diff options
Diffstat (limited to 'misc/pascal/insn16/libinsn/pdasm.c')
-rw-r--r-- | misc/pascal/insn16/libinsn/pdasm.c | 1131 |
1 files changed, 569 insertions, 562 deletions
diff --git a/misc/pascal/insn16/libinsn/pdasm.c b/misc/pascal/insn16/libinsn/pdasm.c index 9ee8f4b63..b6c1ecb31 100644 --- a/misc/pascal/insn16/libinsn/pdasm.c +++ b/misc/pascal/insn16/libinsn/pdasm.c @@ -1,562 +1,569 @@ -/**********************************************************************
- * pdasm.c
- * P-Code Disassembler
- *
- * Copyright (C) 2008 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- **********************************************************************/
-
-#include <stdio.h>
-
-#include "keywords.h"
-#include "podefs.h"
-#include "pinsn16.h"
-#include "pfdefs.h"
-#include "pxdefs.h"
-#include "paslib.h"
-
-#include "pinsn.h"
-
-/***********************************************************************/
-
-/* These are all the format codes that apply to opcodes the an arg16 */
-
-#define NOARG16 0
-#define HEX 1
-#define DECIMAL 2
-#define UDECIMAL 3
-#define LABEL_DEC 4
-#define xOP 5
-#define lbOP 6
-#define fpOP 7
-#define COMMENT 8
-
-/* The following table defines everything that is needed to disassemble
- * a P-Code. NOTE: The order of definition in this table must exactly
- * match the declaration sequence in pinsn.h. */
-
-static const char invOp[] = "Invalid Opcode";
-static const struct
-{
- const char *opName; /* Opcode mnemonics */
- ubyte format; /* arg16 format */
-} opTable[256] =
-{
-
-/******************* OPCODES WITH NO ARGUMENTS ************************/
-/* Program control (No stack arguments) */
-
-/* 0x00 */ { "NOP ", NOARG16 },
-
-/* Arithmetic & logical & and integer conversions (One stack argument) */
-
-/* 0x01 */ { "NEG ", NOARG16 },
-/* 0x02 */ { "ABS ", NOARG16 },
-/* 0x03 */ { "INC ", NOARG16 },
-/* 0x04 */ { "DEC ", NOARG16 },
-/* 0x05 */ { "NOT ", NOARG16 },
-
-/* Arithmetic & logical (Two stack arguments) */
-
-/* 0x06 */ { "ADD ", NOARG16 },
-/* 0x07 */ { "SUB ", NOARG16 },
-/* 0x08 */ { "MUL ", NOARG16 },
-/* 0x09 */ { "DIV ", NOARG16 },
-/* 0x0a */ { "MOD ", NOARG16 },
-/* 0x0b */ { "SLL ", NOARG16 },
-/* 0x0c */ { "SRL ", NOARG16 },
-/* 0x0d */ { "SRA ", NOARG16 },
-/* 0x0e */ { "OR ", NOARG16 },
-/* 0x0f */ { "AND ", NOARG16 },
-
-/* Comparisons (One stack argument) */
-
-/* 0x10 */ { "EQUZ ", NOARG16 },
-/* 0x11 */ { "NEQZ ", NOARG16 },
-/* 0x12 */ { "LTZ ", NOARG16 },
-/* 0x13 */ { "GTEZ ", NOARG16 },
-/* 0x14 */ { "GTZ ", NOARG16 },
-/* 0x15 */ { "LTEZ ", NOARG16 },
-/* 0x16 */ { invOp, NOARG16 },
-/* 0x17 */ { invOp, NOARG16 },
-
-/* Comparisons (Two stack arguments) */
-
-/* 0x18 */ { "EQU ", NOARG16 },
-/* 0x19 */ { "NEQ ", NOARG16 },
-/* 0x1a */ { "LT ", NOARG16 },
-/* 0x1b */ { "GTE ", NOARG16 },
-/* 0x1c */ { "GT ", NOARG16 },
-/* 0x1d */ { "LTE ", NOARG16 },
-/* 0x1e */ { invOp, NOARG16 },
-/* 0x1f */ { "BIT ", NOARG16 },
-
-/* Load (One) or Store (Two stack argument) */
-
-/* 0x20 */ { "LDI ", NOARG16 },
-/* 0x21 */ { "LDIH", NOARG16 },
-/* 0x22 */ { "LDIB", NOARG16 },
-/* 0x23 */ { "LDIM", NOARG16 },
-/* 0x24 */ { "STI ", NOARG16 },
-/* 0x25 */ { "STIH", NOARG16 },
-/* 0x26 */ { "STIB", NOARG16 },
-/* 0x27 */ { "STIM", NOARG16 },
-
-/* Data stack operations */
-
-/* 0x29 */ { "DUP ", NOARG16 },
-/* 0x29 */ { "DUPH ", NOARG16 },
-/* 0x2a */ { "PUSHS", NOARG16 },
-/* 0x2b */ { "POPS", NOARG16 },
-/* 0x2c */ { invOp, NOARG16 },
-/* 0x2d */ { invOp, NOARG16 },
-/* 0x2e */ { invOp, NOARG16 },
-/* 0x2f */ { "RET ", NOARG16 },
-
-/* 0x30 */ { invOp, NOARG16 },
-/* 0x31 */ { invOp, NOARG16 },
-/* 0x32 */ { invOp, NOARG16 },
-/* 0x33 */ { invOp, NOARG16 },
-/* 0x34 */ { invOp, NOARG16 },
-/* 0x35 */ { invOp, NOARG16 },
-/* 0x36 */ { invOp, NOARG16 },
-/* 0x37 */ { invOp, NOARG16 },
-/* 0x38 */ { invOp, NOARG16 },
-
