mirror of
https://github.com/fadden/ciderpress.git
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297 lines
7.9 KiB
C++
297 lines
7.9 KiB
C++
/*
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* CiderPress
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* Copyright (C) 2007 by faddenSoft, LLC. All Rights Reserved.
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* See the file LICENSE for distribution terms.
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*/
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/*
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* Reformat assembly-language source code.
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*/
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#ifndef REFORMAT_ASM_H
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#define REFORMAT_ASM_H
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#include "ReformatBase.h"
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/*
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* Base class for assembly source conversion.
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*
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* We want to tab to certain offsets, either hard coded or found in the source
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* file. To make this work right we want to buffer each line of output. The
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* maximum line length is bounded by the editor.
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*/
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class ReformatAsm : public ReformatText {
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public:
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ReformatAsm(void) : fOutBuf(), fOutBufIndex(0) {}
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virtual ~ReformatAsm(void) {}
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void OutputStart(void) {
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fOutBufIndex = 0;
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memset(fOutBuf, ' ', kMaxLineLen);
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}
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void OutputFinish(void) {
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Output('\0');
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}
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void Output(char ch) {
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if (fOutBufIndex < kMaxLineLen)
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fOutBuf[fOutBufIndex++] = ch;
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}
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void Output(const char* str) {
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int len = strlen(str);
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if (fOutBufIndex + len > kMaxLineLen)
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len = kMaxLineLen - fOutBufIndex;
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if (len > 0) {
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memcpy(fOutBuf + fOutBufIndex, str, len);
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fOutBufIndex += len;
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}
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}
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void OutputTab(int posn) {
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if (posn < kMaxLineLen && posn > fOutBufIndex)
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fOutBufIndex = posn;
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else
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Output(' '); // always at least one
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}
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const char* GetOutBuf(void) const { return fOutBuf; }
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private:
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enum {
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kMaxLineLen = 128,
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};
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char fOutBuf[kMaxLineLen+1];
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int fOutBufIndex;
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};
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/*
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* Reformat an S-C Assembler listing into readable text.
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*/
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class ReformatSCAssem : public ReformatText {
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public:
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ReformatSCAssem(void) {}
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virtual ~ReformatSCAssem(void) {}
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virtual void Examine(ReformatHolder* pHolder) override;
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virtual int Process(const ReformatHolder* pHolder,
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ReformatHolder::ReformatID id, ReformatHolder::ReformatPart part,
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ReformatOutput* pOutput) override;
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/* this gets called by Integer BASIC converter */
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static bool IsSCAssem(const ReformatHolder* pHolder);
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};
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/*
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* Reformat Merlin listing to have tabs.
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*/
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class ReformatMerlin : public ReformatAsm {
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public:
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ReformatMerlin(void) {}
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virtual ~ReformatMerlin(void) {}
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virtual void Examine(ReformatHolder* pHolder) override;
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virtual int Process(const ReformatHolder* pHolder,
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ReformatHolder::ReformatID id, ReformatHolder::ReformatPart part,
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ReformatOutput* pOutput) override;
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private:
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static bool IsMerlin(const ReformatHolder* pHolder);
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};
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/*
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* Reformat LISA v2 (DOS) sources.
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*/
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class ReformatLISA2 : public ReformatAsm {
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public:
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ReformatLISA2(void) {}
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virtual ~ReformatLISA2(void) {}
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virtual void Examine(ReformatHolder* pHolder) override;
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virtual int Process(const ReformatHolder* pHolder,
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ReformatHolder::ReformatID id, ReformatHolder::ReformatPart part,
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ReformatOutput* pOutput) override;
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private:
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bool IsLISA(const ReformatHolder* pHolder);
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enum {
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kOpTab = 9,
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kAdTab = 13,
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kComTab = 39,
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};
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void ProcessLine(const uint8_t* buf);
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};
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/*
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* Reformat LISA v3 (ProDOS) sources.
