hp-saturn/opcodes/1x.v

/******************************************************************************
 * 1X
 *
 *
 */ 

`include "decstates.v"

`DEC_1X: begin
    case (nibble)
    4'h4: decstate <= `DEC_14X;
    4'hb: decstate <= `DEC_D0_EQ_5N;
    default: begin 
        $display("ERROR : DEC_1X");
        decode_error <= 1;    
    end
    endcase
end
entirely redesign the state machine 2019-02-07 22:54:06 +01:00			`/******************************************************************************`
			`* 1X`
			`*`
			`*`
			`*/`

rewrite in less spaghetti code style 2019-02-08 19:09:13 +01:00			`include "decstates.v"

			`DEC_1X: begin
			`case (nibble)`
			4'h4: decstate <= `DEC_14X;
			4'hb: decstate <= `DEC_D0_EQ_5N;
			`default: begin`
			`$display("ERROR : DEC_1X");`
			`decode_error <= 1;`
			`end`
			`endcase`
			`end`