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Disassembler.cpp
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Disassembler.cpp
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//============================================================================
// Copyright 2015 by Joseph Forgione
// This file is part of VCC (Virtual Color Computer).
//
// VCC is free software: 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.
//
// VCC is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY 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 VCC (Virtual Color Computer). If not, see
// <http://www.gnu.org/licenses/>.
//
// Disassembly Display - Part of the Debugger package for VCC
// Author: Ed Jaquay
//============================================================================
#include <Windows.h>
#include <Windowsx.h>
#include <commdlg.h>
#include <Richedit.h>
#include <string>
#include <iostream>
#include <sstream>
#include <iomanip>
#include "defines.h"
#include "vcc.h"
#include "resource.h"
#include "logger.h"
#include "tcc1014mmu.h"
#include "Debugger.h"
#include "DebuggerUtils.h"
#include "OpDecoder.h"
#include "Disassembler.h"
#include "Audio.h"
#define HEXSTR(i,w) Debugger::ToHexString(i,w,true)
#define MAXLINES 400
namespace VCC {
/**************************************************/
/* Local Function Templates */
/**************************************************/
// Dialogs
INT_PTR CALLBACK DisassemblerDlgProc(HWND,UINT,WPARAM,LPARAM);
INT_PTR CALLBACK BreakpointsDlgProc(HWND,UINT,WPARAM,LPARAM);
// Functions used to subclass controls
LRESULT CALLBACK SubEditDlgProc(HWND,UINT,WPARAM,LPARAM);
LRESULT CALLBACK SubTextDlgProc(HWND,UINT,WPARAM,LPARAM);
WNDPROC AddrDlgProc;
WNDPROC BlocDlgProc;
WNDPROC TextDlgProc;
// Handler for address and count edit boxes
BOOL ProcEditDlg(WNDPROC,HWND,UINT,WPARAM,LPARAM);
// Handler for disassembly text richedit control
BOOL ProcTextDlg(WNDPROC,HWND,UINT,WPARAM,LPARAM);
// Addressing mode and converters
void ToggleAddrMode();
void EnableBlockEdit(bool);
int CpuBlock(int);
int CpuToReal(int);
int RealToCpu(int);
int HexToUint(char *);
// Disassembler and helpers
void DecodeAddr();
void Disassemble(unsigned short, unsigned short);
int DecodeModHdr(unsigned short, unsigned short, std::string *mhdr);
// Establish text line
int FindAdrLine(int);
void SetCurrentLine();
// Breakpoint control
void RemoveHaltpoint(int);
void SetHaltpoint(bool);
void RefreshHPlist();
void ListHaltpoints();
void FindHaltpoints();
bool IsBreakpoint(int);
// Highlighting
void HighlightPC();
void UnHighlightPC();
void HighlightLine(int,COLORREF,int);
// Information / Error line
void SetErrorText(const char *);
void SetInfoText(const char *);
// String functions used for decode
std::string PadRight(std::string const&,size_t);
std::string OpFDB(int,std::string,std::string,std::string);
std::string OpFCB(int,std::string,std::string);
std::string FmtLine(int,std::string,std::string,std::string,std::string);
/**************************************************/
/* Static Variables */
/**************************************************/
CriticalSection Section_;
HINSTANCE hVccInst;
// Dialog and control handles
HWND hDismDlg = NULL; // Disassembler Dialog
HWND hBrkpDlg = NULL; // Breakpoints Dialog
HWND hEdtAddr = NULL; // From editbox
HWND hEdtBloc = NULL; // Bock number editbox
HWND hEdtAPPY = NULL; // Apply button
HWND hDisText = NULL; // Richedit20 box for output
HWND hErrText = NULL; // Error text box
// RealAdrMode indicates what addressing was used for decode
bool RealAdrMode = FALSE;
// Os9Decode indicates block and offset used for start address
bool Os9Decode = FALSE;
// Line highlight status
int HighlightedPC = -1;
int PClinePos = 0;
int TrackingDisabled = 0;
// MMUregs at time of the last decode
MMUState MMUregs;
// Default Info/Text line content, current brush and color
char initTxt[] = "Address and Block are hexadecimal";
HBRUSH hbrErrorTxt = NULL;
COLORREF ErrorTxtColor = RGB(0,0,0);
// Decode data
std::string sDecoded = {}; // Disassembly string
int NumDisLines = 0; // Number of lines in disassembly;
int DisLinePos[MAXLINES]; // Start positions of disassembly lines
int DisLineAdr[MAXLINES]; // Instruction addresses of disassembly lines
int CurrentLineNum=-1; // CurrentLineNum selected. (-1 == none)
// mHaltpoints container.
