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Support Cortechs Corp CodeWriter protection key (#1205)
This commit is contained in:
TomCh
GitHub
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commit
7aef95f071
@ -257,7 +257,7 @@ BEGIN
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CONTROL "The Free&ze's non-autostart F8 rom (Apple ][ or ][+ only)",IDC_THE_FREEZES_F8_ROM_FW,
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"Button",BS_AUTOCHECKBOX | WS_TABSTOP,5,201,194,10
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LTEXT "&Game I/O Connector:",IDC_STATIC,5,220,82,8
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COMBOBOX IDC_COMBO_GAME_IO_CONNECTOR,89,218,100,100,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
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COMBOBOX IDC_COMBO_GAME_IO_CONNECTOR,89,218,114,100,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
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END
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@ -44,10 +44,10 @@ const TCHAR CPageAdvanced::m_CloneChoices[] =
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TEXT("TK3000 //e\0") // Brazilian
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TEXT("Base 64A\0"); // Taiwanese
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//enum GAMEIOCONNECTOR_CHOICE { MENUITEM_EMPTY, MENUITEM_SPEEDSTAR };
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const TCHAR CPageAdvanced::m_gameIOConnectorChoices[] =
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TEXT("Empty\0")
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TEXT("SDS DataKey - SpeedStar\0"); // Protection dongle for Southwestern Data Systems "SpeedStar" Applesoft Compiler
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"Empty\0"
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"SDS DataKey - SpeedStar\0" /* Protection dongle for Southwestern Data Systems "SpeedStar" Applesoft Compiler */
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"Cortechs Corp - CodeWriter\0"; /* Protection key for Dynatech Microsoftware / Cortechs Corp "CodeWriter" */
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INT_PTR CALLBACK CPageAdvanced::DlgProc(HWND hWnd, UINT message, WPARAM wparam, LPARAM lparam)
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@ -4,7 +4,7 @@
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Copyright (C) 1994-1996, Michael O'Brien
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Copyright (C) 1999-2001, Oliver Schmidt
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Copyright (C) 2002-2005, Tom Charlesworth
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Copyright (C) 2006-2022, Tom Charlesworth, Michael Pohoreski
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Copyright (C) 2006-2023, Tom Charlesworth, Michael Pohoreski
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AppleWin is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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@ -26,9 +26,8 @@
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Emulate hardware copy protection dongles for Apple II
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Currently supported:
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- Southwestern Data Systems DataKey for SpeedStar Applesoft Compiler
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Matthew D'Asaro Dec 2022
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- Southwestern Data Systems DataKey for SpeedStar Applesoft Compiler (Matthew D'Asaro Dec 2022)
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- Dynatech Microsoftware / Cortechs Corp protection key for "CodeWriter"
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*/
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#include "StdAfx.h"
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#include <sstream>
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@ -39,6 +38,20 @@
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static DONGLETYPE copyProtectionDongleType = DT_EMPTY;
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static const BYTE codewriterInitialLFSR = 0x6B; // %1101011 (7-bit LFSR)
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static BYTE codewriterLFSR = codewriterInitialLFSR;
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static void codeWriterResetLFSR()
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{
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codewriterLFSR = codewriterInitialLFSR;
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}
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static void codeWriterClockLFSR()
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{
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BYTE bit = ((codewriterLFSR >> 1) ^ (codewriterLFSR >> 0)) & 1;
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codewriterLFSR = (codewriterLFSR >> 1) | (bit << 6);
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}
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void SetCopyProtectionDongleType(DONGLETYPE type)
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{
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copyProtectionDongleType = type;
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@ -49,9 +62,26 @@ DONGLETYPE GetCopyProtectionDongleType(void)
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return copyProtectionDongleType;
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}
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void DongleControl(WORD address)
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{
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UINT AN = ((address - 8) >> 1) & 7;
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bool state = address & 1; // ie. C058 = AN0_off; C059 = AN0_on
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if (copyProtectionDongleType == DT_EMPTY || copyProtectionDongleType == DT_SDSSPEEDSTAR)
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return;
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if (copyProtectionDongleType == DT_CODEWRITER)
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{
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if ((AN == 3 && state == true) || MemGetAnnunciator(3)) // reset or was already reset? (ie. takes precedent over AN2)
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codeWriterResetLFSR();
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else if (AN == 2 && state == false && MemGetAnnunciator(2) == true) // AN2 true->false edge?
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codeWriterClockLFSR();
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}
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}
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// This protection dongle consists of a NAND gate connected with AN1 and AN2 on the inputs
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// PB2 on the output, and AN0 connected to power it.
