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Fill memory on init, organize tests, housekeeping

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This commit is contained in:
scawful
2023-08-19 14:48:49 -04:00
parent e76aa69254
commit de93f71d04
4 changed files with 110 additions and 44 deletions
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5
src/app/emu/cpu.h
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@@ -328,6 +328,11 @@ class CPU : public Memory {
// Helper function to get the value of a specific flag bit
bool GetFlag(uint8_t mask) const { return (status & mask) != 0; }
void ClearMemory() override { memory.ClearMemory(); }
void LoadData(const std::vector<uint8_t>& data) override {
memory.LoadData(data);
}
// Appease the C++ Gods...
uint8_t operator[](int i) const override { return 0; }
uint8_t at(int i) const override { return 0; }

10
src/app/emu/mem.h
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@@ -11,7 +11,7 @@ namespace emu {
class DirectPageMemory {
public:
DirectPageMemory(size_t size = 256) : memory_(size, 0) {}
explicit DirectPageMemory(size_t size = 256) : memory_(size, 0) {}
uint8_t ReadByte(uint8_t address) const { return memory_[address]; }
@@ -35,6 +35,8 @@ class Memory {
virtual void WriteWord(uint32_t address, uint16_t value) = 0;
virtual void SetMemory(const std::vector<uint8_t>& data) = 0;
virtual void ClearMemory() = 0;
virtual void LoadData(const std::vector<uint8_t>& data) = 0;
virtual uint8_t operator[](int i) const = 0;
virtual uint8_t at(int i) const = 0;
@@ -75,6 +77,12 @@ class MemoryImpl : public Memory {
void SetMemory(const std::vector<uint8_t>& data) override { memory_ = data; }
void ClearMemory() override { memory_.resize(64000, 0x00); }
void LoadData(const std::vector<uint8_t>& data) override {
std::copy(data.begin(), data.end(), memory_.begin());
}
uint8_t at(int i) const override { return memory_[i]; }
auto size() const { return memory_.size(); }
auto begin() const { return memory_.begin(); }