// A new style breakpoint is named 'Haltpoint' to avoid conflict
// with the breakpoints structure used by the source code debugger.
// The real address and instruction at the breakpoint are saved.
// Haltpoints are stored in Haltpoints std::map container. Haltpoints
// are active when the cpu is in run state and are inactive
// when the cpu is halted.
struct Haltpoint
{
int addr; // Real address
int lpos; // Char index into text
unsigned char instr;
bool placed;
bool exists;
};
std::map<int,Haltpoint> mHaltpoints{};
void ApplyHaltPoint(Haltpoint &,bool);
// Help text
char DbgHelp[] =
"'Real Mem' checkbox selects Real vs CPU Addressing.\n"
"'Os9 mode' checkbox selects OS9 module disassembly.\n"
"'Address' is where address or block offset is entered.\n"
"When Os9 and Real Mem both set use Offset and Block.\n"
"Decode (or Enter key) decodes from the set address.\n"
"CPU must be paused for tracking the PC register.\n"
"To enable/disable PC register tracking press 'T'.\n\n"
"The following hot keys can be used:\n\n"
" 'P' Pause the CPU.\n"
" 'G' Go - unpause the CPU.\n"
" 'S' Step to next instruction while paused.\n"
" 'B' Set breakpoint at selected line.\n"
" 'R' Remove breakpoint at selected line.\n"
" 'L' Start Breakpoints list window.\n"
" 'M' Toggle between real and CPU address mode.\n"
" 'T' Toggle CPU tracking ON/OFF.\n"
" 'I' Shows Processor State window.\n"
" 'K' Removes (kills) all breakpoints.\n";
/**************************************************/
/* Create Disassembler Dialog Window */
/**************************************************/
void
OpenDisassemblerWindow(HINSTANCE hInstance, HWND hParent)
{
hVccInst = hInstance;
if (hDismDlg == NULL) {
hDismDlg = CreateDialog ( hInstance,
MAKEINTRESOURCE(IDD_DISASSEMBLER),
hParent,
DisassemblerDlgProc );
ShowWindow(hDismDlg, SW_SHOWNORMAL);
}
SetFocus(hDismDlg);
}
/**************************************************/
/* Dialog Processing */
/**************************************************/
INT_PTR CALLBACK DisassemblerDlgProc
(HWND hDlg,UINT msg,WPARAM wPrm,LPARAM lPrm)
{
switch (msg) {
case WM_INITDIALOG:
// Grab control handles
hEdtAddr = GetDlgItem(hDlg, IDC_EDIT_PC_ADDR);
hEdtBloc = GetDlgItem(hDlg, IDC_EDIT_BLOCK);
hEdtAPPY = GetDlgItem(hDlg, IDAPPLY);
hDisText = GetDlgItem(hDlg, IDC_DISASSEMBLY_TEXT);
hErrText = GetDlgItem(hDlg, IDC_ERROR_TEXT);
// Hook (subclass) text controls
AddrDlgProc = (WNDPROC) GetWindowLongPtr(hEdtAddr,GWLP_WNDPROC);
BlocDlgProc = (WNDPROC) GetWindowLongPtr(hEdtBloc,GWLP_WNDPROC);
TextDlgProc = (WNDPROC) GetWindowLongPtr(hDisText,GWLP_WNDPROC);
SetWindowLongPtr(hEdtAddr,GWLP_WNDPROC,(LONG_PTR) SubEditDlgProc);
SetWindowLongPtr(hEdtBloc,GWLP_WNDPROC,(LONG_PTR) SubEditDlgProc);
SetWindowLongPtr(hDisText,GWLP_WNDPROC,(LONG_PTR) SubTextDlgProc);
// Set Consolas font (fixed) in disassembly edit box
CHARFORMAT disfmt;
disfmt.cbSize = sizeof(disfmt);
SendMessage(hDisText,EM_GETCHARFORMAT,(WPARAM) SCF_DEFAULT,(LPARAM) &disfmt);
strcpy(disfmt.szFaceName,"Consolas");
disfmt.yHeight=180;
SendMessage(hDisText,EM_SETCHARFORMAT,(WPARAM) SCF_DEFAULT,(LPARAM) &disfmt);
// Inital values in text boxes