-/* System Functions (No stack arguments) */
-
-/* 0x39 */ { invOp, NOARG16 },
-/* 0x3a */ { invOp, NOARG16 },
-/* 0x3b */ { invOp, NOARG16 },
-/* 0x3c */ { invOp, NOARG16 },
-/* 0x3d */ { invOp, NOARG16 },
-/* 0x3e */ { invOp, NOARG16 },
-/* 0x3f */ { "EXIT ", NOARG16 },
-
-/************** OPCODES WITH SINGLE BYTE ARGUMENT (arg8) ***************/
-
-/* 0x40 */ { invOp, NOARG16 },
-/* 0x41 */ { invOp, NOARG16 },
-/* 0x42 */ { invOp, NOARG16 },
-/* 0x43 */ { invOp, NOARG16 },
-/* 0x44 */ { invOp, NOARG16 },
-/* 0x45 */ { invOp, NOARG16 },
-/* 0x46 */ { invOp, NOARG16 },
-/* 0x47 */ { invOp, NOARG16 },
-/* 0x48 */ { invOp, NOARG16 },
-/* 0x49 */ { invOp, NOARG16 },
-/* 0x4a */ { invOp, NOARG16 },
-/* 0x4b */ { invOp, NOARG16 },
-/* 0x4c */ { invOp, NOARG16 },
-/* 0x4d */ { invOp, NOARG16 },
-/* 0x4e */ { invOp, NOARG16 },
-/* 0x4f */ { invOp, NOARG16 },
-
-/* 0x50 */ { invOp, NOARG16 },
-/* 0x51 */ { invOp, NOARG16 },
-/* 0x52 */ { invOp, NOARG16 },
-/* 0x53 */ { invOp, NOARG16 },
-/* 0x54 */ { invOp, NOARG16 },
-/* 0x55 */ { invOp, NOARG16 },
-/* 0x56 */ { invOp, NOARG16 },
-/* 0x57 */ { invOp, NOARG16 },
-/* 0x58 */ { invOp, NOARG16 },
-/* 0x59 */ { invOp, NOARG16 },
-/* 0x5a */ { invOp, NOARG16 },
-/* 0x5b */ { invOp, NOARG16 },
-/* 0x5c */ { invOp, NOARG16 },
-/* 0x5d */ { invOp, NOARG16 },
-/* 0x5e */ { invOp, NOARG16 },
-/* 0x5f */ { invOp, NOARG16 },
-
-/* Data stack: arg8 = 8 bit unsigned data (no stack arguments) */
-
-/* 0x60 */ { invOp, NOARG16 },
-/* 0x61 */ { invOp, NOARG16 },
-/* 0x62 */ { invOp, NOARG16 },
-/* 0x63 */ { invOp, NOARG16 },
-/* 0x64 */ { invOp, NOARG16 },
-/* 0x65 */ { invOp, NOARG16 },
-/* 0x66 */ { invOp, NOARG16 },
-/* 0x67 */ { invOp, NOARG16 },
-/* 0x68 */ { invOp, NOARG16 },
-/* 0x69 */ { invOp, NOARG16 },
-/* 0x6a */ { invOp, NOARG16 },
-/* 0x6b */ { invOp, NOARG16 },
-/* 0x6c */ { invOp, NOARG16 },
-/* 0x6d */ { invOp, NOARG16 },
-/* 0x6e */ { invOp, NOARG16 },
-/* 0x6f */ { invOp, NOARG16 },
-
-/* Floating Point Operations: arg8 = FP op-code */
-
-/* 0x70 */ { "FLOAT", fpOP },
-/* 0x71 */ { invOp, NOARG16 },
-/* 0x72 */ { invOp, NOARG16 },
-/* 0x73 */ { invOp, NOARG16 },
-/* 0x74 */ { "PUSHB", NOARG16 },
-/* 0x75 */ { invOp, NOARG16 },
-/* 0x76 */ { invOp, NOARG16 },
-/* 0x77 */ { invOp, NOARG16 },
-
-/* 0x78 */ { invOp, NOARG16 },
-/* 0x79 */ { invOp, NOARG16 },
-/* 0x7a */ { invOp, NOARG16 },
-/* 0x7b */ { invOp, NOARG16 },
-/* 0x7c */ { invOp, NOARG16 },
-/* 0x7d */ { invOp, NOARG16 },
-/* 0x7e */ { invOp, NOARG16 },
-/* 0x7f */ { invOp, NOARG16 },
-
-/************ OPCODES WITH SINGLE 16-BIT ARGUMENT (arg16) ************/
-
-/* 0x80 */ { invOp, NOARG16 },
-/* 0x81 */ { invOp, NOARG16 },
-/* 0x82 */ { invOp, NOARG16 },
-/* 0x83 */ { invOp, NOARG16 },
-/* 0x84 */ { invOp, NOARG16 },
-/* 0x85 */ { invOp, NOARG16 },
-/* 0x86 */ { invOp, NOARG16 },
-/* 0x87 */ { invOp, NOARG16 },
-/* 0x88 */ { invOp, NOARG16 },
-/* 0x89 */ { invOp, NOARG16 },
-/* 0x8a */ { invOp, NOARG16 },
-/* 0x8b */ { invOp, NOARG16 },
-/* 0x8c */ { invOp, NOARG16 },
-/* 0x8d */ { invOp, NOARG16 },
-/* 0x8e */ { invOp, NOARG16 },
-/* 0x8f */ { invOp, NOARG16 },
-
-/* Program control: arg16 = unsigned label (One stack argument) */
-
-/* 0x90 */ { "JEQUZ", HEX },
-/* 0x91 */ { "JNEQZ", HEX },
-/* 0x92 */ { "JLTZ ", HEX },
-/* 0x93 */ { "JGTEZ", HEX },
-/* 0x94 */ { "JGTZ ", HEX },
-/* 0x95 */ { "JLTEZ", HEX },
-
-/* Program control: arg16 = unsigned label (no stack arguments) */
-
-/* 0x96 */ { "JMP ", HEX },
-/* 0x97 */ { invOp, NOARG16 },
-
-/* Program control: arg16 = unsigned label (One stack argument) */
-
-/* 0x98 */ { "JEQU ", HEX },
-/* 0x99 */ { "JNEQ ", HEX },
-/* 0x9a */ { "JLT ", HEX },
-/* 0x9b */ { "JGTE ", HEX },
-/* 0x9c */ { "JGT ", HEX },
-/* 0x9d */ { "JLTE ", HEX },
-/* 0x9e */ { invOp, NOARG16 },
-/* 0x9f */ { invOp, NOARG16 },
-
-/* Data stack: arg16 = 16 bit signed data (no stack arguments) */
