Nintendo S-SMP
Super Nintendo Entertainment System, Ken Kutaragi, Sony
978-613-9-39651-1
6139396514
144
2012-05-06
45.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Nintendo S-SMP is the audio CPU of the SNES video game console. The SNES contains a sound module called APU which is almost completely separate from the rest of the system: it is clocked at a nominal 24.576 MHz in both NTSC and PAL systems, and can only communicate with the main board via 4 registers on Bus B. It was designed by Ken Kutaragi and manufactured by Sony, who subsequently entered the video game console industry with its PlayStation brand. The S-SMP is located on the left side of the sound module. It shares 64 KB of PSRAM with the S-DSP and runs at 2.048 MHz, divided by 12 off of the 24.576 MHz crystal. It has six internal registers, and can execute 256 opcodes. The SPC700 instruction set is quite similar to that of the 6502 CPU family, but includes additional instructions, including XCN which swaps the upper and lower 4-bit portions of the 8-bit accumulator, and an 8-by-8-to-16-bit multiply instruction.
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Технология
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