SetWindowTextA(hDisText,"");
SetInfoText(initTxt);
// Disable Block edit box until needed
EnableBlockEdit(FALSE);
// Start a timer for showing current status
SetTimer(hDlg, IDT_BRKP_TIMER, 250, (TIMERPROC)NULL);
break;
case WM_PAINT:
// Give edit control focus
SetFocus(hEdtAddr);
SendMessage(hEdtAddr,EM_SETSEL,0,-1); //Select contents
return FALSE;
case WM_CTLCOLORSTATIC:
if ((HWND)lPrm == hErrText) {
HDC hdc = (HDC) wPrm;
if (hbrErrorTxt==NULL)
hbrErrorTxt = CreateSolidBrush(GetSysColor(COLOR_3DFACE));
SetTextColor(hdc,ErrorTxtColor);
SetBkColor(hdc,GetSysColor(COLOR_3DFACE));
return (INT_PTR) hbrErrorTxt;
}
break;
case WM_COMMAND:
switch (LOWORD(wPrm)) {
case IDCLOSE:
case WM_DESTROY:
KillHaltpoints();
EmuState.Debugger.Enable_Halt(false);
DestroyWindow(hDlg);
hDismDlg = NULL;
return FALSE;
case IDAPPLY:
DecodeAddr();
SetFocus(hEdtAddr);
return TRUE;
case IDC_BTN_OS9:
if (IsDlgButtonChecked(hDismDlg,IDC_BTN_OS9)==BST_CHECKED) {
Os9Decode = TRUE;
EnableBlockEdit(RealAdrMode);
} else {
Os9Decode = FALSE;
EnableBlockEdit(FALSE);
}
return TRUE;
case IDC_PHYS_MEM:
if (IsDlgButtonChecked(hDlg,IDC_PHYS_MEM)==BST_CHECKED) {
RealAdrMode = TRUE;
EnableBlockEdit(Os9Decode);
} else {
RealAdrMode = FALSE;
EnableBlockEdit(FALSE);
}
return TRUE;
case IDC_BTN_HELP:
MessageBox(hDismDlg,DbgHelp,"Usage",0);
SetFocus(hEdtAddr);
return TRUE;
}
break;
case WM_TIMER:
if (wPrm == IDT_BRKP_TIMER) {
HighlightPC();
return TRUE;
}
break;
}
return FALSE;
}
/***************************************************/
/* Process edit control messages */
/***************************************************/
LRESULT CALLBACK SubEditDlgProc(HWND hCtl,UINT msg,WPARAM wPrm,LPARAM lPrm)
{
HWND nxtctl;
char ch;
switch (msg) {
case WM_CHAR:
ch = toupper(wPrm);
// Hex digits made uppercase in edit text
if (strchr("0123456789ABCDEF",ch)) {
wPrm = ch;
break;
}
// Hot keys sent to disassembly text window
if (strchr("GPSLMIKT",ch)) {
SendMessage(hDisText,msg,ch,lPrm);
return TRUE;
}
// Other characters
switch (ch) {
// Enter does the disassembly
case VK_RETURN:
DecodeAddr();
return TRUE;
// Tab moves between active edit boxes
case VK_TAB:
SetInfoText(initTxt);
if (hCtl==hEdtAddr && RealAdrMode && Os9Decode) {
nxtctl = hEdtBloc;
} else {
nxtctl = hEdtAddr;
}
SetFocus(nxtctl);
SendMessage(nxtctl,EM_SETSEL,0,-1); //Select contents
return TRUE;
// keys used by edit control
case VK_BACK:
case VK_LEFT:
case VK_RIGHT:
break;
// ignore unmatched keys
default:
return TRUE;
}
break;
case WM_KEYDOWN:
switch (wPrm) {
case VK_DOWN:
case VK_UP:
SetFocus(hDisText);
SendMessage(hDisText,msg,wPrm,lPrm);
return TRUE;
}
break;
case WM_KEYUP:
switch (wPrm) {
case VK_DOWN:
case VK_UP:
SetFocus(hDisText);
SendMessage(hDisText,msg,wPrm,lPrm);
return TRUE;
}
break;
}
// Everything else sent to original control processing
if (hCtl == hEdtAddr)
return CallWindowProc(AddrDlgProc,hCtl,msg,wPrm,lPrm);
if (hCtl == hEdtBloc)
return CallWindowProc(BlocDlgProc,hCtl,msg,wPrm,lPrm);
return TRUE;
}
/***************************************************/
/* Process Disassembly window messages */
/***************************************************/