-
-/* Load: arg16 = unsigned base offset (no stack arguments) */
-
-/* 0xa0 */ { "LD ", UDECIMAL },
-/* 0xa1 */ { "LDH ", UDECIMAL },
-/* 0xa2 */ { "LDB ", UDECIMAL },
-/* 0xa3 */ { "LDM ", UDECIMAL },
-
-/* Store: arg16 = unsigned base offset (One stack arguments) */
-
-/* 0xa4 */ { "ST ", UDECIMAL },
-/* 0xa5 */ { "STH ", UDECIMAL },
-/* 0xa6 */ { "STB ", UDECIMAL },
-/* 0xa7 */ { "STM ", UDECIMAL },
-
-/* Load Indexed: arg16 = unsigned base offset (One stack arguments) */
-
-/* 0xa8 */ { "LDX ", UDECIMAL },
-/* 0xa9 */ { "LDXH ", UDECIMAL },
-/* 0xaa */ { "LDXB ", UDECIMAL },
-/* 0xab */ { "LDXM ", UDECIMAL },
-
-/* Store Indexed: arg16 = unsigned base offset (Two stack arguments) */
-
-/* 0xac */ { "STX ", UDECIMAL },
-/* 0xad */ { "STXH ", UDECIMAL },
-/* 0xae */ { "STXB ", UDECIMAL },
-/* 0xaf */ { "STXM ", UDECIMAL },
-
-/* 0xb0 */ { "LA ", UDECIMAL },
-/* 0xb1 */ { "LAC ", HEX, },
-/* 0xb2 */ { invOp, NOARG16 },
-/* 0xb3 */ { invOp, NOARG16 },
-/* 0xb4 */ { "PUSH ", DECIMAL },
-/* 0xb5 */ { "INDS ", DECIMAL },
-/* 0xb6 */ { invOp, NOARG16 },
-/* 0xb7 */ { invOp, NOARG16 },
-/* 0xb8 */ { "LAX ", UDECIMAL },
-
-/* System operations: arg16 = 16-bit library function identifer */
-
-/* 0xb9 */ { "LIB ", lbOP, },
-/* 0xba */ { invOp, NOARG16 },
-/* 0xbb */ { invOp, NOARG16 },
-/* 0xbc */ { invOp, NOARG16 },
-/* 0xbd */ { invOp, NOARG16 },
-/* 0xbe */ { invOp, NOARG16 },
-
-/* Program control: arg16 = unsigned label (no stack arguments) */
-
-/* 0xbf */ { "LABEL", LABEL_DEC },
-
-/**** OPCODES WITH BYTE ARGUMENT (arg8) AND 16-BIT ARGUMENT (arg16) ****/
-
-/* 0xc0 */ { invOp, NOARG16 },
-/* 0xc1 */ { invOp, NOARG16 },
-/* 0xc2 */ { invOp, NOARG16 },
-/* 0xc3 */ { invOp, NOARG16 },
-/* 0xc4 */ { invOp, NOARG16 },
-/* 0xc5 */ { invOp, NOARG16 },
-/* 0xc6 */ { invOp, NOARG16 },
-/* 0xc7 */ { invOp, NOARG16 },
-
-/* Program Control: arg8 = level; arg16 = unsigned label (No stack
- * arguments */
-
-/* 0xc8 */ { "PCAL ", HEX },
-/* 0xc9 */ { invOp, NOARG16 },
-/* 0xca */ { invOp, NOARG16 },
-/* 0xcb */ { invOp, NOARG16 },
-/* 0xcc */ { invOp, NOARG16 },
-/* 0xcd */ { invOp, NOARG16 },
-/* 0xce */ { invOp, NOARG16 },
-/* 0xcf */ { invOp, NOARG16 },
-
-/* 0xd0 */ { invOp, NOARG16 },
-/* 0xd1 */ { invOp, NOARG16 },
-/* 0xd2 */ { invOp, NOARG16 },
-/* 0xd3 */ { invOp, NOARG16 },
-/* 0xd4 */ { invOp, NOARG16 },
-/* 0xd5 */ { invOp, NOARG16 },
-/* 0xd6 */ { invOp, NOARG16 },
-/* 0xd7 */ { invOp, NOARG16 },
-/* 0xd8 */ { invOp, NOARG16 },
-/* 0xd9 */ { invOp, NOARG16 },
-/* 0xda */ { invOp, NOARG16 },
-/* 0xdb */ { invOp, NOARG16 },
-/* 0xdc */ { invOp, NOARG16 },
-/* 0xdd */ { invOp, NOARG16 },
-/* 0xde */ { invOp, NOARG16 },
-/* 0xdf */ { invOp, NOARG16 },
-
-/* Load: arg8 = level; arg16 = signed frame offset (no stack arguments) */
-
-/* 0xe0 */ { "LDS ", DECIMAL },
-/* 0xe1 */ { "LDSH ", DECIMAL },
-/* 0xe2 */ { "LDSB ", DECIMAL },
-/* 0xe3 */ { "LDSM ", DECIMAL },
-
-/* Store: arg8 = level; arg16 = signed frame offset (One stack arguments) */
-
-/* 0xe4 */ { "STS ", DECIMAL },
-/* 0xe5 */ { "STSH ", DECIMAL },
-/* 0xe6 */ { "STSB ", DECIMAL },
-/* 0xe7 */ { "STSM ", DECIMAL },
-
-/* Load Indexed: arg8 = level; arg16 = signed frame offset (One stack arguments) */
-
-/* 0xe8 */ { "LDSX ", DECIMAL },
-/* 0xe9 */ { "LDSXH", DECIMAL },
-/* 0xea */ { "LDSXB", DECIMAL },
-/* 0xeb */ { "LDSXM", DECIMAL },
-
-/* Store Indexed: arg8 = level; arg16 = signed frame offset (Two stack arguments) */
-
-/* 0xec */ { "STSX ", DECIMAL },
-/* 0xed */ { "STSXH", DECIMAL },
-/* 0xee */ { "STSXB", DECIMAL },
-/* 0xef */ { "STSXM", DECIMAL },
-
-/* Load Address: arg8 = level; arg16 = signed frame offset (no stack arguments) */
-
-/* 0xf0 */ { "LAS ", DECIMAL },
-/* 0xf1 */ { invOp, NOARG16 },
-/* 0xf2 */ { invOp, NOARG16 },
-/* 0xf3 */ { invOp, NOARG16 },
-/* 0xf4 */ { invOp, NOARG16 },
