decode_error <= 1;
    end
    endcase
end
entirely redesign the state machine 2019-02-07 22:54:06 +01:00			`/******************************************************************************`
			`* 0X`
			`*`
			`*`
			`*/`

implement more stuff 2019-02-08 00:02:55 +01:00			`DEC_0X: begin
			`case (nibble)`
fix handling of PC increments and the like 2019-02-08 11:06:19 +01:00			`4'h3:`
			`include "opcodes/03_RTNCC.v"
optimize SETDEC 2019-02-08 11:55:47 +01:00			`4'h4:`
fix handling of PC increments and the like 2019-02-08 11:06:19 +01:00			`include "opcodes/04_SETHEX.v"
optimize SETDEC 2019-02-08 11:55:47 +01:00			`4'h5:`
			`include "opcodes/05_SETDEC.v"
implement more stuff 2019-02-08 00:02:55 +01:00			`default: begin`
			`$display("ERROR : DEC_0X");`
			`decode_error <= 1;`
			`end`
			`endcase`
			`end`