Add PpuRegisters and Ppu class
This commit is contained in:
scawful
@@ -44,6 +44,12 @@ void PPU::UpdateInternalState(int cycles) {
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}
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void PPU::RenderScanline() {
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for (int y = 0; y < 240; ++y) {
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for (int x = 0; x < 256; ++x) {
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frame_buffer_[y * 256 + x] = (x + y) % 256; // Simple gradient pattern
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}
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}
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// Fetch the tile data from VRAM, tile map data from memory, and palette data
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// from CGRAM
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UpdateTileData(); // Fetches the tile data from VRAM and stores it in an
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@@ -7,6 +7,7 @@
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#include "app/emu/clock.h"
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#include "app/emu/memory/memory.h"
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#include "app/emu/video/ppu_registers.h"
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namespace yaze {
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namespace app {
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@@ -28,408 +29,6 @@ class IPPU {
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virtual std::vector<uint32_t> getFrameBuffer() const = 0;
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};
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namespace PPURegisters {
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constexpr uint16_t INIDISP = 0x2100;
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// OAM Size Register ($2101): Controls the size of the object/sprite, the base
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// address, and the name selection for the OAM (Object Attribute Memory).
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constexpr uint16_t OBJSEL = 0x2101;
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// OAM Address Register ($2102-$2103): Sets the address for accessing OAM data.
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constexpr uint16_t OAMADDL = 0x2102;
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constexpr uint16_t OAMADDH = 0x2103;
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// OAM Data Register ($2104): Holds the data to be written to the OAM at a
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// specified address.
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constexpr uint16_t OAMDATA = 0x2104;
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// OAM Data Read Register ($2138): Allows reading data from the OAM.
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// Screen Display Register ($2100): Controls screen on/off and brightness.
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// Screen Mode Register ($2105): Defines the screen mode and character size for
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// each background layer.
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constexpr uint16_t BGMODE = 0x2105;
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// Screen Pixelation Register ($2106): Sets the pixel size and screen
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// designation for the mosaic display.
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constexpr uint16_t MOSAIC = 0x2106;
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// BGx VRAM Location Registers ($2107-$210A)
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// Define the location in VRAM where the background screen data is stored.
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constexpr uint16_t BG1SC = 0x2107;
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constexpr uint16_t BG2SC = 0x2108;
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constexpr uint16_t BG3SC = 0x2109;
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constexpr uint16_t BG4SC = 0x210A;
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// BGx & BGy VRAM Location Registers ($210B-$210C):
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// Set the base address for BG character data in VRAM.
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constexpr uint16_t BG12NBA = 0x210B;
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constexpr uint16_t BG34NBA = 0x210C;
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// BGx Scroll Registers ($210D-$2114): Control the horizontal and vertical
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// scroll values for each background layer.
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constexpr uint16_t BG1HOFS = 0x210D;
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constexpr uint16_t BG1VOFS = 0x210E;
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constexpr uint16_t BG2HOFS = 0x210F;
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constexpr uint16_t BG2VOFS = 0x2110;
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constexpr uint16_t BG3HOFS = 0x2111;
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constexpr uint16_t BG3VOFS = 0x2112;
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constexpr uint16_t BG4HOFS = 0x2113;
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constexpr uint16_t BG4VOFS = 0x2114;
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// Video Port Control Register ($2115): Designates the VRAM address increment
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// value.
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constexpr uint16_t VMAIN = 0x2115;
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// Video Port Address Register ($2116-$2117): Sets the initial address for
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// reading from or writing to VRAM.
