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https://github.com/AppleWin/AppleWin.git
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3318abc622
- Replaced all non-GPL modules with GPL ones (6821, AY8910, Z80) . 6821 now from VICE (was MAME) . AY8910 now from FUSE (was MAME) . Z80 now from VICE (was Z80Em) - Fix for Willy Byte & MB support (strange 6522 behaviour!)
47 lines
1.4 KiB
C++
47 lines
1.4 KiB
C++
/* Emulador do computador TK3000 //e (Microdigital)
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* por Fábio Belavenuto - Copyright (C) 2004
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*
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* Adaptado do emulador Applewin por Michael O'Brien
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* Part of code is Copyright (C) 2003-2004 Tom Charlesworth
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*
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* Este arquivo é distribuido pela Licença Pública Geral GNU.
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* Veja o arquivo Licenca.txt distribuido com este software.
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*
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* ESTE SOFTWARE NÃO OFERECE NENHUMA GARANTIA
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*
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*/
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// Emula a CPU Z80
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#include "StdAfx.h"
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#include "z80emu.h"
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// Variaveis
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static int CPMZ80Slot = 0;
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int Z80_IRQ = 0; // Used by Z80Em
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BYTE __stdcall CPMZ80_IONull(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nCyclesLeft)
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{
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return IO_Null(PC, uAddr, bWrite, uValue, nCyclesLeft);
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}
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BYTE __stdcall CPMZ80_IOWrite(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nCyclesLeft)
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{
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if ((uAddr & 0xFF00) == (0xC000 + (CPMZ80Slot << 8)))
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{
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g_ActiveCPU = (g_ActiveCPU == CPU_6502) ? CPU_Z80 : CPU_6502;
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}
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return IO_Null(PC, uAddr, bWrite, uValue, nCyclesLeft);
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}
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//===========================================================================
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void ConfigureSoftcard(LPBYTE pCxRomPeripheral, int Slot, UINT addOrRemove)
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{
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memset(pCxRomPeripheral + (Slot << 8), 0xFF, APPLE_SLOT_SIZE);
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CPMZ80Slot = Slot;
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RegisterIoHandler(Slot, CPMZ80_IONull, CPMZ80_IONull, CPMZ80_IONull, addOrRemove ? CPMZ80_IOWrite : NULL, NULL, NULL);
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}
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// EOF
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