LRESULT CALLBACK SubTextDlgProc(HWND hCtl,UINT msg,WPARAM wPrm,LPARAM lPrm)
{
switch (msg) {
case WM_CHAR:
switch (toupper(wPrm)) {
case 'B':
SetHaltpoint(true);
return TRUE;
break;
// Remove Breakpoint
case 'R':
SetHaltpoint(false);
return TRUE;
break;
// Show Procesor State Window
case 'I':
SendMessage(GetWindow(hDismDlg,GW_OWNER),
WM_COMMAND,ID_PROCESSOR_STATE,0);
SetFocus(hEdtAddr);
return TRUE;
break;
// Remove all haltpoints
case 'K':
KillHaltpoints();
return TRUE;
break;
// List haltpoints
case 'L':
ListHaltpoints();
return TRUE;
break;
case 'M':
ToggleAddrMode();
return TRUE;
break;
// Toggle pause go
case 'G':
if (EmuState.Debugger.IsHalted()) {
PauseAudio(0);
EmuState.Debugger.QueueRun();
}
return TRUE;
break;
case 'P':
if (!EmuState.Debugger.IsHalted()) {
EmuState.Debugger.QueueHalt();
PauseAudio(1);
}
return TRUE;
break;
// Step
case 'S':
EmuState.Debugger.QueueStep();
UnHighlightPC();
return TRUE;
break;
case 'T':
TrackingDisabled = (TrackingDisabled==1) ? 0:1;
return TRUE;
break;
case VK_TAB:
SetFocus(hEdtAddr);
return TRUE;
break;
}
break;
case WM_LBUTTONUP:
SetCurrentLine();
break;
case WM_KEYUP:
switch (wPrm) {
case VK_PRIOR:
case VK_NEXT:
case VK_DOWN:
case VK_UP:
SetCurrentLine();
break;
}
break;
}
// Forward messages to original control
return CallWindowProc(TextDlgProc,hCtl,msg,wPrm,lPrm);
}
/**************************************************/
/* Breakpoints list Dialog Processing */
/**************************************************/
INT_PTR CALLBACK BreakpointsDlgProc
(HWND hDlg,UINT msg,WPARAM wPrm,LPARAM lPrm)
{
int sel;
HWND hList;
char buf[64];
switch (msg) {
case WM_COMMAND:
switch (LOWORD(wPrm)) {
case IDCLOSE:
case WM_DESTROY:
DestroyWindow(hDlg);
hBrkpDlg = NULL;
break;
case IDC_BTN_DEL_BREAKPOINT:
hList = GetDlgItem(hDlg,IDC_LIST_BREAKPOINTS);
sel = SendMessage(hList,LB_GETCURSEL,0,0);
SendMessage(hList,LB_GETTEXT, sel, (LPARAM) &buf);
buf[6]='\0';
RemoveHaltpoint(HexToUint(buf));
RefreshHPlist();
return true;
break;
}
}
return false;
}
/**************************************************/
/* Set Error text */
/**************************************************/
void SetErrorText(const char * txt) {
ErrorTxtColor = RGB(255,0,0);
SendMessage(hDismDlg,WM_CTLCOLORSTATIC,
(WPARAM) GetDC(hErrText),(LPARAM) hErrText);
SetWindowTextA(hErrText,txt);
}
/**************************************************/
/* Set Infomation text */
/**************************************************/
void SetInfoText(const char * txt) {
ErrorTxtColor = RGB(0,0,0);
SendMessage(hDismDlg,WM_CTLCOLORSTATIC,
(WPARAM) GetDC(hErrText),(LPARAM) hErrText);
SetWindowTextA(hErrText,txt);
}
/**************************************************/
/* Enable/Disable Block edit box */
/**************************************************/
void EnableBlockEdit(bool flag) {
if (flag) {
EnableWindow(hEdtBloc,TRUE);
SetFocus(hEdtBloc);
SendMessage(hEdtBloc,EM_SETSEL,0,-1); //Select contents
} else {
EnableWindow(hEdtBloc,FALSE);
SetFocus(hEdtAddr);
SendMessage(hEdtAddr,EM_SETSEL,0,-1); //Select contents
}
return;
}
/***************************************************/
