416 lines
No EOL
13 KiB
C++
416 lines
No EOL
13 KiB
C++
#pragma once
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#include "IMemoryDevice.hpp"
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#include "../tools/GlobalData.hpp"
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#include <ostd/Serial.hpp>
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#include <fstream>
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namespace dragon
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{
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namespace hw
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{
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class VirtualHardDrive;
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class MemoryMapper;
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class VirtualCPU;
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class VirtualRAM;
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class VirtualBIOS : public IMemoryDevice
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{
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public:
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inline VirtualBIOS(void) { m_initialized = 0; }
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inline VirtualBIOS(const ostd::String& biosFilePath) { init(biosFilePath); }
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void init(const ostd::String& biosFilePath);
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int8_t read8(uint16_t addr) override;
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int16_t read16(uint16_t addr) override;
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int8_t write8(uint16_t addr, int8_t value) override;
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int16_t write16(uint16_t addr, int16_t value) override;
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ostd::ByteStream* getByteStream(void) override;
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private:
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ostd::ByteStream m_bios;
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bool m_initialized { false };
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};
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class InterruptVector : public IMemoryDevice
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{
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public:
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InterruptVector(void);
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int8_t read8(uint16_t addr) override;
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int16_t read16(uint16_t addr) override;
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int8_t write8(uint16_t addr, int8_t value) override;
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int16_t write16(uint16_t addr, int16_t value) override;
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ostd::ByteStream* getByteStream(void) override;
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private:
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ostd::ByteStream m_data;
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};
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class VirtualKeyboard : public IMemoryDevice
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{
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public: enum class eKeys
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{
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Delete = (int16_t)'\x7F',
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Return = (int16_t)'\r',
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Escape = (int16_t)'\x1B',
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Backspace = (int16_t)'\b',
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Tab = (int16_t)'\t',
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Spacebar = (int16_t)' ',
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ExclamationMark = (int16_t)'!',
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DoubleQuote = (int16_t)'"',
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Hash = (int16_t)'#',
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Percent = (int16_t)'%',
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DollarSign = (int16_t)'$',
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Ampersand = (int16_t)'&',
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SingleQuote = (int16_t)'\'',
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LeftParenthesis = (int16_t)'(',
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RightParenthesis = (int16_t)')',
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Asterisk = (int16_t)'*',
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Plus = (int16_t)'+',
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Comma = (int16_t)',',
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Minus = (int16_t)'-',
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Period = (int16_t)'.',
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ForwardSlash = (int16_t)'/',
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Num0 = (int16_t)'0',
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Num1 = (int16_t)'1',
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Num2 = (int16_t)'2',
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Num3 = (int16_t)'3',
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Num4 = (int16_t)'4',
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Num5 = (int16_t)'5',
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Num6 = (int16_t)'6',
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Num7 = (int16_t)'7',
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Num8 = (int16_t)'8',
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Num9 = (int16_t)'9',
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Colon = (int16_t)':',
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Semicolon = (int16_t)';',
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LessThan = (int16_t)'<',
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Equals = (int16_t)'=',
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GreaterThan = (int16_t)'>',
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QuestionMark = (int16_t)'?',
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AtSign = (int16_t)'@',
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UpperCase_A = (int16_t)'A',
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UpperCase_B = (int16_t)'B',
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UpperCase_C = (int16_t)'C',
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UpperCase_D = (int16_t)'D',
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UpperCase_E = (int16_t)'E',
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UpperCase_F = (int16_t)'F',
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UpperCase_G = (int16_t)'G',
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UpperCase_H = (int16_t)'H',
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UpperCase_I = (int16_t)'I',
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UpperCase_J = (int16_t)'J',
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UpperCase_K = (int16_t)'K',
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UpperCase_L = (int16_t)'L',
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UpperCase_M = (int16_t)'M',
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UpperCase_N = (int16_t)'N',
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UpperCase_O = (int16_t)'O',
