////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Filename: optest.cpp
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// Filename: optest.cpp
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//
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//
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// Project: Zip CPU -- a small, lightweight, RISC CPU core
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// Project: Zip CPU -- a small, lightweight, RISC CPU core
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//
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//
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// Purpose: A quick test of whether we can decode opcodes properly. This
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// Purpose: A quick test of whether we can decode opcodes properly. This
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// test bypasses the assembler, and is useful when the assembler
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// test bypasses the assembler, and is useful when the assembler
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// isn't working. Now that we've got the assembler running, this
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// isn't working. Now that we've got the assembler running, this code
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// code isn't nearly as useful anymore.
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// isn't nearly as useful anymore.
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//
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// Even more, now that we switched instruction sets, this code is all the
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// more useless ... until updated.
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//
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//
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// Creator: Dan Gisselquist, Ph.D.
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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// Gisselquist Technology, LLC
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (C) 2015, Gisselquist Technology, LLC
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// Copyright (C) 2015, Gisselquist Technology, LLC
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//
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//
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// This program is free software (firmware): you can redistribute it and/or
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// by the Free Software Foundation, either version 3 of the License, or (at
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// your option) any later version.
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// your option) any later version.
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//
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//
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// for more details.
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//
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//
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// You should have received a copy of the GNU General Public License along
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// You should have received a copy of the GNU General Public License along
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// target there if the PDF file isn't present.) If not, see
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// target there if the PDF file isn't present.) If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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// <http://www.gnu.org/licenses/> for a copy.
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//
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//
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// License: GPL, v3, as defined and found on www.gnu.org,
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// License: GPL, v3, as defined and found on www.gnu.org,
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// http://www.gnu.org/licenses/gpl.html
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// http://www.gnu.org/licenses/gpl.html
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//
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//
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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#include <stdio.h>
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#include <stdio.h>
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#include "zopcodes.h"
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#include "zopcodes.h"
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void optest(const ZIPI ins) {
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void optest(const ZIPI ins) {
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char line[512];
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char la[80], lb[80];
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zipi_to_string(ins, line);
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zipi_to_string(ins, la, lb);
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printf("0x%08x ->\t%s\n", ins, line);
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printf("0x%08x ->\t%-24s\t%-24s\n", ins, la, lb);
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}
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}
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int main(int argc, char **argv) {
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int main(int argc, char **argv) {
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char line[512];
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char line[512];
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optest(0x00000000); // CMP $0,R0
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optest(0x00000000); // CMP $0,R0
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optest(0x0f000000); // CMP $0,PC
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optest(0x0f000000); // CMP $0,PC
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optest(0x0e0fffff); // CMP $-1,CC
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optest(0x0e0fffff); // CMP $-1,CC
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optest(0x2f007fff); // MOV $-1+R0,PC -> JMP $-1+R0
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optest(0x2f007fff); // MOV $-1+R0,PC -> JMP $-1+R0
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optest(0x2f0f7fff); // MOV $-1+PC,PC -> BRA $-1
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optest(0x2f0f7fff); // MOV $-1+PC,PC -> BRA $-1
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optest(0x2f2f7fff); // BRZ $-1+R0
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optest(0x2f2f7fff); // BRZ $-1+R0
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optest(0x2f4fffff); // MOV.NE $-1+uPC,PC
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optest(0x2f4fffff); // MOV.NE $-1+uPC,PC
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optest(0xbe000010); // HALT
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optest(0xbe000010); // HALT
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optest(0xbe000020); // RTU
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optest(0xbe000020); // RTU
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optest(0x9e00005f); // INT
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optest(0x9e00005f); // INT
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optest(0xc6160000); // CLR R6
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optest(0xc6160000); // CLR R6
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optest(0xcf1f0000); // CLR R6
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optest(0xcf1f0000); // CLR R6
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optest(0xce1e0000); // CLR CC
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optest(0xce1e0000); // CLR CC
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optest(0xcd1d0000); // CLR SP
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optest(0xcd1d0000); // CLR SP
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optest(0xc71e0000); // XOR CC,R7
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optest(0xc71e0000); // XOR CC,R7
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optest(0x2f0f7fff); // BRA $-1
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optest(0x2f0f7fff); // BRA $-1
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optest(0x2f2f7fff); // BRZ $-1
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optest(0x2f2f7fff); // BRZ $-1
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optest(0x2f4f7fff); // BNE $-1
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optest(0x2f4f7fff); // BNE $-1
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optest(0xa0000000); // ADD $0,R0
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optest(0xa0000000); // ADD $0,R0
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optest(0xaf030350); // ADD $0x197456,PC -> LJMP $197456+PC
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optest(0xaf030350); // ADD $0x197456,PC -> LJMP $197456+PC
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optest(0xaf230350); // ADD.Z $0x197456,PC -> LJMP.Z $197456+PC
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optest(0xaf230350); // ADD.Z $0x197456,PC -> LJMP.Z $197456+PC
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optest(0x4e000000); // NOOP
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optest(0x4e000000); // NOOP
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optest(0x4f000000); // LODILO $0,R0
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optest(0x4f000000); // LODILO $0,R0
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optest(0x4f00ffff); // LODILO $0,R0
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optest(0x4f00ffff); // LODILO $0,R0
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optest(0x4f057fff); // LODILO $0,R5
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optest(0x4f057fff); // LODILO $0,R5
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optest(0x4f0c0001); // LODILO $0,R12
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optest(0x4f0c0001); // LODILO $0,R12
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optest(0x4f1d0001); // LODIHI $0,SP
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optest(0x4f1d0001); // LODIHI $0,SP
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optest(0x601f0007); // LOD ($7+PC),R0
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optest(0x601f0007); // LOD ($7+PC),R0
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optest(0x60df000f); // LOD.C $15(PC),R0
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optest(0x60df000f); // LOD.C $15(PC),R0
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optest(0x6cff003f); // LOD.V $63(PC),R12
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optest(0x6cff003f); // LOD.V $63(PC),R12
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optest(0x701f0007); // STO R0,($7+PC)
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optest(0x701f0007); // STO R0,($7+PC)
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optest(0x70000007); // STO R0,($7)
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optest(0x70000007); // STO R0,($7)
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optest(0x701f0000); // STO R0,(PC)
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optest(0x701f0000); // STO R0,(PC)
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optest(0xc0100000); // CLR R0
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optest(0xc0100000); // CLR R0
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optest(0x21000000); // MOV R0,R1
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optest(0x21000000); // MOV R0,R1
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optest(0x22000001); // MOV $1+$0,R2
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optest(0x22000001); // MOV $1+$0,R2
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optest(0x23000002); // MOV $2+$0,R3
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optest(0x23000002); // MOV $2+$0,R3
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optest(0x24000022); // MOV $22h+$0,R4
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optest(0x24000022); // MOV $22h+$0,R4
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optest(0x25100377); // MOV $337h+$0,uR5
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optest(0x25100377); // MOV $337h+$0,uR5
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}
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}
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