Support Cortechs Corp CodeWriter protection key (#1205)

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TomCh 2023-03-31 12:01:19 +01:00 committed by GitHub
parent 48f4a03e6c
commit 7aef95f071
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 69 additions and 13 deletions

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@ -257,7 +257,7 @@ BEGIN
CONTROL "The Free&ze's non-autostart F8 rom (Apple ][ or ][+ only)",IDC_THE_FREEZES_F8_ROM_FW,
"Button",BS_AUTOCHECKBOX | WS_TABSTOP,5,201,194,10
LTEXT "&Game I/O Connector:",IDC_STATIC,5,220,82,8
COMBOBOX IDC_COMBO_GAME_IO_CONNECTOR,89,218,100,100,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
COMBOBOX IDC_COMBO_GAME_IO_CONNECTOR,89,218,114,100,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
END

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@ -44,10 +44,10 @@ const TCHAR CPageAdvanced::m_CloneChoices[] =
TEXT("TK3000 //e\0") // Brazilian
TEXT("Base 64A\0"); // Taiwanese
//enum GAMEIOCONNECTOR_CHOICE { MENUITEM_EMPTY, MENUITEM_SPEEDSTAR };
const TCHAR CPageAdvanced::m_gameIOConnectorChoices[] =
TEXT("Empty\0")
TEXT("SDS DataKey - SpeedStar\0"); // Protection dongle for Southwestern Data Systems "SpeedStar" Applesoft Compiler
"Empty\0"
"SDS DataKey - SpeedStar\0" /* Protection dongle for Southwestern Data Systems "SpeedStar" Applesoft Compiler */
"Cortechs Corp - CodeWriter\0"; /* Protection key for Dynatech Microsoftware / Cortechs Corp "CodeWriter" */
INT_PTR CALLBACK CPageAdvanced::DlgProc(HWND hWnd, UINT message, WPARAM wparam, LPARAM lparam)

