| 1 |
7 |
robfinch |
$display("Fetched AXC=%h pc=%h insn: %h", AXC, pc_axc, insn);
|
| 2 |
|
|
casex(insn[41:35])
|
| 3 |
|
|
`MISC:
|
| 4 |
|
|
begin
|
| 5 |
|
|
$display("MISC");
|
| 6 |
|
|
case(insn[6:0])
|
| 7 |
|
|
`BRK: $display("BRK");
|
| 8 |
|
|
`WAIT: $display("WAIT");
|
| 9 |
|
|
`IRET: $display("IRET");
|
| 10 |
|
|
`CLI: $display("CLI");
|
| 11 |
|
|
`SEI: $display("SEI");
|
| 12 |
|
|
`TLBR: $display("TLBR");
|
| 13 |
|
|
`TLBWI: $display("TLBWI");
|
| 14 |
|
|
`TLBWR: $display("TLBWR");
|
| 15 |
|
|
default: ;
|
| 16 |
|
|
endcase
|
| 17 |
|
|
end
|
| 18 |
|
|
`R:
|
| 19 |
|
|
case(insn[6:0])
|
| 20 |
|
|
// `SGN: $display("SGN");
|
| 21 |
|
|
`NEG: $display("NEG r%d,r%d",insn[34:30],insn[29:25]);
|
| 22 |
|
|
`COM: $display("COM r%d,r%d",insn[34:30],insn[29:25]);
|
| 23 |
|
|
`ABS: $display("ABS r%d,r%d",insn[34:30],insn[29:25]);
|
| 24 |
|
|
`SQRT: $display("SQRT r%d,r%d",insn[34:30],insn[29:25]);
|
| 25 |
|
|
default: ;
|
| 26 |
|
|
endcase
|
| 27 |
|
|
`RR:
|
| 28 |
|
|
case(insn[6:0])
|
| 29 |
|
|
`ADD: $display("ADD r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 30 |
|
|
`SUB: $display("SUB r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 31 |
|
|
`CMP: $display("CMP r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 32 |
|
|
`AND: $display("AND r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 33 |
|
|
`OR: $display("OR r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 34 |
|
|
`XOR: $display("XOR r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 35 |
|
|
`NAND: $display("NAND r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 36 |
|
|
`NOR: $display("NOR r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 37 |
|
|
`XNOR: $display("XNOR r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 38 |
|
|
`MULU: $display("MULU r%d,r%d,r%d",insn[34:30],insn[29:25],insn[24:20]);
|
| 39 |
|
|
default: ;
|
| 40 |
|
|
endcase
|
| 41 |
|
|
`ADDI: $display("ADDI r%d,r%d,#%d",insn[34:30],insn[29:25],{{39{insn[24]}},insn[24:0]});
|
| 42 |
|
|
`SUBI: $display("SUBI r%d,r%d,#%d",insn[34:30],insn[29:25],{{39{insn[24]}},insn[24:0]});
|
| 43 |
|
|
`ANDI: $display("ANDI r%d,r%d,#%d",insn[34:30],insn[29:25],{39'h7FFFFFFFFF,insn[24:0]});
|
| 44 |
|
|
`ORI: $display("ORI r%d,r%d,#%d",insn[34:30],insn[29:25],{39'd0,insn[24:0]});
|
| 45 |
|
|
`XORI: $display("XORI r%d,r%d,#%d",insn[34:30],insn[29:25],{39'd0,insn[24:0]});
|
| 46 |
|
|
`JMP: $display("JMP %h.%d",{insn[34:2],4'b0000},insn[1:0]);
|
| 47 |
|
|
`CALL: $display("CALL %h",{insn[34:0],2'b00});
|
| 48 |
|
|
`JAL: $display("JAL");
|
| 49 |
|
|
`RET: $display("RET R%d,R%d,#%h",insn[34:30],insn[29:25],{{39{insn[24]}},insn[24:0]});
|
| 50 |
|
|
`NOPI: $display("NOP");
|
| 51 |
|
|
`SC: $display("SC r%d,%d[r%d]",insn[29:25],{{39{insn[24]}},insn[24:0]},insn[34:30]);
|
| 52 |
|
|
7'b111xxxx: $display("IMM %h", insn[38:0]);
|
| 53 |
|
|
default: ;
|
| 54 |
|
|
endcase
|