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UpperCase_P = (int16_t)'P',
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UpperCase_Q = (int16_t)'Q',
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UpperCase_R = (int16_t)'R',
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UpperCase_S = (int16_t)'S',
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UpperCase_T = (int16_t)'T',
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UpperCase_U = (int16_t)'U',
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UpperCase_V = (int16_t)'V',
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UpperCase_W = (int16_t)'W',
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UpperCase_X = (int16_t)'X',
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UpperCase_Y = (int16_t)'Y',
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UpperCase_Z = (int16_t)'Z',
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LeftBracket = (int16_t)'[',
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BackSlash = (int16_t)'\\',
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RightBracket = (int16_t)']',
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Caret = (int16_t)'^',
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Underscore = (int16_t)'_',
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BackQuote = (int16_t)'`',
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LowerCase_a = (int16_t)'a',
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LowerCase_b = (int16_t)'b',
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LowerCase_c = (int16_t)'c',
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LowerCase_d = (int16_t)'d',
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LowerCase_e = (int16_t)'e',
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LowerCase_f = (int16_t)'f',
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LowerCase_g = (int16_t)'g',
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LowerCase_h = (int16_t)'h',
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LowerCase_i = (int16_t)'i',
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LowerCase_j = (int16_t)'j',
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LowerCase_k = (int16_t)'k',
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LowerCase_l = (int16_t)'l',
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LowerCase_m = (int16_t)'m',
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LowerCase_n = (int16_t)'n',
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LowerCase_o = (int16_t)'o',
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LowerCase_p = (int16_t)'p',
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LowerCase_q = (int16_t)'q',
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LowerCase_r = (int16_t)'r',
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LowerCase_s = (int16_t)'s',
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LowerCase_t = (int16_t)'t',
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LowerCase_u = (int16_t)'u',
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LowerCase_v = (int16_t)'v',
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LowerCase_w = (int16_t)'w',
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LowerCase_x = (int16_t)'x',
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LowerCase_y = (int16_t)'y',
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LowerCase_z = (int16_t)'z',
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LeftCTRL = (int16_t)0x0100,
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RightCTRL = (int16_t)0x0101,
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LeftALT = (int16_t)0x0102,
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RightALT = (int16_t)0x0103,
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LeftShift = (int16_t)0x0104,
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RightShift = (int16_t)0x0105,
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KeyPadDivide = (int16_t)0x0106,
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KeyPadMultiply = (int16_t)0x0107,
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KeyPadMinus = (int16_t)0x0108,
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KeyPadPlus = (int16_t)0x0109,
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KeyPadEnter = (int16_t)0x010A,
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KeyPad1 = (int16_t)0x010B,
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KeyPad2 = (int16_t)0x010C,
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KeyPad3 = (int16_t)0x010D,
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KeyPad4 = (int16_t)0x010E,
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KeyPad5 = (int16_t)0x010F,
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KeyPad6 = (int16_t)0x0110,
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KeyPad7 = (int16_t)0x0111,
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KeyPad8 = (int16_t)0x0112,
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KeyPad9 = (int16_t)0x0113,
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KeyPad0 = (int16_t)0x0114,
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KeyPadPeriod = (int16_t)0x0115,
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PrintScreen = (int16_t)0x0116,
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Insert = (int16_t)0x0117,
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Home = (int16_t)0x0118,
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PageUp = (int16_t)0x0119,
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End = (int16_t)0x011A,
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PageDown = (int16_t)0x011B,
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RightArrow = (int16_t)0x011C,
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LeftArrow = (int16_t)0x011D,
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DownArrow = (int16_t)0x011E,
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UpArrow = (int16_t)0x011F,
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CapsLock = (int16_t)0x0120,
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NumLock = (int16_t)0x0121,
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ScrollLock = (int16_t)0x0122,
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F1 = (int16_t)0x0123,
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F2 = (int16_t)0x0124,
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F3 = (int16_t)0x0125,
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F4 = (int16_t)0x0126,
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F5 = (int16_t)0x0127,
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F6 = (int16_t)0x0128,
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F7 = (int16_t)0x0129,
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F8 = (int16_t)0x012A,
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F9 = (int16_t)0x012B,
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F10 = (int16_t)0x012C,
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F11 = (int16_t)0x012D,
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F12 = (int16_t)0x012E,
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LeftSuper = (int16_t)0x012F,
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RightSuper = (int16_t)0x0130,
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};
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public: struct tModifierBits
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{
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inline static constexpr uint8_t LeftShift = 0;
