2019-12-19 00:27:23 +00:00
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#pragma once
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2019-12-24 23:34:02 +00:00
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#include "arm710.h"
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#include "wind_defs.h"
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#include "hardware.h"
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2019-12-20 23:46:22 +00:00
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#include "etna.h"
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2019-12-19 17:40:49 +00:00
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#include <unordered_set>
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2019-12-19 00:27:23 +00:00
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2019-12-24 23:34:02 +00:00
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class Windermere : public ARM710 {
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2019-12-21 11:09:58 +00:00
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public:
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2019-12-19 00:27:23 +00:00
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uint8_t ROM[0x1000000];
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2019-12-23 13:33:05 +00:00
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uint8_t ROM2[0x40000];
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2019-12-19 14:48:01 +00:00
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uint8_t MemoryBlockC0[0x800000];
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uint8_t MemoryBlockC1[0x800000];
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uint8_t MemoryBlockD0[0x800000];
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uint8_t MemoryBlockD1[0x800000];
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enum { MemoryBlockMask = 0x7FFFFF };
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2019-12-19 00:27:23 +00:00
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2019-12-21 11:09:58 +00:00
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private:
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2019-12-19 00:27:23 +00:00
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uint16_t pendingInterrupts = 0;
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uint16_t interruptMask = 0;
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uint32_t portValues = 0;
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uint32_t portDirections = 0;
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uint32_t pwrsr = 0x00002000; // cold start flag
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uint32_t lcdControl = 0;
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uint32_t lcdAddress = 0;
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uint32_t kScan = 0;
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uint32_t rtc = 0;
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2019-12-22 05:02:55 +00:00
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int64_t passedCycles = 0;
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2019-12-19 00:27:23 +00:00
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int64_t nextTickAt = 0;
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Timer tc1, tc2;
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UART uart1, uart2;
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2019-12-22 05:02:55 +00:00
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Etna etna;
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bool halted = false, asleep = false;
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2019-12-19 00:27:23 +00:00
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2019-12-22 05:02:55 +00:00
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std::unordered_set<uint32_t> _breakpoints;
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2019-12-19 00:27:23 +00:00
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uint32_t getRTC();
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uint32_t readReg8(uint32_t reg);
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uint32_t readReg32(uint32_t reg);
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void writeReg8(uint32_t reg, uint8_t value);
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void writeReg32(uint32_t reg, uint32_t value);
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public:
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2019-12-22 05:02:55 +00:00
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bool isPhysAddressValid(uint32_t addr) const;
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MaybeU32 readPhysical(uint32_t physAddr, ValueSize valueSize) override;
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bool writePhysical(uint32_t value, uint32_t physAddr, ValueSize valueSize) override;
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2019-12-19 00:27:23 +00:00
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const uint8_t *getLCDBuffer() const;
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private:
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bool configured = false;
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void configure();
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void printRegs();
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const char *identifyObjectCon(uint32_t ptr);
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void fetchStr(uint32_t str, char *buf);
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void fetchName(uint32_t obj, char *buf);
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void fetchProcessFilename(uint32_t obj, char *buf);
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void debugPC(uint32_t pc);
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uint8_t readKeyboard();
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public:
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bool keyboardKeys[8*7] = {0};
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public:
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2019-12-24 23:34:02 +00:00
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Windermere();
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2019-12-19 00:27:23 +00:00
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void loadROM(const char *path);
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void dumpRAM(const char *path);
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2019-12-22 05:02:55 +00:00
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void executeUntil(int64_t cycles);
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std::unordered_set<uint32_t> &breakpoints() { return _breakpoints; }
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uint64_t currentCycles() const { return passedCycles; }
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2019-12-19 00:27:23 +00:00
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};
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