-/* 0xf5 */ { invOp, NOARG16 },
-/* 0xf6 */ { invOp, NOARG16 },
-/* 0xf7 */ { invOp, NOARG16 },
-/* 0xf8 */ { "LASX ", DECIMAL },
-
-/* System Functions: (No stack arguments)
- * For SYSIO: arg8 = file number; arg16 = sub-function code
- */
-
-/* 0xf9 */ { "SYSIO", xOP, },
-/* 0xfa */ { invOp, NOARG16 },
-/* 0xfb */ { invOp, NOARG16 },
-/* 0xfc */ { invOp, NOARG16 },
-/* 0xfd */ { invOp, NOARG16 },
-/* 0xfe */ { invOp, NOARG16 },
-
-/* Psuedo-operations:
- * For LINE: arg8 = file number; arg16 = line number
- */
-
-/* 0xff */ { "LINE ", COMMENT },
-};
-
-static const char invXOp[] = "Invalid SYSIO";
-static const char *xName[MAX_XOP] = { /* SYSIO opcode mnemonics */
-/* 0x00 */ invXOp, "EOF", "EOLN", "RESET",
-/* 0x04 */ "REWRITE", invXOp, invXOp, invXOp,
-/* 0x08 */ invXOp, invXOp, invXOp, invXOp,
-/* 0x0c */ invXOp, invXOp, invXOp, invXOp,
-/* 0x10 */ "READLN", "READPG", "READBIN", "READINT",
-/* 0x14 */ "READCHR", "READSTR", "READRL", invXOp,
-/* 0x18 */ invXOp, invXOp, invXOp, invXOp,
-/* 0x1c */ invXOp, invXOp, invXOp, invXOp,
-/* 0x20 */ "WRITELN", "WRITEPG", "WRITEBIN", "WRITEINT",
-/* 0x24 */ "WRITECHR", "WRITESTR", "WRITERL" };
-
-static const char invLbOp[] = "Invalid runtime code";
-static const char *lbName[MAX_LBOP] = { /* LIB opcode mnemonics */
-/* 0x00 */ "GETENV", "STR2STR", "CSTR2STR", "STR2RSTR",
-/* 0x04 */ "CSTR2RSTR", "VAL", "MKSTK", "MKSTKSTR",
-/* 0x08 */ "MKSTKC", "STRCAT", "STRCATC", "STRCMP" };
-
-static const char invFpOp[] = "Invalid FP Operation";
-static const char *fpName[MAX_FOP] = {
-/* 0x00 */ invFpOp, "FLOAT", "TRUNC", "ROUND",
-/* 0x04 */ "ADD", "SUB", "MUL", "DIV",
-/* 0x08 */ "MOD", invFpOp, "EQU", "NEQ",
-/* 0x0c */ "LT", "GTE", "GT", "LTE",
-/* 0x10 */ "NEG", "ABS", "SQR", "SQRT",
-/* 0x14 */ "SIN", "COS", "ATAN", "LN",
-/* 0x18 */ "EXP" };
-
-/***********************************************************************/
-
-void insn_DisassemblePCode(FILE* lfile, OPTYPE *pop)
-{
- /* Indent, comment or label */
-
- switch (opTable[pop->op].format)
- {
- case LABEL_DEC :
- fprintf(lfile, "L%04x: ", pop->arg2);
- break;
- case COMMENT :
- fprintf(lfile, "; ");
- break;
- default :
- fprintf(lfile, " ");
- } /* end switch */
-
- /* Special Case Comment line format */
-
- if (opTable[pop->op].format == COMMENT)
- {
- fprintf(lfile, "%s ", opTable[pop->op].opName);
- if (pop->op & o8)
- {
- fprintf(lfile, "%d", pop->arg1);
- if (pop->op & o16)
- fprintf(lfile, ":%d", pop->arg2);
- } /* end if */
- else if (pop->op & o16)
- fprintf(lfile, "%d", pop->arg2);
- } /* end if */
-
- /* Print normal opCode mnemonic */
-
- else
- {
- fprintf(lfile, "%s ", opTable[pop->op].opName);
-
- /* Print pop->arg1 (if present) */
-
- if (pop->op & o8) fprintf(lfile, "%d", pop->arg1);
-
- /* Print ar16 (if present) */
-
- if (pop->op & o16)
- {
- switch (opTable[pop->op].format)
- {
- case HEX :
- if (pop->op & o8) fprintf(lfile, ", ");
- fprintf(lfile, "0x%04x", pop->arg2);
- break;
-
- case COMMENT :
- case DECIMAL :
- if (pop->op & o8) fprintf(lfile, ", ");
- fprintf(lfile, "%ld", signExtend16(pop->arg2));
- break;
-
- case UDECIMAL :
- if (pop->op & o8) fprintf(lfile, ", ");
- fprintf(lfile, "%u", pop->arg2);
- break;
-
- case fpOP :
- if ((pop->arg1 & fpMASK) < MAX_FOP)
- fprintf(lfile, " %s", fpName[(pop->arg1 & 0x3f)]);
- else
- fprintf(lfile, " %s", invFpOp);
- break;
-
- case xOP :
- if (pop->arg2 < MAX_XOP)
- fprintf(lfile, ", %s", xName[pop->arg2]);
- else
- fprintf(lfile, ", %s", invXOp);
- break;
-
- case lbOP :
- if (pop->arg2 < MAX_LBOP)
- fprintf(lfile, "%s", lbName[pop->arg2]);
- else
- fprintf(lfile, "%s", invLbOp);
- break;
-
- case LABEL_DEC :
- default :
- break;
- } /* end switch */
- } /* end if */
- } /* end else */
-
- /* Don't forget the newline! */
-
- fputc('\n', lfile);
-
-} /* end dissassemblePcode */
-