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inline static constexpr uint8_t LeftControl = 1;
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inline static constexpr uint8_t LeftAlt = 2;
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inline static constexpr uint8_t LeftSuper = 3;
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inline static constexpr uint8_t RightShift = 4;
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inline static constexpr uint8_t RightControl = 5;
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inline static constexpr uint8_t RightAlt = 6;
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inline static constexpr uint8_t RightSuper = 7;
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inline static constexpr uint8_t CapsLock = 8;
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inline static constexpr uint8_t NumLock = 9;
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inline static constexpr uint8_t ScrolLLock = 10;
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};
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public: struct tRegisters
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{
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inline static constexpr uint16_t Modifiers = 0x00;
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inline static constexpr uint16_t KeyCode = 0x02;
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};
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public:
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inline VirtualKeyboard(void) { }
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void init(void);
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int8_t read8(uint16_t addr) override;
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int16_t read16(uint16_t addr) override;
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int8_t write8(uint16_t addr, int8_t value) override;
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int16_t write16(uint16_t addr, int16_t value) override;
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ostd::ByteStream* getByteStream(void) override;
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void handleSignal(ostd::tSignal& signal) override;
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private:
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ostd::BitField_16 __construct_modifiers_bitfield(void);
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int8_t __write8(uint16_t addr, int8_t value);
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int16_t __write16(uint16_t addr, int16_t value);
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int16_t __sdl_key_code_convert(int32_t keyCode);
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private:
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ostd::ByteStream m_data;
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ostd::BitField_16 m_modifiersBitFiels;
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};
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class VirtualMouse : public IMemoryDevice
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{
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public:
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VirtualMouse(void);
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int8_t read8(uint16_t addr) override;
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int16_t read16(uint16_t addr) override;
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int8_t write8(uint16_t addr, int8_t value) override;
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int16_t write16(uint16_t addr, int16_t value) override;
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ostd::ByteStream* getByteStream(void) override;
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private:
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};
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class VirtualBootloader : public IMemoryDevice
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{
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public:
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VirtualBootloader(void);
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int8_t read8(uint16_t addr) override;
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int16_t read16(uint16_t addr) override;
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int8_t write8(uint16_t addr, int8_t value) override;
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int16_t write16(uint16_t addr, int16_t value) override;
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ostd::ByteStream* getByteStream(void) override;
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private:
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ostd::ByteStream m_mbr;
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};
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namespace interface
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{
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class Disk : public IMemoryDevice
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{
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public: struct tRegisters
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{
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inline static constexpr uint16_t Signal = 0x00;
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inline static constexpr uint16_t ModeSelector = 0x01;
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inline static constexpr uint16_t DiskSelector = 0x02;
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inline static constexpr uint16_t SectorSelector = 0x03;
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inline static constexpr uint16_t AddressSelector = 0x05;
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inline static constexpr uint16_t DataSize = 0x07;
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inline static constexpr uint16_t DataSourceAddress = 0x09;
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inline static constexpr uint16_t FirstReadOnly = 0x0B;
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inline static constexpr uint16_t Status = 0x0B;
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inline static constexpr uint16_t CurrentDisk = 0x0C;
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inline static constexpr uint16_t CurrentSector = 0x0D;
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inline static constexpr uint16_t CurrentAddress = 0x0F;
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inline static constexpr uint16_t RestDataSize = 0x11;
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inline static constexpr uint16_t SourceData = 0x13;
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};
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public: struct tSignalValues
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{
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inline static constexpr uint8_t Start = 0x00;
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inline static constexpr uint8_t Cancel = 0x01;
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inline static constexpr uint8_t Ignore = 0xFF;
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};
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public: struct tModeValues
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{
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inline static constexpr uint8_t Read = 0x00;
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inline static constexpr uint8_t Write = 0x01;
