mirror of
https://github.com/JorjBauer/aiie.git
synced 2024-11-26 11:49:19 +00:00
114 lines
2.7 KiB
C++
114 lines
2.7 KiB
C++
#include "applevm.h"
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#include "filemanager.h"
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#include "cpu.h"
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#include "appledisplay.h"
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#include "applekeyboard.h"
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#include "physicalkeyboard.h"
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#include "globals.h"
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AppleVM::AppleVM()
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{
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// FIXME: all this typecasting makes me knife-stabby
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vmdisplay = new AppleDisplay(videoBuffer);
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mmu = new AppleMMU((AppleDisplay *)vmdisplay);
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vmdisplay->SetMMU((AppleMMU *)mmu);
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disk6 = new DiskII((AppleMMU *)mmu);
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((AppleMMU *)mmu)->setSlot(6, disk6);
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keyboard = new AppleKeyboard((AppleMMU *)mmu);
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parallel = new ParallelCard();
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((AppleMMU *)mmu)->setSlot(1, parallel);
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mockingboard = NULL;
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/*
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mockingboard = new Mockingboard();
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((AppleMMU *)mmu)->setSlot(4, mockingboard);*/
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#ifdef TEENSYDUINO
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teensyClock = new TeensyClock((AppleMMU *)mmu);
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((AppleMMU *)mmu)->setSlot(7, teensyClock);
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#else
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sdlClock = new SDLClock((AppleMMU *)mmu);
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((AppleMMU *)mmu)->setSlot(7, sdlClock);
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#endif
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}
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AppleVM::~AppleVM()
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{
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#ifdef TEENSYDUINO
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delete teensyClock;
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#else
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delete sdlClock;
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#endif
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delete disk6;
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delete parallel;
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if (mockingboard)
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delete mockingboard;
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}
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// fixme: make member vars
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unsigned long paddleCycleTrigger[2] = {0, 0};
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void AppleVM::triggerPaddleInCycles(uint8_t paddleNum,uint16_t cycleCount)
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{
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paddleCycleTrigger[paddleNum] = cycleCount + g_cpu->cycles;
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}
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void AppleVM::cpuMaintenance(uint32_t cycles)
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{
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for (uint8_t i=0; i<2; i++) {
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if (paddleCycleTrigger[i] && cycles >= paddleCycleTrigger[i]) {
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((AppleMMU *)mmu)->triggerPaddleTimer(i);
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paddleCycleTrigger[i] = 0;
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}
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}
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keyboard->maintainKeyboard(cycles);
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if (mockingboard)
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mockingboard->update(cycles);
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}
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void AppleVM::Reset()
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{
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disk6->Reset();
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((AppleMMU *)mmu)->resetRAM();
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mmu->Reset();
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g_cpu->pc = (((AppleMMU *)mmu)->read(0xFFFD) << 8) | ((AppleMMU *)mmu)->read(0xFFFC);
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// give the keyboard a moment to depress keys upon startup
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keyboard->maintainKeyboard(0);
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}
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void AppleVM::Monitor()
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{
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g_cpu->pc = 0xff69; // "call -151"
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((AppleMMU *)mmu)->readSwitches(0xC054); // make sure we're in page 1
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((AppleMMU *)mmu)->readSwitches(0xC056); // and that hires is off
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((AppleMMU *)mmu)->readSwitches(0xC051); // and text mode is on
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}
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const char *AppleVM::DiskName(uint8_t drivenum)
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{
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return disk6->DiskName(drivenum);
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}
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void AppleVM::ejectDisk(uint8_t drivenum)
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{
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disk6->ejectDisk(drivenum);
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}
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void AppleVM::insertDisk(uint8_t drivenum, const char *filename, bool drawIt)
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{
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disk6->insertDisk(drivenum, filename, drawIt);
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}
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VMKeyboard * AppleVM::getKeyboard()
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{
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return keyboard;
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}
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