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constexpr uint16_t VMADDL = 0x2116;
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constexpr uint16_t VMADDH = 0x2117;
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constexpr uint16_t VMDATAL = 0x2118;
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constexpr uint16_t VMDATAH = 0x2119;
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constexpr uint16_t M7SEL = 0x211A;
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constexpr uint16_t M7A = 0x211B;
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constexpr uint16_t M7B = 0x211C;
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constexpr uint16_t M7C = 0x211D;
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constexpr uint16_t M7D = 0x211E;
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constexpr uint16_t M7X = 0x211F;
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constexpr uint16_t M7Y = 0x2120;
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constexpr uint16_t CGADD = 0x2121;
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constexpr uint16_t CGDATA = 0x2122;
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constexpr uint16_t W12SEL = 0x2123;
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constexpr uint16_t W34SEL = 0x2124;
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constexpr uint16_t WOBJSEL = 0x2125;
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constexpr uint16_t WH0 = 0x2126;
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constexpr uint16_t WH1 = 0x2127;
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constexpr uint16_t WH2 = 0x2128;
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constexpr uint16_t WH3 = 0x2129;
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constexpr uint16_t WBGLOG = 0x212A;
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constexpr uint16_t WOBJLOG = 0x212B;
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constexpr uint16_t TM = 0x212C;
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constexpr uint16_t TS = 0x212D;
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constexpr uint16_t TMW = 0x212E;
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constexpr uint16_t TSW = 0x212F;
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constexpr uint16_t CGWSEL = 0x2130;
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constexpr uint16_t CGADSUB = 0x2131;
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constexpr uint16_t COLDATA = 0x2132;
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constexpr uint16_t SETINI = 0x2133;
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constexpr uint16_t MPYL = 0x2134;
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constexpr uint16_t MPYM = 0x2135;
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constexpr uint16_t MPYH = 0x2136;
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constexpr uint16_t SLHV = 0x2137;
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constexpr uint16_t OAMDATAREAD = 0x2138;
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constexpr uint16_t VMDATALREAD = 0x2139;
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constexpr uint16_t VMDATAHREAD = 0x213A;
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constexpr uint16_t CGDATAREAD = 0x213B;
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constexpr uint16_t OPHCT = 0x213C;
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constexpr uint16_t OPVCT = 0x213D;
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constexpr uint16_t STAT77 = 0x213E;
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constexpr uint16_t STAT78 = 0x213F;
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struct INIDISP {
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uint8_t brightness : 4;
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uint8_t forced_blanking : 1;
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uint8_t unused : 3;
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};
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struct OBJSEL {
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uint8_t name_base_address : 2;
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uint8_t name_secondary_select : 1;
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uint8_t sprite_size : 2;
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uint8_t unused : 3;
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};
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struct OAMADDL {
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uint8_t address : 8;
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};
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struct OAMADDH {
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uint8_t high_bit : 1;
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uint8_t priority_rotation : 1;
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uint8_t unused : 6;
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};
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struct OAMDATA {
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uint8_t data : 8;
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};
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struct BGMODE {
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uint8_t bg_mode : 3;
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uint8_t bg3_priority : 1;
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uint8_t tile_size : 4;
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};
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struct MOSAIC {
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uint8_t bg_enable : 4;
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uint8_t mosaic_size : 4;
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};
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struct BGSC {
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explicit BGSC(uint8_t value)
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: horizontal_tilemap_count(value & 0x01),
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vertical_tilemap_count((value >> 1) & 0x01),
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vram_address((value >> 2) & 0x3F) {}
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uint8_t horizontal_tilemap_count : 1;
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uint8_t vertical_tilemap_count : 1;
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uint8_t vram_address : 6;
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};
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struct BGNBA {
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explicit BGNBA(uint8_t value)
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: chr_base_address_2(value & 0x0F),
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chr_base_address_1((value >> 4) & 0x0F) {}
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uint8_t chr_base_address_2 : 4;
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uint8_t chr_base_address_1 : 4;
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};
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struct BGHOFS {
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uint16_t horizontal_scroll : 10;
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uint8_t unused : 6;
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};
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struct BGVOFS {
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uint16_t vertical_scroll : 10;
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uint8_t unused : 6;
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};
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struct VMAIN {
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uint8_t increment_size : 2;
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uint8_t remapping : 2;
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uint8_t address_increment_mode : 1;
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uint8_t unused : 3;
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};
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struct VMADDL {
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uint8_t address_low : 8;
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};
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struct VMADDH {
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uint8_t address_high : 8;
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};
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struct VMDATA {
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uint8_t data : 8;
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};
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struct M7SEL {
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uint8_t flip_horizontal : 1;
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uint8_t flip_vertical : 1;
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uint8_t fill : 1;
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uint8_t tilemap_repeat : 1;
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uint8_t unused : 4;
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};
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struct M7A {
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int16_t matrix_a : 16;
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};
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struct M7B {
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int16_t matrix_b : 16;
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};
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struct M7C {
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int16_t matrix_c : 16;
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};
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struct M7D {
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int16_t matrix_d : 16;
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};
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struct M7X {
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uint16_t center_x : 13;
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uint8_t unused : 3;
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};
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struct M7Y {
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uint16_t center_y : 13;
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uint8_t unused : 3;
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};
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struct CGADD {
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uint8_t address : 8;
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};
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struct CGDATA {
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uint16_t data : 15;
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uint8_t unused : 1;
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};
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struct W12SEL {
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uint8_t enable_bg1_a : 1;
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uint8_t invert_bg1_a : 1;
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uint8_t enable_bg1_b : 1;
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uint8_t invert_bg1_b : 1;