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@ -4,7 +4,7 @@
Copyright (C) 1994-1996, Michael O'Brien
Copyright (C) 1999-2001, Oliver Schmidt
Copyright (C) 2002-2005, Tom Charlesworth
Copyright (C) 2006-2022, Tom Charlesworth, Michael Pohoreski
Copyright (C) 2006-2023, Tom Charlesworth, Michael Pohoreski
AppleWin is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -26,9 +26,8 @@
Emulate hardware copy protection dongles for Apple II
Currently supported:
- Southwestern Data Systems DataKey for SpeedStar Applesoft Compiler
Matthew D'Asaro Dec 2022
- Southwestern Data Systems DataKey for SpeedStar Applesoft Compiler (Matthew D'Asaro Dec 2022)
- Dynatech Microsoftware / Cortechs Corp protection key for "CodeWriter"
*/
#include "StdAfx.h"
#include <sstream>
@ -39,6 +38,20 @@
static DONGLETYPE copyProtectionDongleType = DT_EMPTY;
static const BYTE codewriterInitialLFSR = 0x6B; // %1101011 (7-bit LFSR)
static BYTE codewriterLFSR = codewriterInitialLFSR;
static void codeWriterResetLFSR()
{
codewriterLFSR = codewriterInitialLFSR;
}
static void codeWriterClockLFSR()
{
BYTE bit = ((codewriterLFSR >> 1) ^ (codewriterLFSR >> 0)) & 1;
codewriterLFSR = (codewriterLFSR >> 1) | (bit << 6);
}
void SetCopyProtectionDongleType(DONGLETYPE type)
{
copyProtectionDongleType = type;
@ -49,9 +62,26 @@ DONGLETYPE GetCopyProtectionDongleType(void)
return copyProtectionDongleType;
}
void DongleControl(WORD address)
{
UINT AN = ((address - 8) >> 1) & 7;
bool state = address & 1; // ie. C058 = AN0_off; C059 = AN0_on
if (copyProtectionDongleType == DT_EMPTY || copyProtectionDongleType == DT_SDSSPEEDSTAR)
return;
if (copyProtectionDongleType == DT_CODEWRITER)
{
if ((AN == 3 && state == true) || MemGetAnnunciator(3)) // reset or was already reset? (ie. takes precedent over AN2)
codeWriterResetLFSR();
else if (AN == 2 && state == false && MemGetAnnunciator(2) == true) // AN2 true->false edge?
codeWriterClockLFSR();
}
}
// This protection dongle consists of a NAND gate connected with AN1 and AN2 on the inputs
// PB2 on the output, and AN0 connected to power it.
bool SdsSpeedStar(void)
static bool SdsSpeedStar(void)
{
return !MemGetAnnunciator(0) || !(MemGetAnnunciator(1) && MemGetAnnunciator(2));
}
@ -75,7 +105,9 @@ int CopyProtectionDonglePB2(void)
{
case DT_SDSSPEEDSTAR: // Southwestern Data Systems DataKey for SpeedStar Applesoft Compiler
return SdsSpeedStar();
break;
case DT_CODEWRITER: // Dynatech Microsoftware / Cortechs Corp protection key for "CodeWriter"
return codewriterLFSR & 1;
default:
return -1;
@ -85,7 +117,12 @@ int CopyProtectionDonglePB2(void)
//===========================================================================
static const UINT kUNIT_VERSION = 1;
#define SS_YAML_KEY_CODEWRITER_INDEX "LFSR"
// Unit version history:
// 1: Add SDS SpeedStar dongle
// 2: Add Cortechs Corp CodeWriter protection key
static const UINT kUNIT_VERSION = 2;
static const std::string& GetSnapshotStructName_SDSSpeedStar(void)
{
@ -93,6 +130,12 @@ static const std::string& GetSnapshotStructName_SDSSpeedStar(void)
return name;
}
static const std::string& GetSnapshotStructName_CodeWriter(void)
{
static const std::string name("Cortechs Corp CodeWriter protection key");
return name;
}
void CopyProtectionDongleSaveSnapshot(YamlSaveHelper& yamlSaveHelper)
{
if (copyProtectionDongleType == DT_SDSSPEEDSTAR)
@ -100,6 +143,11 @@ void CopyProtectionDongleSaveSnapshot(YamlSaveHelper& yamlSaveHelper)
yamlSaveHelper.SaveString(SS_YAML_KEY_DEVICE, GetSnapshotStructName_SDSSpeedStar());
// NB. No state for this dongle
}
else if (copyProtectionDongleType == DT_CODEWRITER)
{
yamlSaveHelper.SaveString(SS_YAML_KEY_DEVICE, GetSnapshotStructName_CodeWriter());
yamlSaveHelper.SaveHexUint8(SS_YAML_KEY_CODEWRITER_INDEX, codewriterLFSR);
}
else
{
_ASSERT(0);
@ -123,6 +171,11 @@ void CopyProtectionDongleLoadSnapshot(YamlLoadHelper& yamlLoadHelper, UINT versi
{
copyProtectionDongleType = DT_SDSSPEEDSTAR;
}
else if (device == GetSnapshotStructName_CodeWriter())
{
copyProtectionDongleType = DT_CODEWRITER;
codewriterLFSR = yamlLoadHelper.LoadUint(SS_YAML_KEY_CODEWRITER_INDEX);
}
else
{
_ASSERT(0);

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@ -3,14 +3,14 @@
#include "Common.h"
// Must be in the same order as in PageAdvanced.cpp
enum DONGLETYPE { DT_EMPTY, DT_SDSSPEEDSTAR };
enum DONGLETYPE { DT_EMPTY, DT_SDSSPEEDSTAR, DT_CODEWRITER };
void SetCopyProtectionDongleType(DONGLETYPE type);
DONGLETYPE GetCopyProtectionDongleType(void);
void DongleControl(WORD address);
int CopyProtectionDonglePB0(void);
int CopyProtectionDonglePB1(void);
int CopyProtectionDonglePB2(void);
bool SdsSpeedStar(void);
void CopyProtectionDongleSaveSnapshot(class YamlSaveHelper& yamlSaveHelper);
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
#include "Interface.h"
#include "Core.h"
#include "CardManager.h"
#include "CopyProtectionDongles.h"
#include "CPU.h"
#include "Joystick.h"
#include "Keyboard.h"
@ -709,6 +710,8 @@ BYTE __stdcall IO_Annunciator(WORD programcounter, WORD address, BYTE write, BYT
// . $C2B5: LDA $C05D (CLRAN2) ;SETUP
// . $C2B8: LDA $C05F (CLRAN3) ; ANNUNCIATORS
DongleControl(address); // do before setting g_Annunciator[] as may need to access old MemGetAnnunciator() state
g_Annunciator[(address>>1) & 3] = (address&1) ? true : false;
if (address >= 0xC058 && address <= 0xC05B)