adding missing registers to stop trowing

sources/PPU/PPU.cpp

@@ -32,6 +32,16 @@ namespace ComSquare::PPU
 			return this->_registers._mpy.mpym;
 		case ppuRegisters::mpyh:
 			return this->_registers._mpy.mpyh;
+		case ppuRegisters::slhv:
+			return this->_registers._slhv;
+		case ppuRegisters::oamdataread:
+		case ppuRegisters::vmdatalread:
+		case ppuRegisters::vmdatahread:
+		case ppuRegisters::ophct:
+		case ppuRegisters::opvct:
+		case ppuRegisters::stat77:
+		case ppuRegisters::stat78:
+			return 0;
 		default:
 			throw InvalidAddress("PPU Internal Registers read ", addr);
  		}
@@ -137,6 +147,10 @@ namespace ComSquare::PPU
 		case ppuRegisters::m7d:
 			this->_registers._m7[addr - ppuRegisters::m7a].m7 = (this->_registers._m7[addr - ppuRegisters::m7a].m7 << 8) | data;
 			break;
+		case ppuRegisters::m7x:
+		case ppuRegisters::m7y:
+			// TODO these registers
+			break;
 		case ppuRegisters::cgadd:
 			this->_registers._cgadd = data;
 			this->_registers._isLowByte = true;

sources/PPU/PPU.hpp

@@ -482,7 +482,7 @@ namespace ComSquare::PPU
 			uint8_t raw;
 		} _setini;
 
-		// <READ registers> not in priority
+		// <READ registers>
 
 		//! @brief MPYL - MPYM - MPYH Registers (Multiplication Result)
 		union {
@@ -493,6 +493,56 @@ namespace ComSquare::PPU
 			};
 			uint32_t mpy;
 		} _mpy;
+		//! @brief SLHV - Software Latch for H/V Counter
+		uint8_t _slhv;
+		//! @brief OAMDATAREAD - Data for OAM read
+		uint8_t _oamdataread;
+		//! @brief VMDATALREAD/VMDATAHREAD - VRAM Data Read low/high byte
+		union {
+			struct {
+				uint8_t vmDataLRead;
+				uint8_t vmDataHRead;
+			};
+			uint16_t raw;
+		} _vmdataread;
+		//! @brief CGRAM Data read
+		union {
+			struct {
+				uint8_t cgDataLRead;
+				uint8_t cgDataHRead;
+			};
+			uint16_t raw;
+		} _cgdataread;
+		//! @brief OPHCT/OPVCT - Horizontal/Vertical Scanline Location
+		union {
+			struct {
+				uint16_t opct: 9;
+				uint8_t _: 7;
+			};
+			uint16_t raw;
+		} _opct;
+		//! @brief STAT77 - PPU Status Flag and Version
+		union {
+			struct {
+				uint8_t chipVersionNumber: 4;
+				bool _: 1;
+				bool modeSelect: 1;
+				bool rangeOverFlag: 1;
+				bool timeOverFlag: 1;
+			};
+			uint8_t raw;
+		} _stat77;
+		//! @brief STAT78 - PPU Status Flag and Version
+		union {
+			struct {
+				uint8_t chipVersionNumber: 4;
+				bool mode: 1;
+				bool _: 1;
+				bool externalLatchFlag: 1;
+				bool interlaceField: 1;
+			};
+			uint8_t raw;
+		} _stat78;
 	};
 
 	//! @brief The class containing all the registers of the PPU

ui/ui_cpu.h

@@ -1,7 +1,7 @@
 /********************************************************************************
 ** Form generated from reading UI file 'cpu.ui'
 **
-** Created by: Qt User Interface Compiler version 5.14.1
+** Created by: Qt User Interface Compiler version 5.13.2
 **
 ** WARNING! All changes made in this file will be lost when recompiling UI file!
 ********************************************************************************/