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uint8_t enable_bg2_c : 1;
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uint8_t invert_bg2_c : 1;
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uint8_t enable_bg2_d : 1;
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uint8_t invert_bg2_d : 1;
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};
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struct W34SEL {
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uint8_t enable_bg3_e : 1;
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uint8_t invert_bg3_e : 1;
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uint8_t enable_bg3_f : 1;
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uint8_t invert_bg3_f : 1;
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uint8_t enable_bg4_g : 1;
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uint8_t invert_bg4_g : 1;
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uint8_t enable_bg4_h : 1;
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uint8_t invert_bg4_h : 1;
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};
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struct WOBJSEL {
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uint8_t enable_obj_i : 1;
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uint8_t invert_obj_i : 1;
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uint8_t enable_obj_j : 1;
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uint8_t invert_obj_j : 1;
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uint8_t enable_color_k : 1;
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uint8_t invert_color_k : 1;
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uint8_t enable_color_l : 1;
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uint8_t invert_color_l : 1;
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};
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struct WH0 {
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uint8_t left_position : 8;
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};
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struct WH1 {
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uint8_t right_position : 8;
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};
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struct WH2 {
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uint8_t left_position : 8;
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};
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struct WH3 {
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uint8_t right_position : 8;
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};
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struct WBGLOG {
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uint8_t mask_logic_bg4 : 2;
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uint8_t mask_logic_bg3 : 2;
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uint8_t mask_logic_bg2 : 2;
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uint8_t mask_logic_bg1 : 2;
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};
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struct WOBJLOG {
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uint8_t unused : 4;
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uint8_t mask_logic_color : 2;
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uint8_t mask_logic_obj : 2;
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};
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struct TM {
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uint8_t enable_layer : 5;
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uint8_t unused : 3;
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};
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struct TS {
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uint8_t enable_layer : 5;
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uint8_t unused : 3;
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};
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struct TMW {
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uint8_t enable_window : 5;
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uint8_t unused : 3;
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};
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struct TSW {
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uint8_t enable_window : 5;
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uint8_t unused : 3;
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};
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struct CGWSEL {
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uint8_t direct_color : 1;
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uint8_t fixed_subscreen : 1;
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uint8_t sub_color_window : 2;
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uint8_t main_color_window : 2;
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uint8_t unused : 2;
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};
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struct CGADSUB {
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uint8_t enable_layer : 5;
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uint8_t backdrop : 1;
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uint8_t half : 1;
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uint8_t add_subtract : 1;
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};
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struct COLDATA {
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uint8_t value : 4;
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uint8_t channel_select : 3;
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uint8_t unused : 1;
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};
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struct SETINI {
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uint8_t screen_interlace : 1;
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uint8_t obj_interlace : 1;
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uint8_t overscan : 1;
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uint8_t hi_res : 1;
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uint8_t extbg : 1;
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uint8_t external_sync : 1;
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uint8_t unused : 2;
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};
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struct MPYL {
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uint8_t multiplication_result_low : 8;
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};
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struct MPYM {
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uint8_t multiplication_result_mid : 8;
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};
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struct MPYH {
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uint8_t multiplication_result_high : 8;
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};
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struct SLHV {
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uint8_t software_latch : 8;
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};
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struct OAMDATAREAD {
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uint8_t oam_data_read : 8;
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};
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struct VMDATALREAD {
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uint8_t vram_data_read_low : 8;
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};
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struct VMDATAHREAD {
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uint8_t vram_data_read_high : 8;
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};
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struct CGDATAREAD {
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uint8_t cgram_data_read : 8;
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};
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struct OPHCT {
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uint16_t horizontal_counter_output : 9;
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uint8_t unused : 7;
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};
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struct OPVCT {
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uint16_t vertical_counter_output : 9;
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uint8_t unused : 7;
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};
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struct STAT77 {
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uint8_t ppu1_version : 4;
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uint8_t master_slave : 1;
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uint8_t sprite_tile_overflow : 1;
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uint8_t sprite_overflow : 1;
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uint8_t unused : 1;
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};
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struct STAT78 {
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uint8_t ppu2_version : 4;
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uint8_t ntsc_pal : 1;
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uint8_t counter_latch_value : 1;
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uint8_t interlace_field : 1;
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uint8_t unused : 1;
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};
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} // namespace PPURegisters
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// Enum representing different background modes
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enum class BackgroundMode {
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Mode0, // 4 layers, each 2bpp (4 colors)
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418
src/app/emu/video/ppu_registers.h
Normal file
418
src/app/emu/video/ppu_registers.h
Normal file
@@ -0,0 +1,418 @@
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#ifndef YAZE_APP_EMU_VIDEO_PPU_REGISTERS_H
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#define YAZE_APP_EMU_VIDEO_PPU_REGISTERS_H
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#include <array>
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#include <cstdint>
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#include <vector>
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namespace yaze {
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namespace app {
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namespace emu {
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namespace PPURegisters {
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constexpr uint16_t INIDISP = 0x2100;
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// OAM Size Register ($2101): Controls the size of the object/sprite, the base
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// address, and the name selection for the OAM (Object Attribute Memory).
