Super NES: Difference between revisions

Audio reference
Processors	Nintendo S-SMP
Clock rates	Input: 24.576 MHz; SPC700: 1.024 MHz
Format	8 channel ADPCM
Output	32 kHz 16-bit stereo
Effects	ADSR envelope control; Frequency scaling and modulation using Gaussian interpolation; Echo: 8-tap FIR filter, with up to .24s delay; Noise generation;

Video reference
Resolutions	Progressive: 256×224, 512×224, 256×239, 512×239; Interlaced: 512×448, 512×478
Pixel depth	2, 4, 7, or 8 bpp indexed; 8 or 11 bpp direct
Total colors	32768 (15-bit)
Sprites	128, 32 max per line; up to 64 × 64 pixels
Backgrounds	Up to 4 planes; each up to 1024 × 1024 pixels
Effects	Pixelization (mosaic) per background; Color addition and subtraction; Clipping windows (per background, affecting color, math, or both); Scrolling per 8 × 8 tile; Mode 7 matrix operations;

CPU reference
Processor	Ricoh 5A22, based on a 16-bit 65c816 core
Clock rates (NTSC)	Input: 21.47727 MHz; Bus: 3.58 MHz, 2.68 MHz, or 1.79 MHz
Clock rates (PAL)	Input: 21.28137 MHz; Bus: 3.55 MHz, 2.66 MHz, or 1.77 MHz
Buses	24-bit and 8-bit address buses, 8-bit data bus
Additional features	DMA and HDMA; Timed IRQ; Parallel I/O processing; Hardware multiplication and division;

Revision as of 15:30, 19 June 2015

Memory reference
Main RAM	128 kB
Video RAM	64 kB main RAM 512 + 32 bytes sprite RAM 256 × 15 bits palette RAM
Audio RAM	64 kB

@@ Line 60: / Line 60: @@
 * [[Mode 7|Mode&nbsp;7]] matrix operations
 |}
-[[File:Super Famicom logo.png|thumb|left|The four color Super Famicom mark was also used as part of the Super NES logo in the PAL region. They correspond to the colors of the ABXY buttons of the control pad in those regions.]]
@@ Line 102: / Line 101: @@
 |}
+[[File:Super Famicom logo.png|thumb|left|The four color Super Famicom mark was also used as part of the Super NES logo in the PAL region. They correspond to the colors of the ABXY buttons of the control pad in those regions.]]
 ==Hardware==

CPU reference
Processor	Ricoh 5A22, based on a 16-bit 65c816 core
Clock rates (NTSC)	Input: 21.47727 MHz Bus: 3.58 MHz, 2.68 MHz, or 1.79 MHz
Clock rates (PAL)	Input: 21.28137 MHz Bus: 3.55 MHz, 2.66 MHz, or 1.77 MHz
Buses	24-bit and 8-bit address buses, 8-bit data bus
Additional features	DMA and HDMA Timed IRQ Parallel I/O processing Hardware multiplication and division

Video reference
Resolutions	Progressive: 256×224, 512×224, 256×239, 512×239 Interlaced: 512×448, 512×478
Pixel depth	2, 4, 7, or 8 bpp indexed; 8 or 11 bpp direct
Total colors	32768 (15-bit)
Sprites	128, 32 max per line; up to 64 × 64 pixels
Backgrounds	Up to 4 planes; each up to 1024 × 1024 pixels
Effects	Pixelization (mosaic) per background Color addition and subtraction Clipping windows (per background, affecting color, math, or both) Scrolling per 8 × 8 tile Mode 7 matrix operations

Audio reference
Processors	Nintendo S-SMP
Clock rates	Input: 24.576 MHz SPC700: 1.024 MHz
Format	8 channel ADPCM
Output	32 kHz 16-bit stereo
Effects	ADSR envelope control Frequency scaling and modulation using Gaussian interpolation Echo: 8-tap FIR filter, with up to .24s delay Noise generation