-/***********************************************************************/
+/********************************************************************** + * pdasm.c + * P-Code Disassembler + * + * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + **********************************************************************/ + +/*********************************************************************** + * Included Files + ***********************************************************************/ + +#include <stdint.h> +#include <stdio.h> + +#include "keywords.h" +#include "podefs.h" +#include "pinsn16.h" +#include "pfdefs.h" +#include "pxdefs.h" +#include "paslib.h" + +#include "pinsn.h" + +/*********************************************************************** + * Pre-processor Definitions + ***********************************************************************/ + +/* These are all the format codes that apply to opcodes the an arg16 */ + +#define NOARG16 0 +#define HEX 1 +#define DECIMAL 2 +#define UDECIMAL 3 +#define LABEL_DEC 4 +#define xOP 5 +#define lbOP 6 +#define fpOP 7 +#define COMMENT 8 + +/* The following table defines everything that is needed to disassemble + * a P-Code. NOTE: The order of definition in this table must exactly + * match the declaration sequence in pinsn.h. */ + +static const char invOp[] = "Invalid Opcode"; +static const struct +{ + const char *opName; /* Opcode mnemonics */ + uint8_t format; /* arg16 format */ +} opTable[256] = +{ + +/******************* OPCODES WITH NO ARGUMENTS ************************/ +/* Program control (No stack arguments) */ + +/* 0x00 */ { "NOP ", NOARG16 }, + +/* Arithmetic & logical & and integer conversions (One stack argument) */ + +/* 0x01 */ { "NEG ", NOARG16 }, +/* 0x02 */ { "ABS ", NOARG16 }, +/* 0x03 */ { "INC ", NOARG16 }, +/* 0x04 */ { "DEC ", NOARG16 }, +/* 0x05 */ { "NOT ", NOARG16 }, + +/* Arithmetic & logical (Two stack arguments) */ + +/* 0x06 */ { "ADD ", NOARG16 }, +/* 0x07 */ { "SUB ", NOARG16 }, +/* 0x08 */ { "MUL ", NOARG16 }, +/* 0x09 */ { "DIV ", NOARG16 }, +/* 0x0a */ { "MOD ", NOARG16 }, +/* 0x0b */ { "SLL ", NOARG16 }, +/* 0x0c */ { "SRL ", NOARG16 }, +/* 0x0d */ { "SRA ", NOARG16 }, +/* 0x0e */ { "OR ", NOARG16 }, +/* 0x0f */ { "AND ", NOARG16 }, + +/* Comparisons (One stack argument) */ + +/* 0x10 */ { "EQUZ ", NOARG16 }, +/* 0x11 */ { "NEQZ ", NOARG16 }, +/* 0x12 */ { "LTZ ", NOARG16 }, +/* 0x13 */ { "GTEZ ", NOARG16 }, +/* 0x14 */ { "GTZ ", NOARG16 }, +/* 0x15 */ { "LTEZ ", NOARG16 }, +/* 0x16 */ { invOp, NOARG16 }, +/* 0x17 */ { invOp, NOARG16 }, + +/* Comparisons (Two stack arguments) */ + +/* 0x18 */ { "EQU ", NOARG16 }, +/* 0x19 */ { "NEQ ", NOARG16 }, +/* 0x1a */ { "LT ", NOARG16 }, +/* 0x1b */ { "GTE ", NOARG16 }, +/* 0x1c */ { "GT ", NOARG16 }, +/* 0x1d */ { "LTE ", NOARG16 }, +/* 0x1e */ { invOp, NOARG16 }, +/* 0x1f */ { "BIT ", NOARG16 }, + +/* Load (One) or Store (Two stack argument) */ + +/* 0x20 */ { "LDI ", NOARG16 }, +/* 0x21 */ { "LDIH", NOARG16 }, +/* 0x22 */ { "LDIB", NOARG16 }, +/* 0x23 */ { "LDIM", NOARG16 }, +/* 0x24 */ { "STI ", NOARG16 }, +/* 0x25 */ { "STIH", NOARG16 }, +/* 0x26 */ { "STIB", NOARG16 }, +/* 0x27 */ { "STIM", NOARG16 }, + +/* Data stack operations */ + +/* 0x29 */ { "DUP ", NOARG16 }, +/* 0x29 */ { "DUPH ", NOARG16 }, +/* 0x2a */ { "PUSHS", NOARG16 }, +/* 0x2b */ { "POPS", NOARG16 }, +/* 0x2c */ { invOp, NOARG16 }, +/* 0x2d */ { invOp, NOARG16 }, +/* 0x2e */ { invOp, NOARG16 }, +/* 0x2f */ { "RET ", NOARG16 }, + +/* 0x30 */ { invOp, NOARG16 }, +/* 0x31 */ { invOp, NOARG16 }, +/* 0x32 */ { invOp, NOARG16 }, +/* 0x33 */ { invOp, NOARG16 }, +/* 0x34 */ { invOp, NOARG16 }, +/* 0x35 */ { invOp, NOARG16 }, +/* 0x36 */ { invOp, NOARG16 }, +/* 0x37 */ { invOp, NOARG16 }, +/* 0x38 */ { invOp, NOARG16 }, + +/* System Functions (No stack arguments) */ + +/* 0x39 */ { invOp, NOARG16 }, +/* 