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constexpr uint16_t OBJSEL = 0x2101;
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// OAM Address Register ($2102-$2103): Sets the address for accessing OAM data.
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constexpr uint16_t OAMADDL = 0x2102;
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constexpr uint16_t OAMADDH = 0x2103;
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// OAM Data Register ($2104): Holds the data to be written to the OAM at a
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// specified address.
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constexpr uint16_t OAMDATA = 0x2104;
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// OAM Data Read Register ($2138): Allows reading data from the OAM.
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// Screen Display Register ($2100): Controls screen on/off and brightness.
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// Screen Mode Register ($2105): Defines the screen mode and character size for
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// each background layer.
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constexpr uint16_t BGMODE = 0x2105;
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// Screen Pixelation Register ($2106): Sets the pixel size and screen
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// designation for the mosaic display.
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constexpr uint16_t MOSAIC = 0x2106;
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// BGx VRAM Location Registers ($2107-$210A)
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// Define the location in VRAM where the background screen data is stored.
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constexpr uint16_t BG1SC = 0x2107;
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constexpr uint16_t BG2SC = 0x2108;
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constexpr uint16_t BG3SC = 0x2109;
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constexpr uint16_t BG4SC = 0x210A;
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// BGx & BGy VRAM Location Registers ($210B-$210C):
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// Set the base address for BG character data in VRAM.
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constexpr uint16_t BG12NBA = 0x210B;
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constexpr uint16_t BG34NBA = 0x210C;
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// BGx Scroll Registers ($210D-$2114): Control the horizontal and vertical
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// scroll values for each background layer.
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constexpr uint16_t BG1HOFS = 0x210D;
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constexpr uint16_t BG1VOFS = 0x210E;
|
||||
constexpr uint16_t BG2HOFS = 0x210F;
|
||||
constexpr uint16_t BG2VOFS = 0x2110;
|
||||
constexpr uint16_t BG3HOFS = 0x2111;
|
||||
constexpr uint16_t BG3VOFS = 0x2112;
|
||||
constexpr uint16_t BG4HOFS = 0x2113;
|
||||
constexpr uint16_t BG4VOFS = 0x2114;
|
||||
|
||||
// Video Port Control Register ($2115): Designates the VRAM address increment
|
||||
// value.
|
||||
constexpr uint16_t VMAIN = 0x2115;
|
||||
|
||||
// Video Port Address Register ($2116-$2117): Sets the initial address for
|
||||
// reading from or writing to VRAM.
