ppu

package

v0.0.0-...-859ef25 Latest Latest Go to latest Published: May 12, 2019 License: GPL-3.0-or-later Imports: 8 Imported by: 0

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Repository

github.com/jonathandasilvasantos/2014-alphanes-nintendo-emulator

Documentation ¶

Overview ¶

This file is part of Alphanes.

Alphanes is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Alphanes is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Alphanes.  If not, see <http://www.gnu.org/licenses/>.

Copyright 2014, 2014 Jonathan da Silva SAntos ¶

This file is part of Alphanes.

Alphanes is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Alphanes is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Alphanes.  If not, see <http://www.gnu.org/licenses/>.

Copyright 2014, 2014 Jonathan da Silva SAntos ¶

This file is part of Alphanes.

Alphanes is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Alphanes is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Alphanes.  If not, see <http://www.gnu.org/licenses/>.

Copyright 2014, 2014 Jonathan da Silva SAntos ¶

This file is part of Alphanes.

Alphanes is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Alphanes is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Alphanes.  If not, see <http://www.gnu.org/licenses/>.

Index ¶

func Bit0(input byte) byte
func Bit1(input byte) byte
func Bit2(input byte) byte
func Bit3(input byte) byte
func Bit4(input byte) byte
func Bit5(input byte) byte
func Bit6(input byte) byte
func Bit7(input byte) byte
func ClearVBLANK(ppu *PPU)
func H(value uint16) byte
func L(value uint16) byte
func LE(a byte, b byte) uint16
func Process(ppu *PPU, cart *cartridge.Cartridge)
func READ_SCREEN(ppu *PPU, x int, y int) int
func ReadBit(input byte, pos byte) byte
func ReadPPURam(ppu *PPU, addr uint16) byte
func SetBit(input byte, pos byte, value byte) byte
func SetVBLANK(ppu *PPU)
func ShowScreen(ppu *PPU)
func WRITE_SCREEN(ppu *PPU, x int, y int, k int)
type PPU
- func StartPPU(IO *ioports.IOPorts) PPU

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Bit0 ¶

func Bit0(input byte) byte

func Bit1 ¶

func Bit1(input byte) byte

func Bit2 ¶

func Bit2(input byte) byte

func Bit3 ¶

func Bit3(input byte) byte

func Bit4 ¶

func Bit4(input byte) byte

func Bit5 ¶

func Bit5(input byte) byte

func Bit6 ¶

func Bit6(input byte) byte

func Bit7 ¶

func Bit7(input byte) byte

func ClearVBLANK ¶

func ClearVBLANK(ppu *PPU)

func H ¶

func H(value uint16) byte

func L ¶

func L(value uint16) byte

func LE ¶

func LE(a byte, b byte) uint16

func Process ¶

func Process(ppu *PPU, cart *cartridge.Cartridge)

func READ_SCREEN ¶

func READ_SCREEN(ppu *PPU, x int, y int) int

func ReadBit ¶

func ReadBit(input byte, pos byte) byte

func ReadPPURam ¶

func ReadPPURam(ppu *PPU, addr uint16) byte

func SetBit ¶

func SetBit(input byte, pos byte, value byte) byte

func SetBit(input *byte, pos byte, value byte ) {
	if value == 1 {
		*input |= 1 << pos
	} else {
		*input &= ^(1 << pos)
	}
}

func SetVBLANK ¶

func SetVBLANK(ppu *PPU)

func ShowScreen ¶

func ShowScreen(ppu *PPU)

func WRITE_SCREEN ¶

func WRITE_SCREEN(ppu *PPU, x int, y int, k int)

Types ¶

type PPU ¶

type PPU struct {
	SCREEN_DATA []int

	Name     string
	CYC      int
	SCANLINE int
	D        *debug.PPUDebug

	ATTR      byte
	HIGH_TILE byte
	LOW_TILE  byte

	VISIBLE_SCANLINE bool

	IO *ioports.IOPorts
}

func StartPPU ¶

func StartPPU(IO *ioports.IOPorts) PPU

Source Files ¶

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