User contributions for Banshaku

13 June 2009

• 02:2802:28, 13 June 2009 diff hist +14‎ m CPU memory map ‎No edit summary
• 02:1602:16, 13 June 2009 diff hist +66‎ m NES reference guide ‎ →‎Notes

12 June 2009

• 16:1016:10, 12 June 2009 diff hist +31‎ m Nesdev Wiki ‎ →‎Current news
• 16:1016:10, 12 June 2009 diff hist +117‎ m Nesdev Wiki ‎ →‎Current news
• 16:0716:07, 12 June 2009 diff hist 0‎ m Nesdev Wiki ‎ →‎Welcome
• 15:5415:54, 12 June 2009 diff hist −99‎ m NES reference guide ‎ →‎Notes
• 15:5415:54, 12 June 2009 diff hist −257‎ m NES reference guide ‎ →‎Notes
• 15:5315:53, 12 June 2009 diff hist +7‎ m NES reference guide ‎ →‎File reference
• 15:5315:53, 12 June 2009 diff hist +4‎ m NES reference guide ‎ →‎Hardware reference
• 15:4515:45, 12 June 2009 diff hist +120‎ m NES reference guide ‎ →‎Notes
• 15:4215:42, 12 June 2009 diff hist +3,635‎ Nm PPU scrolling ‎ Created page with 'Writing to <code>PPUSCROLL</code> ($2005) and <code>PPUADDR</code> ($2006) affects the same internal PPU registers, but in different ways. The same 15-bit VRAM addres...'
• 15:3915:39, 12 June 2009 diff hist +30‎ m Cartridge board reference ‎ →‎Board reference
• 15:3815:38, 12 June 2009 diff hist +1,130‎ Nm NINA-003-006 ‎ Created page with ''''NINA-003''' and '''NINA-006''' (author is embarrassed not to know which is which) are unlicensed boards produced by American Video Entertainment. == Overview == * PRG ROM siz...'
• 15:3715:37, 12 June 2009 diff hist 0‎ m Mapper ‎ →‎Programmer's reference
• 15:3715:37, 12 June 2009 diff hist +31‎ m Mapper ‎ →‎Programmer's reference
• 15:3415:34, 12 June 2009 diff hist +10,085‎ Nm NSF ‎ Created page with 'The basic idea is one rips the music/sound code from an NES game and prepends a small header to the data. A program of some form (6502/sound emulator) then takes the data and lo...'
• 15:3315:33, 12 June 2009 diff hist +53‎ m NES reference guide ‎No edit summary
• 15:3115:31, 12 June 2009 diff hist −89‎ m APU ‎No edit summary
• 15:3015:30, 12 June 2009 diff hist +9‎ m APU ‎ →‎Famicom extra audio
• 15:2915:29, 12 June 2009 diff hist +152‎ m APU ‎No edit summary
• 15:2515:25, 12 June 2009 diff hist +47‎ m Hardware pinout ‎ →‎Misc
• 15:2415:24, 12 June 2009 diff hist +5,298‎ N CHR ROM vs. CHR RAM ‎ Created page with 'Once your game has more than 8 KB of tile data, you'll need to use a mapper to load more data into the PPU. Mappers have two ways of increasing the amount of CHR available: banks...'
• 15:2415:24, 12 June 2009 diff hist +71‎ m Getting started ‎No edit summary
• 15:2115:21, 12 June 2009 diff hist 0‎ m Overscan ‎No edit summary
• 15:2015:20, 12 June 2009 diff hist +3,722‎ Nm Overscan ‎ Created page with 'The NES PPU always generates a 256x240 pixel picture. But there is a recurring misconception that the picture is 256x224 pixels on NTSC. This article explains how both ar...'
• 15:1915:19, 12 June 2009 diff hist +1‎ m PPU ‎No edit summary
• 15:1915:19, 12 June 2009 diff hist +24‎ m PPU ‎ →‎Hardware behaviors
• 15:1415:14, 12 June 2009 diff hist −4‎ m APU Misc ‎No edit summary
• 15:1415:14, 12 June 2009 diff hist −12‎ m APU DMC ‎No edit summary
• 15:1215:12, 12 June 2009 diff hist +2,058‎ Nm APU Status ‎ Created page with 'The NES APU status register allows channels to be enabled and disabled, and the current playing status of channels and the interrupt flags to be read. {| border=1 | '''$...'
• 15:1115:11, 12 June 2009 diff hist +1,296‎ Nm APU Mixer Emulation ‎ Created page with 'The NES APU Mixer can be efficiently emulated using a lookup table or a less-accurate linear approximation. == Lookup Table == The APU mixer formulas can be effic...'
• 15:1115:11, 12 June 2009 diff hist +1,357‎ Nm APU Mixer ‎ Created page with 'The NES APU mixer takes the channel outputs and converts them to an analog audio signal. Each channel has its own internal digital-to-analog convertor (DAC), implemented ...'
