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[/] [zipcpu/] [trunk/] [sw/] [zasm/] [zopcodes.cpp] - Rev 131
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//////////////////////////////////////////////////////////////////////////////// // // Filename: zopcodes.cpp // // Project: Zip CPU -- a small, lightweight, RISC CPU core // // Purpose: A simple program to handle the disassembly and definition // of the various Zip Assembly opcodes. The primary function // of this file is the zipi_to_string, or Zip Instruction to // string (disassemble) conversion. // // Creator: Dan Gisselquist, Ph.D. // Gisselquist Technology, LLC // //////////////////////////////////////////////////////////////////////////////// // // Copyright (C) 2015, Gisselquist Technology, LLC // // This program is free software (firmware): you can redistribute it and/or // modify it under the terms of the GNU General Public License as published // by the Free Software Foundation, either version 3 of the License, or (at // your option) any later version. // // This program is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // for more details. // // You should have received a copy of the GNU General Public License along // with this program. (It's in the $(ROOT)/doc directory, run make with no // target there if the PDF file isn't present.) If not, see // <http://www.gnu.org/licenses/> for a copy. // // License: GPL, v3, as defined and found on www.gnu.org, // http://www.gnu.org/licenses/gpl.html // // //////////////////////////////////////////////////////////////////////////////// #include <stdio.h> #include <strings.h> #include <string.h> #include <assert.h> #include "twoc.h" #include "zopcodes.h" const char *zop_regstr[] = { "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", "R8", "R9", "R10","R11", "R12","SP", "CC", "PC", "uR0", "uR1", "uR2", "uR3", "uR4", "uR5", "uR6", "uR7", "uR8", "uR9", "uR10", "uR11", "uR12", "uSP", "uCC", "uPC", "sR0", "sR1", "sR2", "sR3", "sR4", "sR5", "sR6", "sR7", "sR8", "sR9", "sR10","sR11", "sR12","sSP", "sCC", "sPC" }; const char *zop_ccstr[] = { "", ".LT", ".Z", ".NZ", ".GT", ".GE", ".C", ".V" }; const ZOPCODE zoplist[] = { // Special case instructions. These are general instructions, but with // special opcodes // Conditional branches // 0.1111.0111.ccc.0.111.10iiiii-- // 0111 1011 11cc c011 110i iiii iiii iiii "BUSY", 0xffc7ffff, 0x7bc3dfff, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "BRA", 0xfffc0000, 0x78800000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_OPUNUSED, "BLT", 0xfffc0000, 0x78880000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_OPUNUSED, "BRZ", 0xfffc0000, 0x78900000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_OPUNUSED, "BNZ", 0xfffc0000, 0x78980000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_OPUNUSED, "BGE", 0xfffc0000, 0x78a00000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_OPUNUSED, "BGT", 0xfffc0000, 0x78a80000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_OPUNUSED, "BRC", 0xfffc0000, 0x78b00000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_OPUNUSED, "BRV", 0xfffc0000, 0x78b80000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_OPUNUSED, // CLRF ... an XOR w/ self instruction // 0.rrrr.00100.ccc.1.rrrr.iiiii--- // 0rrr r001 00cc c1rr rr00 0000 0000 0000 "CLRF", 0xffc7cfff, 0x01040000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x09044000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x11048000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x1904c000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x21050000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x29054000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x31058000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x3905c000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x41060000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x49064000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x51068000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x5906c000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x61070000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x69074000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x71078000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "CLRF", 0xffc7cfff, 0x7907c000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), // CLR -- a LDI of zero // 0.rrrr.1011.iiiiiii-- // 0rrr r101 1... "CLR", 0x87ffffff, 0x05800000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, // HALT // 0.1110.00011.ccc.0.0000000000010 // 0111.0000.11cc.c000.0000.0000.0000.0010 "HALT", 0xffc7ffff, 0x70c00010, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), // The "wait" instruction is identical, with the only difference being // the interrrupt context of the processor. Well, almost. To // facilitate waits from supervisor mode, the wait instruction // explicitly forces the CPU into user mode. "WAIT", 0xffc7ffff, 0x70c00030, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), // // "INT", 0xff10007f, 0x9e00005f, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), // Return to user space "RTU", 0xffc7ffff, 