0x3a */ { invOp, NOARG16 }, +/* 0x3b */ { invOp, NOARG16 }, +/* 0x3c */ { invOp, NOARG16 }, +/* 0x3d */ { invOp, NOARG16 }, +/* 0x3e */ { invOp, NOARG16 }, +/* 0x3f */ { "EXIT ", NOARG16 }, + +/************** OPCODES WITH SINGLE BYTE ARGUMENT (arg8) ***************/ + +/* 0x40 */ { invOp, NOARG16 }, +/* 0x41 */ { invOp, NOARG16 }, +/* 0x42 */ { invOp, NOARG16 }, +/* 0x43 */ { invOp, NOARG16 }, +/* 0x44 */ { invOp, NOARG16 }, +/* 0x45 */ { invOp, NOARG16 }, +/* 0x46 */ { invOp, NOARG16 }, +/* 0x47 */ { invOp, NOARG16 }, +/* 0x48 */ { invOp, NOARG16 }, +/* 0x49 */ { invOp, NOARG16 }, +/* 0x4a */ { invOp, NOARG16 }, +/* 0x4b */ { invOp, NOARG16 }, +/* 0x4c */ { invOp, NOARG16 }, +/* 0x4d */ { invOp, NOARG16 }, +/* 0x4e */ { invOp, NOARG16 }, +/* 0x4f */ { invOp, NOARG16 }, + +/* 0x50 */ { invOp, NOARG16 }, +/* 0x51 */ { invOp, NOARG16 }, +/* 0x52 */ { invOp, NOARG16 }, +/* 0x53 */ { invOp, NOARG16 }, +/* 0x54 */ { invOp, NOARG16 }, +/* 0x55 */ { invOp, NOARG16 }, +/* 0x56 */ { invOp, NOARG16 }, +/* 0x57 */ { invOp, NOARG16 }, +/* 0x58 */ { invOp, NOARG16 }, +/* 0x59 */ { invOp, NOARG16 }, +/* 0x5a */ { invOp, NOARG16 }, +/* 0x5b */ { invOp, NOARG16 }, +/* 0x5c */ { invOp, NOARG16 }, +/* 0x5d */ { invOp, NOARG16 }, +/* 0x5e */ { invOp, NOARG16 }, +/* 0x5f */ { invOp, NOARG16 }, + +/* Data stack: arg8 = 8 bit unsigned data (no stack arguments) */ + +/* 0x60 */ { invOp, NOARG16 }, +/* 0x61 */ { invOp, NOARG16 }, +/* 0x62 */ { invOp, NOARG16 }, +/* 0x63 */ { invOp, NOARG16 }, +/* 0x64 */ { invOp, NOARG16 }, +/* 0x65 */ { invOp, NOARG16 }, +/* 0x66 */ { invOp, NOARG16 }, +/* 0x67 */ { invOp, NOARG16 }, +/* 0x68 */ { invOp, NOARG16 }, +/* 0x69 */ { invOp, NOARG16 }, +/* 0x6a */ { invOp, NOARG16 }, +/* 0x6b */ { invOp, NOARG16 }, +/* 0x6c */ { invOp, NOARG16 }, +/* 0x6d */ { invOp, NOARG16 }, +/* 0x6e */ { invOp, NOARG16 }, +/* 0x6f */ { invOp, NOARG16 }, + +/* Floating Point Operations: arg8 = FP op-code */ + +/* 0x70 */ { "FLOAT", fpOP }, +/* 0x71 */ { invOp, NOARG16 }, +/* 0x72 */ { invOp, NOARG16 }, +/* 0x73 */ { invOp, NOARG16 }, +/* 0x74 */ { "PUSHB", NOARG16 }, +/* 0x75 */ { invOp, NOARG16 }, +/* 0x76 */ { invOp, NOARG16 }, +/* 0x77 */ { invOp, NOARG16 }, + +/* 0x78 */ { invOp, NOARG16 }, +/* 0x79 */ { invOp, NOARG16 }, +/* 0x7a */ { invOp, NOARG16 }, +/* 0x7b */ { invOp, NOARG16 }, +/* 0x7c */ { invOp, NOARG16 }, +/* 0x7d */ { invOp, NOARG16 }, +/* 0x7e */ { invOp, NOARG16 }, +/* 0x7f */ { invOp, NOARG16 }, + +/************ OPCODES WITH SINGLE 16-BIT ARGUMENT (arg16) ************/ + +/* 0x80 */ { invOp, NOARG16 }, +/* 0x81 */ { invOp, NOARG16 }, +/* 0x82 */ { invOp, NOARG16 }, +/* 0x83 */ { invOp, NOARG16 }, +/* 0x84 */ { invOp, NOARG16 }, +/* 0x85 */ { invOp, NOARG16 }, +/* 0x86 */ { invOp, NOARG16 }, +/* 0x87 */ { invOp, NOARG16 }, +/* 0x88 */ { invOp, NOARG16 }, +/* 0x89 */ { invOp, NOARG16 }, +/* 0x8a */ { invOp, NOARG16 }, +/* 0x8b */ { invOp, NOARG16 }, +/* 0x8c */ { invOp, NOARG16 }, +/* 0x8d */ { invOp, NOARG16 }, +/* 0x8e */ { invOp, NOARG16 }, +/* 0x8f */ { invOp, NOARG16 }, + +/* Program control: arg16 = unsigned label (One stack argument) */ + +/* 0x90 */ { "JEQUZ", HEX }, +/* 0x91 */ { "JNEQZ", HEX }, +/* 0x92 */ { "JLTZ ", HEX }, +/* 0x93 */ { "JGTEZ", HEX }, +/* 0x94 */ { "JGTZ ", HEX }, +/* 0x95 */ { "JLTEZ", HEX }, + +/* Program control: arg16 = unsigned label (no stack arguments) */ + +/* 0x96 */ { "JMP ", HEX }, +/* 0x97 */ { invOp, NOARG16 }, + +/* Program control: arg16 = unsigned label (One stack argument) */ + +/* 0x98 */ { "JEQU ", HEX }, +/* 0x99 */ { "JNEQ ", HEX }, +/* 0x9a */ { "JLT ", HEX }, +/* 0x9b */ { "JGTE ", HEX }, +/* 0x9c */ { "JGT ", HEX }, +/* 0x9d */ { "JLTE ", HEX }, +/* 0x9e */ { invOp, NOARG16 }, +/* 0x9f */ { invOp, NOARG16 }, + +/* Data stack: arg16 = 16 bit signed data (no stack arguments) */ + +/* Load: arg16 = unsigned base