• 15:1115:11, 12 June 2009 diff hist +1,810‎ Nm APU Sweep ‎ Created page with 'A NES APU sweep unit can be made to periodically adjust a pulse channel's period up or down. Each sweep unit contains the following: divider, ...'
• 15:1015:10, 12 June 2009 diff hist −4‎ m APU Frame Counter ‎No edit summary
• 15:1015:10, 12 June 2009 diff hist +2,111‎ Nm APU Frame Counter ‎ Created page with 'The NES APU frame counter generates low-frequency clocks for the channels and an optional 60 Hz interrupt. The frame counter contains the following: divider...'
• 15:0915:09, 12 June 2009 diff hist +1,913‎ Nm APU Envelope ‎ Created page with 'The NES APU volume envelope unit generates a constant volume or a decreasing saw envelope with optional looping. Each volume envelope unit contains the following: start ...'
• 15:0915:09, 12 June 2009 diff hist +2,649‎ Nm APU Length Counter ‎ Created page with 'The length counter provides automatic duration control for the NES APU waveform channels. Once loaded with a value, it can optionally count down and silence the channel w...'
• 15:0815:08, 12 June 2009 diff hist +1,300‎ Nm APU Misc ‎ Created page with 'All NES APU channels have some form of frequency control. The term '''frequency''' is used where larger register value(s) correspond with higher frequencies, and the term...'
• 15:0115:01, 12 June 2009 diff hist +5,867‎ Nm APU DMC ‎ Created page with 'The NES APU's delta modulation channel (DMC) can output 1-bit delta-encoded samples or can have its 7-bit counter directly loaded, allowing flexible ma...'
• 15:0015:00, 12 June 2009 diff hist +2,378‎ Nm APU Noise ‎ Created page with 'The NES APU triangle channel generates a pseudo-triangle wave. It has no volume control; the waveform is either cycling or suspended. It includes a ''linear counter'', an...'
• 15:0015:00, 12 June 2009 diff hist +2,378‎ Nm APU Triangle ‎ Created page with 'The NES APU triangle channel generates a pseudo-triangle wave. It has no volume control; the waveform is either cycling or suspended. It includes a ''linear counter'', an...'
• 14:5914:59, 12 June 2009 diff hist +2,466‎ Nm APU Pulse ‎ Created page with 'Each of the two NES APU pulse (square) wave channels generate a pulse wave with variable duty. Each pulse channel contains the following: [[APU Envelope|envelope generat...'
• 14:5814:58, 12 June 2009 diff hist +3,551‎ Nm APU registers ‎ Created page with 'The following memory-mapped registers are used by the NES APU. They are write-only except $4015 which is read/write. Unused registers aren't listed. {| border=1 ! Addr |...'
• 14:5814:58, 12 June 2009 diff hist +2,594‎ Nm APU ‎ Created page with '''I am still polishing this reference. I've gotten most of the main work done. -- Blargg'' The NES APU is the audio processing unit in the NES console which gene...'
• 14:5514:55, 12 June 2009 diff hist +2,035‎ Nm VRC7 pinout ‎ Created page with '<pre> Legend: ------- (s) means this pin connects to the System (r) this only connects to the ROM (w) this is a SRAM/WRAM connection only PRG : these connect to the PRG ROM and/...'
• 14:5414:54, 12 June 2009 diff hist −13‎ m VRC6 pinout ‎No edit summary
• 14:5214:52, 12 June 2009 diff hist +2,179‎ Nm VRC6 pinout ‎ Created page with 'Legend: ------- (s) means this pin connects to the System (r) this only connects to the ROM (w) this is a SRAM/WRAM connection only AUD : these pass to the resistor network CHR ...'
• 14:5014:50, 12 June 2009 diff hist +1,369‎ Nm MMC6 pinout ‎ Created page with '<pre> 48 33 | | .------. 49-| |-32 | MMC6 | 64-| |-17 \------' | | 01 16 </pre> {| border=1 ! Pin || Function || Pin || Function || ...'
• 14:4914:49, 12 June 2009 diff hist +2,796‎ Nm MMC5 pinout ‎ Created page with '<pre> 80 51 | | .------. 81-| |-50 | MMC5 | 100-| |-31 \------' | | 01 30 </pre> {| border=1 ! Pin || Function || Pin || Func...'
• 14:4914:49, 12 June 2009 diff hist +1,164‎ Nm MMC3 pinout ‎ Created page with '<pre> 33 23 | | .------. 34-| |-22 | MMC3 | 44-| |-12 \------' | | 01 11 </pre> {| border=1 ! Pin || Function || Pin || Function || ...'