0x70c00020, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), // JMP (possibly a conditional jump, if not covered by branches above) // 0.1111.01111.ccc.a.rrrr.biiiiiiiiiiiiiiii // 0111.1011.11cc.c0rr.rrbi.iiii.iiii.iiii MOV x,PC "JMP", 0xffc40000, 0x7bc00000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_IMMFIELD(13,0), ZIP_BITFIELD(3,19), // 0.1111.1011.ii.iiii.iiii.iiii.iiii.iiii.iiii // 0111.1101.1iii.iiii.iiii.iiii.iiii.iiii LDI x,PC "JMP", 0xff800000, 0x7d800000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(23,0), ZIP_OPUNUSED, // 0.1111.00010.ccc0.iiiii.iiii.iiii.iiii.iiii // 0111.1000.10cc.c0ii.iiii.iiii.iiii.iiii LOD (PC),PC "LJMP", 0xffffffff, 0x7c87c000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, "LJMP", 0xffc7ffff, 0x7c87c001, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), // NOT : XOR w/ -1 // 0.rrrr.00100.ccc.0111.11111111111 // 0rrr.r001.00cc.c011.f.f.f.f "NOT", 0x87c7ffff, 0x0103ffff, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), // General instructions // 0rrr.rooo.oocc.cxrr.rrii.iiii.iiii.iiii "SUB", 0x87c40000, 0x00000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "SUB", 0x87c40000, 0x00040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "AND", 0x87c40000, 0x00400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "AND", 0x87c40000, 0x00440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "ADD", 0x87c40000, 0x00800000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "ADD", 0x87c40000, 0x00840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "OR", 0x87c40000, 0x00c00000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "OR", 0x87c40000, 0x00c40000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "XOR", 0x87c40000, 0x01000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "XOR", 0x87c40000, 0x01040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "LSR", 0x87c40000, 0x01400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "LSR", 0x87c40000, 0x01440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "LSL", 0x87c40000, 0x01800000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "LSL", 0x87c40000, 0x01840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "ASR", 0x87c40000, 0x01c00000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "ASR", 0x87c40000, 0x01c40000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "LDIHI",0x87c40000, 0x02000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "LDIHI",0x87c40000, 0x02040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "LDILO",0x87c40000, 0x02400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "LDILO",0x87c40000, 0x02440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "MPYU", 0x87c40000, 0x02800000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "MPYU", 0x87c40000, 0x02840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "MPYS", 0x87c40000, 0x02c00000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "MPYS", 0x87c40000, 0x02c40000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "BREV", 0x87c40000, 0x03000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "BREV", 0x87c40000, 0x03040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "POPC", 0x87c40000, 0x03400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "POPC", 0x87c40000, 0x03440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "ROL", 0x87c40000, 0x03800000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "ROL", 0x87c40000, 0x03840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // // map bit = 1 (interrupts enabled) specifies user reg // 0rrr.rooo.oocc.cxrr.rrxi.iiii.iiii.iiii "MOV", 0x87c42000, 0x03c00000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_IMMFIELD(13,0), ZIP_BITFIELD(3,19), "MOV", 0x87c42000, 0x03c40000, ZIP_URGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_IMMFIELD(13,0), ZIP_BITFIELD(3,19), "MOV", 0x87c42000, 0x03c02000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_URGFIELD(14), ZIP_IMMFIELD(13,0), ZIP_BITFIELD(3,19), "MOV", 0x87c42000, 0x03c42000, ZIP_URGFIELD(27), ZIP_OPUNUSED, ZIP_URGFIELD(14), ZIP_IMMFIELD(13,0), ZIP_BITFIELD(3,19), // "CMP", 0x87c40000, 0x04000000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "CMP", 0x87c40000, 0x04040000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), "TST", 0x87c40000, 0x04400000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "TST", 0x87c40000, 0x04440000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // 0rrr.r101.1 "LDI", 0x87800000, 0x05800000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(23,0), ZIP_OPUNUSED, // "NOOP", 0xf7ffffff, 0x76000000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, "BRK", 0xf7ffffff, 0x76400000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, "BRK", 0xf7fc0000, 0x76400000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_OPUNUSED, "LOCK", 0xf7ffffff, 0x76800000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, // // // LOD: 0rrr.r100.10cc.cxrr.rrii.iiii.iiii.iiii "LOD", 0x87c40000, 0x04800000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "LOD", 0x87c40000, 0x04840000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // "STO", 0x87c40000, 0x04c00000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "STO", 