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*/
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class ReformatLISA3 : public ReformatAsm {
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public:
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ReformatLISA3(void) : fSymTab(NULL), fSymCount(0) {}
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virtual ~ReformatLISA3(void) {}
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virtual void Examine(ReformatHolder* pHolder) override;
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virtual int Process(const ReformatHolder* pHolder,
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ReformatHolder::ReformatID id, ReformatHolder::ReformatPart part,
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ReformatOutput* pOutput) override;
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static bool IsLISA(const ReformatHolder* pHolder);
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private:
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typedef enum OperandResult {
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kResultUnknown = 0,
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kResultFailed,
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kResultGotoOutOprtr,
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kResultGotoOutOprnd,
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} OperandResult;
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void ProcessLine(const uint8_t* codePtr, int len);
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void ConvertOperand(uint8_t mnemonic, const uint8_t** pCodePtr,
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int* pLen);
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OperandResult PrintNum(int adrsMode, uint8_t val,
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const uint8_t** pCodePtr, int* pLen);
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OperandResult PrintComplexOperand(uint8_t opr,
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const uint8_t** pCodePtr, int* pLen);
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void PrintSymEntry(int ent);
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void PrintMnemonic(uint8_t val);
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void PrintBin(uint8_t val);
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void PrintComment(int adrsMode, const uint8_t* ptr, int len);
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enum {
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kHeaderLen = 4,
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kOpTab = 9,
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kAdTab = 18,
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kComTab = 40,
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};
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/* token constants, from LISA.MNEMONICS */
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enum {
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kLCLTKN = 0xF0,
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kLBLTKN = 0xFA,
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// 0xFB used to indicate "second half" of symbol table
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kMACTKN = 0xFC,
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// 0xFD used to indicate "second half" of symbol table
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kCMNTTKN = 0xFE,
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kSN = 0x00,
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kSS = 0xB0,
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kGROUP1 = 0x00,
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kGROUP2 = 0x0b,
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kGROUP3 = 0x11,
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kGROUP4 = 0x24,
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kGROUP5 = 0x29,
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kGROUP6 = 0x34,
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kGROUP7 = 0x39,
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kGROUP8 = 0x3f,
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kGROUP9 = 0x4a,
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};
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const uint8_t* fSymTab;
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uint16_t fSymCount;
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};
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/*
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* Reformat LISA v4/v5 (ProDOS and GS/OS) sources.
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*/
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class ReformatLISA4 : public ReformatAsm {
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public:
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ReformatLISA4(void) :
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fSymTab(NULL),
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fSymCount(0),
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fOpTab(0),
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fAdTab(0),
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fComTab(0),
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fCpuType(0)
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{}
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virtual ~ReformatLISA4(void) { delete[] fSymTab; }
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virtual void Examine(ReformatHolder* pHolder) override;
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virtual int Process(const ReformatHolder* pHolder,
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ReformatHolder::ReformatID id, ReformatHolder::ReformatPart part,
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ReformatOutput* pOutput) override;
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static bool IsLISA(const ReformatHolder* pHolder);
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private:
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enum {
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kHeaderLen = 16,
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};
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/* token constants, from MNEMONICS.A */
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enum {
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kBigndec4_tkn = 0x00,
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kBignhex4_tkn = 0x01,
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kBignbin4_tkn = 0x02,
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kBignhexs_tkn = 0x03,
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kBignstring_tkn = 0x04,
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kDec1_tkn = 0x1a,
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kDec2_tkn = 0x1b,
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kHex1_tkn = 0x1c,
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kHex2_tkn = 0x1d,
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kBin1_tkn = 0x1e,
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kBin2_tkn = 0x1f,
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kBign_tkn = 0x33,
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kDec3_tkn = 0x34,
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kHex3_tkn = 0x35,
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kBin3_tkn = 0x36,
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kcABS_tkn = 0x37,
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kcLONG_tkn = 0x38,
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kMVN_tkn = 0x41,
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kMVP_tkn = 0x42,
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kMacE_tkn = 0x5e,
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kStr31_tkn = 0x7f,
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kSS = 0x90,
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//kGROUP1_tkns = 0x01,
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//kGROUP2_tkns = 0x0c,
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kGROUP3_tkns = 0x12,
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//kGROUP4_tkns = 0x29,
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kGROUP5_tkns = 0x30,
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kGROUP6_tkns = 0x43,
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//kGROUP7_tkns = 0x4a,
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//kGROUP8_tkns = 0x51,
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//kGROUP9_tkns = 0x5f,
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kLocalTKN = 0xf0,
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kLabelTKN = 0xfa,
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kMacroTKN = 0xfc,
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kErrlnTKN = 0xfd, // "is BlankTKN by itself"
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kBlankTKN = 0xfd,
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kCommentTKN = 0xfe,
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kComntStarTKN = 0xfe,
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kComntSemiTKN = 0xff,
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};
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typedef enum OperandResult {
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kResultUnknown = 0,
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kResultFailed,
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kResultGotoOutOprtr,
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kResultGotoOutOprnd,
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} OperandResult;
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void ProcessLine(const uint8_t* codePtr, int len);
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void ConvertOperand(uint8_t mnemonic, const uint8_t** pCodePtr,
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int* pLen);
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void PrintSymEntry(int ent);
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OperandResult PrintNum(uint8_t opr, const uint8_t** pCodePtr,
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int* pLen);
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OperandResult PrintComplexOperand(uint8_t opr,
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const uint8_t** pCodePtr, int* pLen);
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void PrintDec(int count, const uint8_t** pCodePtr, int* pLen);
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void PrintHex(int count, const uint8_t** pCodePtr, int* pLen);
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void PrintBin(int count, const uint8_t** pCodePtr, int* pLen);
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const uint8_t** fSymTab;
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uint16_t fSymCount;
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uint8_t fOpTab;
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uint8_t fAdTab;
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uint8_t fComTab;
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uint8_t fCpuType;
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};
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#endif /*REFORMAT_ASM_H*/
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