|
||||
constexpr uint16_t VMADDL = 0x2116;
|
||||
constexpr uint16_t VMADDH = 0x2117;
|
||||
|
||||
constexpr uint16_t VMDATAL = 0x2118;
|
||||
constexpr uint16_t VMDATAH = 0x2119;
|
||||
constexpr uint16_t M7SEL = 0x211A;
|
||||
constexpr uint16_t M7A = 0x211B;
|
||||
constexpr uint16_t M7B = 0x211C;
|
||||
constexpr uint16_t M7C = 0x211D;
|
||||
constexpr uint16_t M7D = 0x211E;
|
||||
constexpr uint16_t M7X = 0x211F;
|
||||
constexpr uint16_t M7Y = 0x2120;
|
||||
constexpr uint16_t CGADD = 0x2121;
|
||||
constexpr uint16_t CGDATA = 0x2122;
|
||||
constexpr uint16_t W12SEL = 0x2123;
|
||||
constexpr uint16_t W34SEL = 0x2124;
|
||||
constexpr uint16_t WOBJSEL = 0x2125;
|
||||
constexpr uint16_t WH0 = 0x2126;
|
||||
constexpr uint16_t WH1 = 0x2127;
|
||||
constexpr uint16_t WH2 = 0x2128;
|
||||
constexpr uint16_t WH3 = 0x2129;
|
||||
constexpr uint16_t WBGLOG = 0x212A;
|
||||
constexpr uint16_t WOBJLOG = 0x212B;
|
||||
constexpr uint16_t TM = 0x212C;
|
||||
constexpr uint16_t TS = 0x212D;
|
||||
constexpr uint16_t TMW = 0x212E;
|
||||
constexpr uint16_t TSW = 0x212F;
|
||||
constexpr uint16_t CGWSEL = 0x2130;
|
||||
constexpr uint16_t CGADSUB = 0x2131;
|
||||
constexpr uint16_t COLDATA = 0x2132;
|
||||
constexpr uint16_t SETINI = 0x2133;
|
||||
constexpr uint16_t MPYL = 0x2134;
|
||||
constexpr uint16_t MPYM = 0x2135;
|
||||
constexpr uint16_t MPYH = 0x2136;
|
||||
constexpr uint16_t SLHV = 0x2137;
|
||||
constexpr uint16_t OAMDATAREAD = 0x2138;
|
||||
constexpr uint16_t VMDATALREAD = 0x2139;
|
||||
constexpr uint16_t VMDATAHREAD = 0x213A;
|
||||
constexpr uint16_t CGDATAREAD = 0x213B;
|
||||
constexpr uint16_t OPHCT = 0x213C;
|
||||
constexpr uint16_t OPVCT = 0x213D;
|
||||
constexpr uint16_t STAT77 = 0x213E;
|
||||
constexpr uint16_t STAT78 = 0x213F;
|
||||
|
||||
struct INIDISP {
|
||||
uint8_t brightness : 4;
|
||||
uint8_t forced_blanking : 1;
|
||||
uint8_t unused : 3;
|
||||
};
|
||||
|
||||
struct OBJSEL {
|
||||
uint8_t name_base_address : 2;
|
||||
uint8_t name_secondary_select : 1;
|
||||
uint8_t sprite_size : 2;
|
||||
uint8_t unused : 3;
|
||||
};
|
||||
|
||||
struct OAMADDL {
|
||||
uint8_t address : 8;
|
||||
};
|
||||
|
||||
struct OAMADDH {
|
||||
uint8_t high_bit : 1;
|
||||
uint8_t priority_rotation : 1;
|
||||
uint8_t unused : 6;
|
||||
};
|
||||
|
||||
struct OAMDATA {
|
||||
uint8_t data : 8;
|
||||
};
|
||||
|
||||
struct BGMODE {
|
||||
uint8_t bg_mode : 3;
|
||||
uint8_t bg3_priority : 1;
|
||||
uint8_t tile_size : 4;
|
||||
};
|
||||
|
||||
struct MOSAIC {
|
||||
uint8_t bg_enable : 4;
|
||||
uint8_t mosaic_size : 4;
|
||||
};
|
||||
|
||||
struct BGSC {
|
||||
explicit BGSC(uint8_t value)
|
||||
: horizontal_tilemap_count(value & 0x01),
|
||||
vertical_tilemap_count((value >> 1) & 0x01),
|
||||
vram_address((value >> 2) & 0x3F) {}
|
||||
uint8_t horizontal_tilemap_count : 1;
|
||||
uint8_t vertical_tilemap_count : 1;
|
||||
uint8_t vram_address : 6;