0x87c40000, 0x04c40000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // // 0rrr.r101.1dcc.cxrr.rrii.iiii.iiii.iiii "DIVU", 0x87c40000, 0x05000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "DIVU", 0x87c40000, 0x05040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), "DIVS", 0x87c40000, 0x05400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "DIVS", 0x87c40000, 0x05440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // // 0rrr.r11f.ffcc.cxrr.rrii.iiii.iiii.iiii "FPADD",0x87c43fff, 0x06040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "FPSUB",0x87c43fff, 0x06440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "FPMPY",0x87c43fff, 0x06840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "FPDIV",0x87c43fff, 0x06c40000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(3,19), "FPCVT",0x87c40000, 0x07000000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(18,0), ZIP_BITFIELD(3,19), "FPCVT",0x87c40000, 0x07040000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), "FPINT",0x87c40000, 0x07440000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_IMMFIELD(14,0), ZIP_BITFIELD(3,19), // // // // // // 16-bit instructions, high side // // // 1.1111.00010.xcc.0iiii.xxxx.xxxxx.xxxxx // 1111.1000.10xc.c0ii.iixx.xxxx.xxxx.xxxx "BRA", 0xffd40000, 0xf8800000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_OPUNUSED, "BLT", 0xffd40000, 0xf8840000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_OPUNUSED, "BRZ", 0xffd40000, 0xf8900000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_OPUNUSED, "BNZ", 0xffd40000, 0xf8940000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_OPUNUSED, // LDI 1.rrrr.1011x.ccc.iiiii -> 1rrr r101 1xcc ciii ii "CLR", 0x8787c000, 0x85800000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // JMP 1.1111.01111.ccc.1rrrr -> 1111 1011 11cc c1rr rr (Mov to PC) "JMP", 0xffc40000, 0xfbc40000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // XOR 1.rrrr.00100.ccc.01111 -> 1rrr r001 00cc c011 11 "NOT", 0x87c7c000, 0x8103c000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // General instructions, top half // 1rrr.rooo.oocc.cxrr.rr "SUB", 0x87c40000, 0x80000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "SUB", 0x87c40000, 0x80040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "AND", 0x87c40000, 0x80400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "AND", 0x87c40000, 0x80440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "ADD", 0x87c40000, 0x80800000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "ADD", 0x87c40000, 0x80840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "OR", 0x87c40000, 0x80c00000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "OR", 0x87c40000, 0x80c40000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "XOR", 0x87c40000, 0x81000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "XOR", 0x87c40000, 0x81040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "LSR", 0x87c40000, 0x81400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "LSR", 0x87c40000, 0x81440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "LSL", 0x87c40000, 0x81800000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "LSL", 0x87c40000, 0x81840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "ASR", 0x87c40000, 0x81c00000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "ASR", 0x87c40000, 0x81c40000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "LDIHI",0x87c40000, 0x82000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(5,14), ZIP_BITFIELD(2,19), "LDILO",0x87c40000, 0x82400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(5,14), ZIP_BITFIELD(2,19), // "MPYU", 0x87c40000, 0x82800000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "MPYU", 0x87c40000, 0x82840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "MPYS", 0x87c40000, 0x82c00000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "MPYS", 0x87c40000, 0x82c40000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "BREV", 0x87c40000, 0x83000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "BREV", 0x87c40000, 0x83040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "POPC", 0x87c40000, 0x83400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "POPC", 0x87c40000, 0x83440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "ROL", 0x87c40000, 0x83800000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "ROL", 0x87c40000, 0x83840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "MOV", 0x87c40000, 0x83c40000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "CMP", 0x87c40000, 0x84000000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "CMP", 0x87c40000, 0x84040000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "TST", 0x87c40000, 0x84400000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "TST", 0x87c40000, 0x84440000, ZIP_OPUNUSED, ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "LOD", 0x87c40000, 0x84840000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "STO", 0x87c40000, 0x84c40000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "DIVU", 0x87c40000, 0x85000000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "DIVU", 0x87c40000, 