/* Toggle address mode between CPU and Real */
/***************************************************/
void ToggleAddrMode()
{
char buf[16];
int addr;
int block;
int tmpadr;
// Get real or CPU address of top line
GetWindowText(hEdtAddr, buf, 8);
addr = HexToUint(buf);
// Map address to CPU if possible
if (RealAdrMode) {
// Adjust for block addressing
if (Os9Decode) {
GetWindowTextA(hEdtBloc,buf, 8);
block = HexToUint(buf);
addr += block * 0x2000;
}
// Convert to CPU address
tmpadr = RealToCpu(addr);
if (tmpadr < 0) {
SetErrorText("Address not Mapped by MMU");
return;
}
addr = tmpadr;
RealAdrMode = false;
Button_SetCheck(GetDlgItem(hDismDlg,IDC_PHYS_MEM),BST_UNCHECKED);
EnableBlockEdit(FALSE);
// Map address to real
} else {
// Convert to Real address
tmpadr = CpuToReal(addr);
// Adjust for block addressing
if (Os9Decode) {
block = (tmpadr >> 13);
addr = tmpadr & 0x1FFF;
EnableBlockEdit(TRUE);
} else {
addr = tmpadr;
block = 0;
}
SetWindowText(hEdtBloc,HEXSTR(block,0).c_str());
RealAdrMode = true;
Button_SetCheck(GetDlgItem(hDismDlg,IDC_PHYS_MEM),BST_CHECKED);
}
SetWindowText(hEdtAddr,HEXSTR(addr,0).c_str());
DecodeAddr();
}
/***************************************************/
/* Convert Cpu address to real address */
/***************************************************/
int CpuToReal(int cpuadr) {
int block = CpuBlock(cpuadr);
int offset = cpuadr & 0x1FFF;
return offset + block * 0x2000;
}
/***************************************************/
/* Get block from CPU address */
/***************************************************/
int CpuBlock(int cpuadr)
{
int mmublk = (cpuadr>>13) & 7;
if (MMUregs.ActiveTask == 0) {
return MMUregs.Task0[mmublk];
} else {
return MMUregs.Task1[mmublk];
}
}
/***************************************************/
/* Convert real address to cpu address */
/***************************************************/
int RealToCpu(int realaddr)
{
int offset = realaddr & 0x1FFF;
int block = (unsigned) realaddr >> 13;
int cpuadr;
int i;
for (i=0; i<8; i++) {
if (MMUregs.ActiveTask == 0) {
if (MMUregs.Task0[i] == block) break;
} else {
if (MMUregs.Task1[i] == block) break;
}
}
if (i < 8) {
cpuadr = i * 0x2000 + offset;
} else {
cpuadr = -1;
}
return cpuadr;
}
/*******************************************************/
/* Highlight a disassembly line */
/*******************************************************/
void HighlightLine(int lpos, COLORREF color, int flags) {
// flags
// bit 0 set make bold
// bit 1 set make visible
// Get current caret location and selection
DWORD SelMin;
DWORD SelMax;
SendMessage(hDisText,EM_GETSEL,(WPARAM) &SelMin,(LPARAM) &SelMax);
CHARFORMATA fmt;
fmt.cbSize = sizeof(fmt);
fmt.crTextColor = color;
// Flags first bit make bold
if (flags & 1) {
fmt.dwEffects = CFE_BOLD;
} else {
fmt.dwEffects = 0;
}
fmt.dwMask = CFM_COLOR | CFM_BOLD;
SendMessage(hDisText,EM_SETSEL,lpos,lpos+6);
SendMessage(hDisText,EM_SETCHARFORMAT,SCF_SELECTION,(LPARAM) &fmt);
// Flags second bit make visible
if (flags & 2) {
HWND f = GetFocus();
SetFocus(hDisText);
SendMessage(hDisText,EM_LINESCROLL,0,0);
if (f) SetFocus(f);
}
// Restore original selection.