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};
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public: struct tStatusValues
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{
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inline static constexpr uint8_t Free = 0x00;
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inline static constexpr uint8_t Writing = 0x01;
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inline static constexpr uint8_t Reading = 0x02;
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};
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public:
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Disk(MemoryMapper& memory, VirtualCPU& cpu);
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int8_t read8(uint16_t addr) override;
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int16_t read16(uint16_t addr) override;
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int8_t write8(uint16_t addr, int8_t value) override;
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int16_t write16(uint16_t addr, int16_t value) override;
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ostd::ByteStream* getByteStream(void) override;
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void cycleStep(void);
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bool connectDisk(VirtualHardDrive& hdd, data::VDiskID disk_id);
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bool disconnectDisk(data::VDiskID diskID);
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inline bool isBusy(void) const { return m_busy; }
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private:
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ostd::serial::SerialIO m_data { data::MemoryMapAddresses::DiskInterface_End - data::MemoryMapAddresses::DiskInterface_Start };
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bool m_busy { false };
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std::unordered_map<data::VDiskID, VirtualHardDrive*> m_connectedDisks;
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MemoryMapper& m_memory;
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VirtualCPU& m_cpu;
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// inline static data::VDiskID s_nextDiskID = 0;
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};
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class Graphics : public IMemoryDevice
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{
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public: struct tText16_Cell
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{
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uint8_t backgroundColor;
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uint8_t foregroundColor;
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uint8_t character;
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};
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public: struct tText16_CellStructure
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{
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inline static constexpr uint8_t character = 0x00;
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inline static constexpr uint8_t foreground = 0x01;
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inline static constexpr uint8_t background = 0x02;
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inline static constexpr uint8_t reserved = 0x03;
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};
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public:
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Graphics(void);
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int8_t read8(uint16_t addr) override;
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int16_t read16(uint16_t addr) override;
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int8_t write8(uint16_t addr, int8_t value) override;
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int16_t write16(uint16_t addr, int16_t value) override;
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ostd::ByteStream* getByteStream(void) override;
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inline uint16_t getVRAMStart(void) { return m_vramStart; }
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bool readVRAM_16Colors(uint8_t x, uint8_t y, tText16_Cell& outTextCell);
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bool writeVRAM_16Colors(uint8_t x, uint8_t y, uint8_t character = 0, uint8_t background = 0xFF, uint8_t foreground = 0xFF);
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bool clearVRAM_16Colors(uint8_t character = 0, uint8_t background = 0x00, uint8_t foreground = 0xFF);
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private:
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ostd::serial::SerialIO m_videoMemory;
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uint16_t m_vramStart { 0 };
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uint8_t m_16Color_cellSize { 4 };
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};
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class SerialPort : public IMemoryDevice
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{
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public:
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SerialPort(void);
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int8_t read8(uint16_t addr) override;
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int16_t read16(uint16_t addr) override;
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int8_t write8(uint16_t addr, int8_t value) override;
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int16_t write16(uint16_t addr, int16_t value) override;
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ostd::ByteStream* getByteStream(void) override;
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private:
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};
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class CMOS : public IMemoryDevice
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{
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public:
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inline CMOS(void) { m_initialized = false; }
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inline CMOS(const ostd::String& cmosFilePath) { init(cmosFilePath); }
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void init(const ostd::String& cmosFilePath);
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int8_t read8(uint16_t addr) override;
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int16_t read16(uint16_t addr) override;
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int8_t write8(uint16_t addr, int8_t value) override;
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int16_t write16(uint16_t addr, int16_t value) override;
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ostd::ByteStream* getByteStream(void) override;
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private:
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ostd::ByteStream m_data;
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uint16_t m_size { 0 };
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std::fstream m_dataFile;
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bool m_initialized { false };
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uint64_t m_fileSize { 0 };
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};
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}
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}
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} |