0x85040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "DIVS", 0x87c40000, 0x85400000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "DIVS", 0x87c40000, 0x85440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "CLR", 0x8787c000, 0x85800000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "LDI", 0x87c00000, 0x85800000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(5,14), ZIP_BITFIELD(2,19), // "NOOP", 0xf7c00000, 0xf6000000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, // "BRK", 0xf7c00000, 0xf6400000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), // "LOCK", 0xf7c00000, 0xf6800000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), // // "FPADD",0x87c40000, 0x86040000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "FPSUB",0x87c40000, 0x86440000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "FPMUL",0x87c40000, 0x86840000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "FPDIV",0x87c40000, 0x86c40000, ZIP_REGFIELD(27), ZIP_REGFIELD(27), ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "FPCVT",0x87c40000, 0x87000000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,14), ZIP_BITFIELD(2,19), "FPCVT",0x87c40000, 0x87040000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "FPINT",0x87c40000, 0x87440000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_REGFIELD(14), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // // // Illegal instruction !! "ILL", 0x00000000, 0x00000000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(32,0), ZIP_OPUNUSED }; const ZOPCODE zbottomlist[] = { // // // // 16-bit instructions, low side ... treat these as special // // // Special case instructions. These are general instructions, but with // special opcodes // Conditional branches // 1.xxxx.xxxxx.1cc.xxxxx.1111.00010.0iiii // 1xxx.xxxx.xx1c.cxxx.xx11.1100.0100.iiii "BRA", 0x80203ff0, 0x80003c40, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "BLT", 0x80383ff0, 0x80283c40, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "BRZ", 0x80383ff0, 0x80303c40, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "BNZ", 0x80383ff0, 0x80383c40, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, // "LJMP", 0x80203fff, 0x80003e5f, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, // // // CLRF ... an XOR w/ self instruction // 0.rrrr.00100.ccc.1.rrrr.iiiii--- // 0rrr r001 00cc c1rr rr00 0000 0000 0000 // "CLRF", 0xffc7cfff, 0x7907c000, ZIP_REGFIELD(27), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(3,19), // CLR -- a LDI of zero // LDI 1xxx.xxxx.xxxx.xxxx.xxrr.rroo.ooo.iiiii -> 1rrr r100 1xcc ciii ii // JMP 1xxx -- xx11.1101.1111.rrrr (Mov to PC) "JMP", 0x80203ff0, 0x80003df0, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // Conditional jump, still move to PC at issue "JMP", 0x80203ff0, 0x80203df0, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // // XOR 1xxx -- xx00.1000.1111 -> 1rrr r001 00cc c011 11 "NOT", 0x802003ff, 0x8000008f, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, "NOT", 0x802003ff, 0x8020008f, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // General instructions, bottom half // 1xxx -- xxrr.rroo.ooox.rrrr "SUB", 0x800003f0, 0x80000000, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "SUB", 0x802003f0, 0x80200000, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "SUB", 0x800003f0, 0x80000010, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "SUB", 0x802003f0, 0x80200010, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "AND", 0x800003f0, 0x80000020, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "AND", 0x802003f0, 0x80200020, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "AND", 0x800003f0, 0x80000030, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "AND", 0x802003f0, 0x80200030, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "ADD", 0x800003f0, 0x80000040, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "ADD", 0x802003f0, 0x80200040, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "ADD", 0x800003f0, 0x80000050, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "ADD", 0x802003f0, 0x80200050, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "OR", 0x800003f0, 0x80000060, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "OR", 0x802003f0, 0x80200060, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "OR", 0x800003f0, 0x80000070, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "OR", 0x802003f0, 0x80200070, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "XOR", 0x800003f0, 0x80000080, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "XOR", 0x802003f0, 0x80200080, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "XOR", 0x800003f0, 0x80000090, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "XOR", 0x802003f0, 0x80200090, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "LSR", 0x800003f0, 0x800000a0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "LSR", 0x802003f0, 0x802000a0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "LSR", 0x800003f0, 0x800000b0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "LSR", 0x802003f0, 0x802000b0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "LSL", 0x800003f0, 