|
||||
};
|
||||
|
||||
struct BGNBA {
|
||||
explicit BGNBA(uint8_t value)
|
||||
: chr_base_address_2(value & 0x0F),
|
||||
chr_base_address_1((value >> 4) & 0x0F) {}
|
||||
uint8_t chr_base_address_2 : 4;
|
||||
uint8_t chr_base_address_1 : 4;
|
||||
};
|
||||
|
||||
struct BGHOFS {
|
||||
uint16_t horizontal_scroll : 10;
|
||||
uint8_t unused : 6;
|
||||
};
|
||||
|
||||
struct BGVOFS {
|
||||
uint16_t vertical_scroll : 10;
|
||||
uint8_t unused : 6;
|
||||
};
|
||||
|
||||
struct VMAIN {
|
||||
uint8_t increment_size : 2;
|
||||
uint8_t remapping : 2;
|
||||
uint8_t address_increment_mode : 1;
|
||||
uint8_t unused : 3;
|
||||
};
|
||||
|
||||
struct VMADDL {
|
||||
uint8_t address_low : 8;
|
||||
};
|
||||
|
||||
struct VMADDH {
|
||||
uint8_t address_high : 8;
|
||||
};
|
||||
|
||||
struct VMDATA {
|
||||
uint8_t data : 8;
|
||||
};
|
||||
|
||||
struct M7SEL {
|
||||
uint8_t flip_horizontal : 1;
|
||||
uint8_t flip_vertical : 1;
|
||||
uint8_t fill : 1;
|
||||
uint8_t tilemap_repeat : 1;
|
||||
uint8_t unused : 4;
|
||||
};
|
||||
|
||||
struct M7A {
|
||||
int16_t matrix_a : 16;
|
||||
};
|
||||
|
||||
struct M7B {
|
||||
int16_t matrix_b : 16;
|
||||
};
|
||||
|
||||
struct M7C {
|
||||
int16_t matrix_c : 16;
|
||||
};
|
||||
|
||||
struct M7D {
|
||||
int16_t matrix_d : 16;
|
||||
};
|
||||
|
||||
struct M7X {
|
||||
uint16_t center_x : 13;
|
||||
uint8_t unused : 3;
|
||||
};
|
||||
|
||||
struct M7Y {
|
||||
uint16_t center_y : 13;
|
||||
uint8_t unused : 3;
|
||||
};
|
||||
|
||||
struct CGADD {
|
||||
uint8_t address : 8;
|
||||
};
|
||||
|
||||
struct CGDATA {
|
||||
uint16_t data : 15;
|
||||
uint8_t unused : 1;
|
||||
};
|
||||
|
||||
struct W12SEL {
|
||||
uint8_t enable_bg1_a : 1;
|
||||
uint8_t invert_bg1_a : 1;
|
||||
uint8_t enable_bg1_b : 1;
|
||||
uint8_t invert_bg1_b : 1;
|
||||
uint8_t enable_bg2_c : 1;
|
||||
uint8_t invert_bg2_c : 1;
|
||||
uint8_t enable_bg2_d : 1;
|
||||
uint8_t invert_bg2_d : 1;
|
||||
};
|
||||
|
||||
struct W34SEL {
|
||||
uint8_t enable_bg3_e : 1;
|
||||
uint8_t invert_bg3_e : 1;
|
||||
uint8_t enable_bg3_f : 1;
|
||||
uint8_t invert_bg3_f : 1;
|
||||
uint8_t enable_bg4_g : 1;
|
||||
uint8_t invert_bg4_g : 1;
|
||||
uint8_t enable_bg4_h : 1;
|
||||
uint8_t invert_bg4_h : 1;
|
||||
};
|
||||
|
||||
struct WOBJSEL {
|
||||
uint8_t enable_obj_i : 1;
|
||||
uint8_t invert_obj_i : 1;
|
||||
uint8_t enable_obj_j : 1;
|
||||
uint8_t invert_obj_j : 1;
|
||||
uint8_t enable_color_k : 1;
|
||||
uint8_t invert_color_k : 1;
|
||||
uint8_t enable_color_l : 1;
|
||||
uint8_t invert_color_l : 1;
|
||||
};
|
||||
|
||||
struct WH0 {
|
||||
uint8_t left_position : 8;
|
||||
};
|
||||
|
||||
struct WH1 {
|
||||
uint8_t right_position : 8;
|
||||
};
|
||||
|
||||
struct WH2 {
|
||||
uint8_t left_position : 8;
|
||||
};
|
||||
|
||||
struct WH3 {
|
||||
uint8_t right_position : 8;
|
||||
};
|
||||
|
||||
struct WBGLOG {
|
||||
uint8_t mask_logic_bg4 : 2;