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bool SdsSpeedStar(void)
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static bool SdsSpeedStar(void)
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{
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return !MemGetAnnunciator(0) || !(MemGetAnnunciator(1) && MemGetAnnunciator(2));
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}
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@ -75,7 +105,9 @@ int CopyProtectionDonglePB2(void)
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{
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case DT_SDSSPEEDSTAR: // Southwestern Data Systems DataKey for SpeedStar Applesoft Compiler
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return SdsSpeedStar();
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break;
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case DT_CODEWRITER: // Dynatech Microsoftware / Cortechs Corp protection key for "CodeWriter"
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return codewriterLFSR & 1;
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default:
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return -1;
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@ -85,7 +117,12 @@ int CopyProtectionDonglePB2(void)
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//===========================================================================
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static const UINT kUNIT_VERSION = 1;
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#define SS_YAML_KEY_CODEWRITER_INDEX "LFSR"
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// Unit version history:
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// 1: Add SDS SpeedStar dongle
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// 2: Add Cortechs Corp CodeWriter protection key
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static const UINT kUNIT_VERSION = 2;
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static const std::string& GetSnapshotStructName_SDSSpeedStar(void)
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{
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@ -93,6 +130,12 @@ static const std::string& GetSnapshotStructName_SDSSpeedStar(void)
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return name;
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}
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static const std::string& GetSnapshotStructName_CodeWriter(void)
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{
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static const std::string name("Cortechs Corp CodeWriter protection key");
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return name;
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}
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void CopyProtectionDongleSaveSnapshot(YamlSaveHelper& yamlSaveHelper)
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{
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if (copyProtectionDongleType == DT_SDSSPEEDSTAR)
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@ -100,6 +143,11 @@ void CopyProtectionDongleSaveSnapshot(YamlSaveHelper& yamlSaveHelper)
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yamlSaveHelper.SaveString(SS_YAML_KEY_DEVICE, GetSnapshotStructName_SDSSpeedStar());
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// NB. No state for this dongle
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}
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else if (copyProtectionDongleType == DT_CODEWRITER)
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{
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yamlSaveHelper.SaveString(SS_YAML_KEY_DEVICE, GetSnapshotStructName_CodeWriter());
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yamlSaveHelper.SaveHexUint8(SS_YAML_KEY_CODEWRITER_INDEX, codewriterLFSR);
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}
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else
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{
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_ASSERT(0);
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@ -123,6 +171,11 @@ void CopyProtectionDongleLoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT versi
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{
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copyProtectionDongleType = DT_SDSSPEEDSTAR;
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}
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else if (device == GetSnapshotStructName_CodeWriter())
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{
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copyProtectionDongleType = DT_CODEWRITER;
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codewriterLFSR = yamlLoadHelper.LoadUint(SS_YAML_KEY_CODEWRITER_INDEX);
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}
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else
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{
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_ASSERT(0);
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@ -3,14 +3,14 @@
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#include "Common.h"
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// Must be in the same order as in PageAdvanced.cpp
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enum DONGLETYPE { DT_EMPTY, DT_SDSSPEEDSTAR };
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enum DONGLETYPE { DT_EMPTY, DT_SDSSPEEDSTAR, DT_CODEWRITER };
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void SetCopyProtectionDongleType(DONGLETYPE type);
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DONGLETYPE GetCopyProtectionDongleType(void);
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void DongleControl(WORD address);
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int CopyProtectionDonglePB0(void);
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int CopyProtectionDonglePB1(void);
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int CopyProtectionDonglePB2(void);
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bool SdsSpeedStar(void);
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void CopyProtectionDongleSaveSnapshot(class YamlSaveHelper& yamlSaveHelper);
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void CopyProtectionDongleLoadSnapshot(class YamlLoadHelper& yamlLoadHelper, UINT version);
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@ -34,6 +34,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#include "Interface.h"
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#include "Core.h"
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#include "CardManager.h"
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#include "CopyProtectionDongles.h"
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#include "CPU.h"
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#include "Joystick.h"
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#include "Keyboard.h"
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@ -709,6 +710,8 @@ BYTE __stdcall IO_Annunciator(WORD programcounter, WORD address, BYTE write, BYT
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// . $C2B5: LDA $C05D (CLRAN2) ;SETUP
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// . $C2B8: LDA $C05F (CLRAN3) ; ANNUNCIATORS
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DongleControl(address); // do before setting g_Annunciator[] as may need to access old MemGetAnnunciator() state
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g_Annunciator[(address>>1) & 3] = (address&1) ? true : false;
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if (address >= 0xC058 && address <= 0xC05B)
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