0x800000c0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "LSL", 0x802003f0, 0x802000c0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "LSL", 0x800003f0, 0x800000d0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "LSL", 0x802003f0, 0x802000d0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "ASR", 0x800003f0, 0x800000e0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "ASR", 0x802003f0, 0x802000e0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "ASR", 0x800003f0, 0x800000f0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "ASR", 0x802003f0, 0x802000f0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "LDIHI",0x800003e0, 0x80000100, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(5,0), ZIP_BITFIELD(2,19), "LDIHI",0x802003e0, 0x80200100, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(5,0), ZIP_OPUNUSED, // "LDILO",0x800003e0, 0x80000120, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(5,0), ZIP_BITFIELD(2,19), "LDILO",0x802003e0, 0x80200120, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(5,0), ZIP_OPUNUSED, // // "MPYU", 0x800003f0, 0x80000140, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "MPYU", 0x802003f0, 0x80200140, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "MPYU", 0x800003f0, 0x80000150, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "MPYU", 0x802003f0, 0x80200150, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "MPYS", 0x800003f0, 0x80000160, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "MPYS", 0x802003f0, 0x80200160, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "MPYS", 0x800003f0, 0x80000170, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "MPYS", 0x802003f0, 0x80200170, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "BREV", 0x800003f0, 0x80000180, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "BREV", 0x802003f0, 0x80200180, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "BREV", 0x800003f0, 0x80000190, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "BREV", 0x802003f0, 0x80200190, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "POPC", 0x800003f0, 0x800001a0, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "POPC", 0x802003f0, 0x802001a0, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "POPC", 0x800003f0, 0x800001b0, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "POPC", 0x802003f0, 0x802001b0, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "ROL", 0x800003f0, 0x800001c0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "ROL", 0x802003f0, 0x802001c0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "ROL", 0x800003f0, 0x800001d0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "ROL", 0x802003f0, 0x802001d0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "MOV", 0x800003f0, 0x800001f0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "MOV", 0x802003f0, 0x802001f0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "CMP", 0x800003f0, 0x80000200, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "CMP", 0x802003f0, 0x80200200, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "CMP", 0x800003f0, 0x80000210, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "CMP", 0x802003f0, 0x80200210, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "TST", 0x800003f0, 0x80000220, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "TST", 0x802003f0, 0x80200220, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "TST", 0x800003f0, 0x80000230, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "TST", 0x802003f0, 0x80200230, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "LOD", 0x800003f0, 0x80000250, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "LOD", 0x802003f0, 0x80200250, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "STO", 0x800003f0, 0x80000270, ZIP_OPUNUSED, ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "STO", 0x802003f0, 0x80200270, ZIP_OPUNUSED, ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "DIVU", 0x800003f0, 0x80000280, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "DIVU", 0x802003f0, 0x80200280, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "DIVU", 0x800003f0, 0x80000290, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "DIVU", 0x802003f0, 0x80200290, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "DIVS", 0x800003f0, 0x800002a0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "DIVS", 0x802003f0, 0x802002a0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "DIVS", 0x800003f0, 0x800002b0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "DIVS", 0x802003f0, 0x802002b0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, // "CLR", 0x802003df, 0x800002c0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, "CLR", 0x802003df, 0x802002c0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_BITFIELD(2,19), "LDI", 0x802003c0, 0x800002c0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(5,0), ZIP_OPUNUSED, "LDI", 0x802003c0, 0x802002c0, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(5,0), ZIP_BITFIELD(2,19), // "NOOP", 0x80003bf0, 0x80003b00, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, // "BRK", 0x80003bf0, 0x80003b20, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, // "LOCK", 