offset (no stack arguments) */ + +/* 0xa0 */ { "LD ", UDECIMAL }, +/* 0xa1 */ { "LDH ", UDECIMAL }, +/* 0xa2 */ { "LDB ", UDECIMAL }, +/* 0xa3 */ { "LDM ", UDECIMAL }, + +/* Store: arg16 = unsigned base offset (One stack arguments) */ + +/* 0xa4 */ { "ST ", UDECIMAL }, +/* 0xa5 */ { "STH ", UDECIMAL }, +/* 0xa6 */ { "STB ", UDECIMAL }, +/* 0xa7 */ { "STM ", UDECIMAL }, + +/* Load Indexed: arg16 = unsigned base offset (One stack arguments) */ + +/* 0xa8 */ { "LDX ", UDECIMAL }, +/* 0xa9 */ { "LDXH ", UDECIMAL }, +/* 0xaa */ { "LDXB ", UDECIMAL }, +/* 0xab */ { "LDXM ", UDECIMAL }, + +/* Store Indexed: arg16 = unsigned base offset (Two stack arguments) */ + +/* 0xac */ { "STX ", UDECIMAL }, +/* 0xad */ { "STXH ", UDECIMAL }, +/* 0xae */ { "STXB ", UDECIMAL }, +/* 0xaf */ { "STXM ", UDECIMAL }, + +/* 0xb0 */ { "LA ", UDECIMAL }, +/* 0xb1 */ { "LAC ", HEX, }, +/* 0xb2 */ { invOp, NOARG16 }, +/* 0xb3 */ { invOp, NOARG16 }, +/* 0xb4 */ { "PUSH ", DECIMAL }, +/* 0xb5 */ { "INDS ", DECIMAL }, +/* 0xb6 */ { invOp, NOARG16 }, +/* 0xb7 */ { invOp, NOARG16 }, +/* 0xb8 */ { "LAX ", UDECIMAL }, + +/* System operations: arg16 = 16-bit library function identifer */ + +/* 0xb9 */ { "LIB ", lbOP, }, +/* 0xba */ { invOp, NOARG16 }, +/* 0xbb */ { invOp, NOARG16 }, +/* 0xbc */ { invOp, NOARG16 }, +/* 0xbd */ { invOp, NOARG16 }, +/* 0xbe */ { invOp, NOARG16 }, + +/* Program control: arg16 = unsigned label (no stack arguments) */ + +/* 0xbf */ { "LABEL", LABEL_DEC }, + +/**** OPCODES WITH BYTE ARGUMENT (arg8) AND 16-BIT ARGUMENT (arg16) ****/ + +/* 0xc0 */ { invOp, NOARG16 }, +/* 0xc1 */ { invOp, NOARG16 }, +/* 0xc2 */ { invOp, NOARG16 }, +/* 0xc3 */ { invOp, NOARG16 }, +/* 0xc4 */ { invOp, NOARG16 }, +/* 0xc5 */ { invOp, NOARG16 }, +/* 0xc6 */ { invOp, NOARG16 }, +/* 0xc7 */ { invOp, NOARG16 }, + +/* Program Control: arg8 = level; arg16 = unsigned label (No stack + * arguments */ + +/* 0xc8 */ { "PCAL ", HEX }, +/* 0xc9 */ { invOp, NOARG16 }, +/* 0xca */ { invOp, NOARG16 }, +/* 0xcb */ { invOp, NOARG16 }, +/* 0xcc */ { invOp, NOARG16 }, +/* 0xcd */ { invOp, NOARG16 }, +/* 0xce */ { invOp, NOARG16 }, +/* 0xcf */ { invOp, NOARG16 }, + +/* 0xd0 */ { invOp, NOARG16 }, +/* 0xd1 */ { invOp, NOARG16 }, +/* 0xd2 */ { invOp, NOARG16 }, +/* 0xd3 */ { invOp, NOARG16 }, +/* 0xd4 */ { invOp, NOARG16 }, +/* 0xd5 */ { invOp, NOARG16 }, +/* 0xd6 */ { invOp, NOARG16 }, +/* 0xd7 */ { invOp, NOARG16 }, +/* 0xd8 */ { invOp, NOARG16 }, +/* 0xd9 */ { invOp, NOARG16 }, +/* 0xda */ { invOp, NOARG16 }, +/* 0xdb */ { invOp, NOARG16 }, +/* 0xdc */ { invOp, NOARG16 }, +/* 0xdd */ { invOp, NOARG16 }, +/* 0xde */ { invOp, NOARG16 }, +/* 0xdf */ { invOp, NOARG16 }, + +/* Load: arg8 = level; arg16 = signed frame offset (no stack arguments) */ + +/* 0xe0 */ { "LDS ", DECIMAL }, +/* 0xe1 */ { "LDSH ", DECIMAL }, +/* 0xe2 */ { "LDSB ", DECIMAL }, +/* 0xe3 */ { "LDSM ", DECIMAL }, + +/* Store: arg8 = level; arg16 = signed frame offset (One stack arguments) */ + +/* 0xe4 */ { "STS ", DECIMAL }, +/* 0xe5 */ { "STSH ", DECIMAL }, +/* 0xe6 */ { "STSB ", DECIMAL }, +/* 0xe7 */ { "STSM ", DECIMAL }, + +/* Load Indexed: arg8 = level; arg16 = signed frame offset (One stack arguments) */ + +/* 0xe8 */ { "LDSX ", DECIMAL }, +/* 0xe9 */ { "LDSXH", DECIMAL }, +/* 0xea */ { "LDSXB", DECIMAL }, +/* 0xeb */ { "LDSXM", DECIMAL }, + +/* Store Indexed: arg8 = level; arg16 = signed frame offset (Two stack arguments) */ + +/* 0xec */ { "STSX ", DECIMAL }, +/* 0xed */ { "STSXH", DECIMAL }, +/* 0xee */ { "STSXB", DECIMAL }, +/* 0xef */ { "STSXM", DECIMAL }, + +/* Load Address: arg8 = level; arg16 = signed frame offset (no stack arguments) */ + +/* 0xf0 */ { "LAS ", DECIMAL }, +/* 0xf1 */ { invOp, NOARG16 }, +/* 0xf2 */ { invOp, NOARG16 }, +/* 0xf3 */ { invOp, NOARG16 }, +/* 0xf4 */ { invOp, NOARG16 }, +/* 0xf5 */ { invOp, NOARG16 }, +/* 0xf6 */ { invOp, NOARG16 }, +/* 0xf7 */ { invOp, NOARG16 }, +/* 0xf8 */ { "LASX ", DECIMAL }, + +/* System Functions: (No stack arguments) + * For SYSIO: arg8 = file number; arg16 = sub-function code + */ + +/* 0xf9 */ { "SYSIO", xOP, }, +/* 0xfa */ { invOp, NOARG16 }, +/* 0xfb */ { invOp, NOARG16 }, +/* 0xfc */ { invOp, NOARG16 }, +/* 0xfd */ { invOp, NOARG16 }, +/* 0xfe */ { invOp, NOARG16 }, + +/* Psuedo-operations: + * For LINE: arg8 = file number; arg16 = line number + */ + +/* 0xff */ { "LINE ", COMMENT }, +}; + +static const char invXOp[] = "Invalid SYSIO"; +static const char *xName[MAX_XOP] = { /* SYSIO opcode mnemonics */ +/* 0x00 */ invXOp, "EOF", "EOLN", "RESET", +/* 0x04 */ "REWRITE", invXOp, invXOp, invXOp, +/* 0x08 */ invXOp, invXOp, invXOp, invXOp, +/* 0x0c */ invXOp, invXOp, invXOp, invXOp, +/* 0x10 */ "READLN", "READPG", "READBIN", "READINT", +/* 0x14 */ "READCHR", "READSTR", "READRL", invXOp, +/* 0x18 */ invXOp, invXOp, invXOp, invXOp, +/* 0x1c */ invXOp, invXOp, invXOp, invXOp, +/* 0x20 */ "WRITELN", "WRITEPG", "WRITEBIN", "WRITEINT", +/* 0x24 */ "WRITECHR", "WRITESTR", "WRITERL" }; + +static const char invLbOp[] = "Invalid runtime code"; +static const char *lbName[MAX_LBOP] = { /* LIB opcode mnemonics */ +/* 0x00 */ "GETENV", "STR2STR", "CSTR2STR", "STR2RSTR", +/* 0x04 */ "CSTR2RSTR", "VAL", "MKSTK", "MKSTKSTR", +/* 0x08 */ "MKSTKC", "STRCAT", "STRCATC", "STRCMP" }; + +static const char invFpOp[] = "Invalid FP Operation"; +static const char *fpName[MAX_FOP] = { +/* 0x00 */ invFpOp, "FLOAT", "TRUNC", "ROUND", +/* 0x04 */ "ADD", "SUB", "MUL", "DIV", +/* 0x08 */ "MOD", invFpOp, "EQU", "NEQ", +/* 0x0c */ "LT", "GTE", "GT", "LTE", +/* 0x10 */ "NEG", "ABS", "SQR", "SQRT", +/* 0x14 */ "SIN", "COS", "ATAN", "LN", +/* 0x18 */ "EXP" }; + +/***********************************************************************/ + +void insn_DisassemblePCode(FILE* lfile, OPTYPE *pop) +{ + /* Indent, comment or label */ + + switch (opTable[pop->op].format) + { + case LABEL_DEC : + fprintf(lfile, "L%04x: ", pop->arg2); + break; + case COMMENT : + fprintf(lfile, "; "); + break; + default : + fprintf(lfile, " "); + } /* end switch */ + + /* Special Case Comment line format */ + + if (opTable[pop->op].format == COMMENT) + { + fprintf(lfile, "%s ", opTable[pop->op].opName); + if (pop->op & o8) + { + fprintf(lfile, "%d", pop->arg1); + if (pop->op & o16) + fprintf(lfile, ":%d", pop->arg2); + } /* end if */ + else if (pop->op & o16) + fprintf(lfile, "%d", pop->arg2); + } /* end if */ + + /* Print normal opCode mnemonic */ + + else + { + fprintf(lfile, "%s ", opTable[pop->op].opName); + + /* Print pop->arg1 (if present) */ + + if (pop->op & o8) fprintf(lfile, "%d", pop->arg1); + + /* Print ar16 (if present) */ + + if (pop->op & o16) + { + switch (opTable[pop->op].format) + { + case HEX : + if (pop->op & o8) fprintf(lfile, ", "); + fprintf(lfile, "0x%04x", pop->arg2); + break; + + case COMMENT : + case DECIMAL : + if (pop->op & o8) fprintf(lfile, ", "); + fprintf(lfile, "%ld", signExtend16(pop->arg2)); + break; + + case UDECIMAL : + if (pop->op & o8) fprintf(lfile, ", "); + fprintf(lfile, "%u", pop->arg2); + break; + + case fpOP : + if ((pop->arg1 & fpMASK) < MAX_FOP) + fprintf(lfile, " %s", fpName[(pop->arg1 & 0x3f)]); + else + fprintf(lfile, " %s", invFpOp); + break; + + case xOP : + if (pop->arg2 < MAX_XOP) + fprintf(lfile, ", %s", xName[pop->arg2]); + else + fprintf(lfile, ", %s", invXOp); + break; + + case lbOP : + if (pop->arg2 < MAX_LBOP) + fprintf(lfile, "%s", lbName[pop->arg2]); + else + fprintf(lfile, "%s", invLbOp); + break; + + case LABEL_DEC : + default : + break; + } /* end switch */ + } /* end if */ + } /* end else */ + + /* Don't forget the newline! */ + + fputc('\n', lfile); + +} /* end dissassemblePcode */ + +/***********************************************************************/ |