SendMessage(hDisText,EM_SETSEL,(WPARAM) SelMin,(LPARAM) SelMax);
}
/*******************************************************/
/* Find address match in disassembly */
/*******************************************************/
int FindAdrLine(int adr)
{
// If someone is bored this could be a binary search
for (int line=0; line < NumDisLines; line++) {
if (DisLineAdr[line] == adr) return line;
}
return MAXLINES; // Indicates failure
}
/*******************************************************/
/* Test for breakpoint at real address */
/*******************************************************/
bool IsBreakpoint(int realaddr)
{
return (mHaltpoints.count(realaddr) == 1);
}
/*******************************************************/
/* Find and highlight all haltpoints */
/*******************************************************/
void FindHaltpoints()
{
std::map<int, Haltpoint>::iterator it = mHaltpoints.begin();
while (it != mHaltpoints.end()) {
int adr = it->first;
// If decoded with CPU addressing convert haltpoint to CPU address
if (!RealAdrMode) {
adr = RealToCpu(adr);
if (!MemCheckWrite(adr)) return; // In case unwritable
}
if (adr >= 0) {
// Search for match in disassembly
int line = FindAdrLine(adr);
if (line < MAXLINES) {
Haltpoint hp = it->second;
hp.lpos = DisLinePos[line];
HighlightLine(hp.lpos,RGB(255,0,0),1);
}
}
it++;
}
}
/**************************************************/
/* Highlight the Current PC */
/* This gets called on timer */
/**************************************************/
void HighlightPC()
{
// Skip if Running or TrackingDisabled
if (!EmuState.Debugger.IsHalted() || TrackingDisabled) {
SetInfoText(initTxt);
UnHighlightPC();
return;
}
SetInfoText("Disassembly is tracking the PC");
// Get the halted PC
CPUState state = CPUGetState();
int CPUadr = state.PC;
// If PC already highlighted just return
if (HighlightedPC == CPUadr) return;
// Remove highlight from previous PC line
UnHighlightPC();
// Convert address to real
int RealAdr = CpuToReal(CPUadr);
// If disassembly used real addresses search for real address
int adr = RealAdrMode ? RealAdr : CPUadr;
// Search for match in disassembly
int line = FindAdrLine(adr);
if (line < MAXLINES) {
HighlightedPC = CPUadr;
PClinePos = DisLinePos[line];
if (IsBreakpoint(RealAdr)) {
HighlightLine(PClinePos,RGB(255,0,255),3); // Magneta
} else {
HighlightLine(PClinePos,RGB(0,0,255),3); // Blue
}
// Not found disassemble using CPU mode starting from PC
// PC should get painted on next timer event
} else {
SetWindowText(hEdtAddr,HEXSTR(CPUadr,0).c_str());
RealAdrMode = false;
EnableBlockEdit(FALSE);
Button_SetCheck(GetDlgItem(hDismDlg,IDC_PHYS_MEM),BST_UNCHECKED);
DecodeAddr();
HighlightedPC = -1;
}
}
/**************************************************/
/* Remove PC highlight with haltpoint check */
/**************************************************/
void UnHighlightPC()
{
if (HighlightedPC >= 0) {
if (IsBreakpoint(CpuToReal(HighlightedPC))) {
HighlightLine(PClinePos,RGB(255,0,0),1);
} else {
HighlightLine(PClinePos,RGB(0,0,0),0);
}
HighlightedPC = -1;
}
}
/***************************************************/
/* Apply or Unapply a single Halt Point */
/***************************************************/
void ApplyHaltPoint(Haltpoint &hp,bool flag)
{
SectionLocker lock(Section_);
if (flag) {
if (!hp.placed) {
// Be sure really not placed
int instr = GetMem(hp.addr);
if (instr != 0x15) {
hp.instr = (unsigned char) instr;
SetMem(hp.addr,0x15);
}
hp.placed = true;
}
} else {
if (hp.placed) {
SetMem(hp.addr, hp.instr);
hp.placed = false;
}
}
return;
}
/***************************************************/
/* Delete Halt Point at real address */
/***************************************************/
void RemoveHaltpoint(int realaddr)
{
Haltpoint hp = mHaltpoints[realaddr];
if (hp.exists) {
HighlightLine(hp.lpos,RGB(0,0,0),0);
ApplyHaltPoint(hp,false);
}
mHaltpoints.erase(realaddr);