0x80003bf0, 0x80003b40, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, // // FPU instructions // "FPADD",0x802003f0, 0x80000310, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, "FPADD",0x802003f0, 0x80200310, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "FPSUB",0x802003f0, 0x80000330, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, "FPSUB",0x802003f0, 0x80200330, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "FPMUL",0x802003f0, 0x80000350, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, "FPMUL",0x802003f0, 0x80200350, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // "FPDIV",0x802003f0, 0x80000370, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, "FPDIV",0x802003f0, 0x80200370, ZIP_REGFIELD(10), ZIP_REGFIELD(10), ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // Convert to floating point "FPCVT",0x802003f0, 0x80000380, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_OPUNUSED, "FPCVT",0x802003f0, 0x80200380, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(4,0), ZIP_BITFIELD(2,19), "FPCVT",0x802003f0, 0x80000390, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, "FPCVT",0x802003f0, 0x80200390, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // Convert to integer "FPINT",0x802003f0, 0x800003b0, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_OPUNUSED, "FPINT",0x802003f0, 0x802003b0, ZIP_REGFIELD(10), ZIP_OPUNUSED, ZIP_REGFIELD(0), ZIP_OPUNUSED, ZIP_BITFIELD(2,19), // // // Illegal instruction !! "ILL", 0x00000000, 0x00000000, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_OPUNUSED, ZIP_IMMFIELD(32,0), ZIP_OPUNUSED }; const int nzoplist = (sizeof(zoplist)/sizeof(ZOPCODE)); const int nzopbottom = (sizeof(zbottomlist)/sizeof(ZOPCODE)); static int getbits(const ZIPI ins, const int which) { if (which & 0x40000000) { // printf("SBITS: %08x, %08x = %08lx\n", ins, which, // sbits(ins>>(which & 0x03f), (which>>8)&0x03f)); return sbits(ins>>(which & 0x03f), (which>>8)&0x03f); } else { // if (which &0x03f) return ubits(ins>>(which & 0x03f), (which>>8)&0x03f) + ((which>>16)&0x0ff); // } else { // fprintf(stderr, "Returning an uncoded %08x\n", which); // return which; } } static void static_zipi_to_string(const ZIPI ins, char *line, const ZOPCODE *listp) { for(int i=0; i<nzoplist; i++) { if (((~zoplist[i].s_mask)&zoplist[i].s_val)!=0) { printf("Instruction %d, %s, fails consistency check\n", i, zoplist[i].s_opstr); assert(((~zoplist[i].s_mask)&zoplist[i].s_val)==0); } } line[0] = '\0'; for(int i=0; (listp[i].s_mask != 0); i++) { // printf("%2d: %6s %08x & %08x == %08x\n", // i, zoplist[i].s_opstr, ins, // zoplist[i].s_mask, zoplist[i].s_val); if ((ins & listp[i].s_mask) == listp[i].s_val) { sprintf(line, "%s", listp[i].s_opstr); if (listp[i].s_cf != ZIP_OPUNUSED) { int bv = getbits(ins, listp[i].s_cf); strcat(line, zop_ccstr[bv]); } sprintf(line, "%-11s", line); // Treat stores special if (strncasecmp("STO",listp[i].s_opstr, 3)==0) { int ra = getbits(ins, listp[i].s_ra); strcat(line, zop_regstr[ra]); strcat(line, ","); if (listp[i].s_i != ZIP_OPUNUSED) { int imv = 0; imv = getbits(ins, listp[i].s_i); if ((imv != 0)&&(listp[i].s_rb != ZIP_OPUNUSED)) sprintf(&line[strlen(line)], "$%d", imv); else if (imv != 0) sprintf(&line[strlen(line)], "($%d)", imv); } if (listp[i].s_rb != ZIP_OPUNUSED) { int rb = getbits(ins, listp[i].s_rb); sprintf(&line[strlen(line)], "(%s)", zop_regstr[rb]); } } else { bool memop = (strncasecmp("LOD", listp[i].s_opstr, 3)==0); if (listp[i].s_i != ZIP_OPUNUSED) { int imv = 0; imv = getbits(ins, listp[i].s_i); if ((imv != 0)||(listp[i].s_rb == ZIP_OPUNUSED)) sprintf(&line[strlen(line)], "$%d%s", imv, ((!memop)&&(listp[i].s_rb!=ZIP_OPUNUSED))?"+":""); } if (listp[i].s_rb != ZIP_OPUNUSED) { int rb = getbits(ins, listp[i].s_rb); if (memop) sprintf(&line[strlen(line)], "(%s)", zop_regstr[rb]); else strcat(line, zop_regstr[rb]); } if(((listp[i].s_i != ZIP_OPUNUSED)||(listp[i].s_rb != ZIP_OPUNUSED)) &&((listp[i].s_ra != ZIP_OPUNUSED)||(listp[i].s_result != ZIP_OPUNUSED))) strcat(line, ","); if (listp[i].s_ra != ZIP_OPUNUSED) { int ra = getbits(ins, listp[i].s_ra); strcat(line, zop_regstr[ra]); } else if (listp[i].s_result != ZIP_OPUNUSED) { int ra = getbits(ins, listp[i].s_result); strcat(line, zop_regstr[ra]); } } break; } } if (line[0] == '\0') { sprintf(line, "ILL %08x", ins); } } void zipi_to_string(const ZIPI ins, char *la, char *lb) { static_zipi_to_string(ins, la, zoplist); if (lb) { if (ins & 0x80000000) { static_zipi_to_string(ins, lb, zbottomlist); } else lb[0] = '\0'; } } unsigned int zop_early_branch(const unsigned int pc, const ZIPI ins) { if ((ins & 0xf8000000) != 0x78000000) return pc+1; if ((ins & 0x07c00000) == 0x05800000) // LDI, high bit clear return (ins & 0x003fffff); if ((ins & 0x07c00000) == 0x05c00000) // LDI, high bit set return (ins & 0x007fffff)|0xffc00000; // if ((ins & 0xffffe000) == 0x7bc3c000) // MOV // return ((ins & 0x001fff)|((ins&0x01000)?0xffffe000:0))+pc+1; if ((ins & 0x07fc0000) == 0x00800000) // ADD, unconditional return ((ins & 0x03ffff)|((ins&0x020000)?0xfffc0000:0))+pc+1; return pc+1; }
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