|
||||
uint8_t mask_logic_bg3 : 2;
|
||||
uint8_t mask_logic_bg2 : 2;
|
||||
uint8_t mask_logic_bg1 : 2;
|
||||
};
|
||||
|
||||
struct WOBJLOG {
|
||||
uint8_t unused : 4;
|
||||
uint8_t mask_logic_color : 2;
|
||||
uint8_t mask_logic_obj : 2;
|
||||
};
|
||||
|
||||
struct TM {
|
||||
uint8_t enable_layer : 5;
|
||||
uint8_t unused : 3;
|
||||
};
|
||||
|
||||
struct TS {
|
||||
uint8_t enable_layer : 5;
|
||||
uint8_t unused : 3;
|
||||
};
|
||||
|
||||
struct TMW {
|
||||
uint8_t enable_window : 5;
|
||||
uint8_t unused : 3;
|
||||
};
|
||||
|
||||
struct TSW {
|
||||
uint8_t enable_window : 5;
|
||||
uint8_t unused : 3;
|
||||
};
|
||||
|
||||
struct CGWSEL {
|
||||
uint8_t direct_color : 1;
|
||||
uint8_t fixed_subscreen : 1;
|
||||
uint8_t sub_color_window : 2;
|
||||
uint8_t main_color_window : 2;
|
||||
uint8_t unused : 2;
|
||||
};
|
||||
|
||||
struct CGADSUB {
|
||||
uint8_t enable_layer : 5;
|
||||
uint8_t backdrop : 1;
|
||||
uint8_t half : 1;
|
||||
uint8_t add_subtract : 1;
|
||||
};
|
||||
|
||||
struct COLDATA {
|
||||
uint8_t value : 4;
|
||||
uint8_t channel_select : 3;
|
||||
uint8_t unused : 1;
|
||||
};
|
||||
|
||||
struct SETINI {
|
||||
uint8_t screen_interlace : 1;
|
||||
uint8_t obj_interlace : 1;
|
||||
uint8_t overscan : 1;
|
||||
uint8_t hi_res : 1;
|
||||
uint8_t extbg : 1;
|
||||
uint8_t external_sync : 1;
|
||||
uint8_t unused : 2;
|
||||
};
|
||||
|
||||
struct MPYL {
|
||||
uint8_t multiplication_result_low : 8;
|
||||
};
|
||||
|
||||
struct MPYM {
|
||||
uint8_t multiplication_result_mid : 8;
|
||||
};
|
||||
|
||||
struct MPYH {
|
||||
uint8_t multiplication_result_high : 8;
|
||||
};
|
||||
|
||||
struct SLHV {
|
||||
uint8_t software_latch : 8;
|
||||
};
|
||||
|
||||
struct OAMDATAREAD {
|
||||
uint8_t oam_data_read : 8;
|
||||
};
|
||||
|
||||
struct VMDATALREAD {
|
||||
uint8_t vram_data_read_low : 8;
|
||||
};
|
||||
|
||||
struct VMDATAHREAD {
|
||||
uint8_t vram_data_read_high : 8;
|
||||
};
|
||||
|
||||
struct CGDATAREAD {
|
||||
uint8_t cgram_data_read : 8;
|
||||
};
|
||||
|
||||
struct OPHCT {
|
||||
uint16_t horizontal_counter_output : 9;
|
||||
uint8_t unused : 7;
|
||||
};
|
||||
|
||||
struct OPVCT {
|
||||
uint16_t vertical_counter_output : 9;
|
||||
uint8_t unused : 7;
|
||||
};
|
||||
|
||||
struct STAT77 {
|
||||
uint8_t ppu1_version : 4;
|
||||
uint8_t master_slave : 1;
|
||||
uint8_t sprite_tile_overflow : 1;
|
||||
uint8_t sprite_overflow : 1;
|
||||
uint8_t unused : 1;
|
||||
};
|
||||
|
||||
struct STAT78 {
|
||||
uint8_t ppu2_version : 4;
|
||||
uint8_t ntsc_pal : 1;
|
||||
uint8_t counter_latch_value : 1;
|
||||
uint8_t interlace_field : 1;
|
||||
uint8_t unused : 1;
|
||||
};
|
||||
|
||||
} // namespace PPURegisters
|
||||
|
||||
} // namespace emu
|
||||
} // namespace app
|
||||
} // namespace yaze
|
||||
|
||||
#endif // YAZE_APP_EMU_VIDEO_PPU_REGISTERS_H
|
||||
Reference in New Issue
Block a user