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49 lines
1.4 KiB
C++
49 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 "Applewin.h"
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#include "CPU.h"
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#include "Memory.h"
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#include "z80emu.h"
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// Variaveis
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static int g_uCPMZ80Slot = 0;
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BYTE __stdcall CPMZ80_IONull(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nExecutedCycles)
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{
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return IO_Null(PC, uAddr, bWrite, uValue, nExecutedCycles);
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}
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BYTE __stdcall CPMZ80_IOWrite(WORD PC, WORD uAddr, BYTE bWrite, BYTE uValue, ULONG nExecutedCycles)
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{
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if ((uAddr & 0xFF00) == (0xC000 + (g_uCPMZ80Slot << 8)))
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SetActiveCpu( GetActiveCpu() == CPU_Z80 ? GetMainCpu() : CPU_Z80 );
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return IO_Null(PC, uAddr, bWrite, uValue, nExecutedCycles);
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}
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//===========================================================================
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void ConfigureSoftcard(LPBYTE pCxRomPeripheral, UINT uSlot)
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{
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memset(pCxRomPeripheral + (uSlot << 8), 0xFF, APPLE_SLOT_SIZE);
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g_uCPMZ80Slot = uSlot;
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RegisterIoHandler(uSlot, CPMZ80_IONull, CPMZ80_IONull, CPMZ80_IONull, CPMZ80_IOWrite, NULL, NULL);
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}
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