}
/***************************************************/
/* Set Halt Point at Current Line */
/***************************************************/
void SetHaltpoint(bool flag)
{
HWND hDisText = NULL; // Richedit20 box for output
std::string s;
Haltpoint hp;
int realaddr;
if ((CurrentLineNum < 0) || (CurrentLineNum >= MAXLINES))
return;
int lpos = DisLinePos[CurrentLineNum];
int addr = DisLineAdr[CurrentLineNum];
if (RealAdrMode) {
realaddr = addr;
} else {
if (MemCheckWrite(addr)) {
realaddr = CpuToReal(addr);
} else {
SetErrorText("Can't set breakpoint here");
return;
}
}
// Create or fetch existing haltpoint
hp = mHaltpoints[realaddr];
// Update Haltpoint
if (flag) {
hp.lpos = lpos;
hp.exists = true;
hp.addr = realaddr;
ApplyHaltPoint(hp,true);
mHaltpoints[realaddr] = hp;
HighlightLine(lpos,RGB(255,0,0),1);
EmuState.Debugger.Enable_Halt(true);
// Remove Haltpoint
} else {
RemoveHaltpoint(realaddr);
}
// Refresh setpoints listbox
RefreshHPlist();
// Timer will apply PC highlight as required
if (PClinePos == hp.lpos) UnHighlightPC();
return;
}
/*******************************************************/
/* Refresh haltpoints in ListBox */
/*******************************************************/
void RefreshHPlist()
{
if (hBrkpDlg == NULL) return;
SendDlgItemMessage(hBrkpDlg,IDC_LIST_BREAKPOINTS,LB_RESETCONTENT,0,0);
if (mHaltpoints.size() > 0) {
std::map<int, Haltpoint>::iterator it = mHaltpoints.begin();
while (it != mHaltpoints.end()) {
int realaddr = it->first;
Haltpoint hp = it->second;
std::string s = HEXSTR(realaddr,6)+"\t "+HEXSTR(hp.instr,2);
SendDlgItemMessage(hBrkpDlg, IDC_LIST_BREAKPOINTS,
LB_ADDSTRING, 0, (LPARAM) s.c_str());
it++;
}
}
}
/*******************************************************/
/* List haltpoints in DialogBox */
/*******************************************************/
void ListHaltpoints()
{
// Create breakpoints list dialog if required
if (hBrkpDlg == NULL) {
hBrkpDlg = CreateDialog ( hVccInst,
MAKEINTRESOURCE(IDD_BPLISTDIALOG),
hDismDlg, BreakpointsDlgProc );
ShowWindow(hBrkpDlg, SW_SHOWNORMAL);
SetFocus(hBrkpDlg);
}
RefreshHPlist();
return;
}
/*******************************************************/
/* Remove all haltpoints (public) */
/*******************************************************/
void KillHaltpoints()
{
std::map<int, Haltpoint>::iterator it = mHaltpoints.begin();
while (it != mHaltpoints.end()) {
int realaddr = it->first;
Haltpoint hp = it->second;
ApplyHaltPoint(hp,false);
HighlightLine(hp.lpos,RGB(0,0,0),0);
mHaltpoints.erase(realaddr);
it++;
}
UnHighlightPC();
RefreshHPlist();
}
/*******************************************************/
/* Apply all haltpoints (public) */
/* Install HALTs or restore original opcodes */
/*******************************************************/
void ApplyHaltpoints(bool flag)
{
// Iterate over all defined haltpoints
std::map<int, Haltpoint>::iterator it = mHaltpoints.begin();
while (it != mHaltpoints.end()) {
int realaddr = it->first;
Haltpoint hp = it->second;
ApplyHaltPoint(hp,flag);
mHaltpoints[realaddr] = hp;
it++;
}
return;
}
/*********************************************************************/
/* Find position of current line in disassembly string and set caret */
/*********************************************************************/
void SetCurrentLine()
{
//TODO: This screws with scrolling
// Ignore find if text is selected
CHARRANGE range;
SendMessage(hDisText,EM_EXGETSEL,0,(LPARAM) &range);
if (range.cpMin!=range.cpMax) return;
// Find selected line number
int lnum = SendMessage(hDisText,EM_LINEFROMCHAR,range.cpMin,0);
int lpos = DisLinePos[lnum];
// If line number has changed set caret to start of line
if (lnum != CurrentLineNum) {
CurrentLineNum = lnum;
SendMessage(hDisText,EM_SETSEL,lpos,lpos);
}
//DEBUG
//int topline = SendMessage(hCtl,EM_GETFIRSTVISIBLELINE,0,0);
//PrintLogC("%d %d %X %d\n",lnum,DisLineAdr[lnum],lpos,topline);
}