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Alternatively, each channel can be individually switched to "Direct D/A" mode in which the programmer can send data directly to the sound mixer, allowing more complex sound patterns to be generated, such as speech. Inevitably, this requires more programming effort and CPU time.
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of 8 KB. Each logical 8 KB segment is associated with one of 256 physical 8 KB sized segments. This can be set up with an 8-bit register (MPR0-7) that contains the most significant eight bits of the address of the 8 KB
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0-1 - Waveform playback
Frequency modulation (channel 1 muted) 2-3 - Waveform playback only 4-5 - Waveform playback White noise generation
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in physical memory. Thus the logical 64 KB address space can be overlapping, continuous or scattered in physical address space, depending on the eight MPR registers.
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Waveform playback is the most common and allows a 32-byte, 5-bit unsigned linear sample to be played back at selected frequencies.
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takes this one step further, allowing the playback frequency to be dynamically adjusted according to a specified pattern.
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provides six sound channels, which can be conveniently paired according to the functionality they provide:
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is used to simulate percussion instruments and effects, such as explosions, by means of a pseudo-random
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core which has several additional instructions and a few internal peripheral functions such as an
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8-bit CPU (the latter is essentially a simplified, less expensive and faster version of
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217:(PSG). The processor operates at two speeds, 1.79 MHz and 7.16 MHz.
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228:. This revision reportedly fixed some minor audio issues in those systems.
262:- transfer the content of the accumulator (A) into an MPR register (0-7).
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Two special instructions are used to access these registers:
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space, but a 2 MB physical address space. The HuC6280 uses a
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http://shu.emuunlim.com/download/pcedocs/pce_cpu.html
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was released and used in the PC Engine CoreGrafx and
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https://www.copetti.org/writings/consoles/pc-engine/
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268:- transfer an MPR register into the accumulator.
178:. The most notable product using the HuC6280 is
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53:. Unsourced material may be challenged and
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117:Learn how and when to remove this message
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213:, an 8-bit parallel I/O port, and a
170:design), manufactured for Hudson by
51:adding citations to reliable sources
401:(and 6510T, 6512, 6513, 6514, 6515)
244:that splits the memory space into
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317:http://www.magicengine.com/mkit/
23:
1:
484:Interrupts in 65xx processors
380:(and 6501, 6503, 6504, 6505)
215:programmable sound generator
151:'s improved version of the
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236:The HuC6280 has a 64 KB
197:The HuC6280 contains a
407:(and 7501, 8500, 8501)
242:Memory Management Unit
207:memory management unit
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422:Western Design Center
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66:"Hudson Soft HuC6280"
685:65xx microprocessors
288:Frequency modulation
203:interrupt controller
147:is Japanese company
47:improve this article
16:8-bit microprocessor
582:Video game consoles
278:wavetable synthesis
220:A slightly revised
160:MOS Technology 6502
187:video game console
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631:Handheld consoles
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133:Revised HuC6280A
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504:Hudson HuC6280
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306:External links
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232:Memory mapping
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145:microprocessor
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68: –
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62:Find sources:
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42:
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32:This article
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26:
21:
20:
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638:TurboExpress
540:Chuck Peddle
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477:Architecture
447:(and 65C802)
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45:Please help
33:
695:Hudson Soft
535:Bill Mensch
296:square wave
292:White noise
276:PSG-styled
193:Description
172:Seiko Epson
149:Hudson Soft
107:August 2014
679:Categories
647:Technology
605:SuperGrafx
519:Ricoh 5A22
514:Ricoh 2A03
468:740 family
456:Mitsubishi
413:(and 4510)
226:SuperGrafx
77:newspapers
528:Designers
153:WDC 65C02
34:does not
610:TurboDuo
497:machines
246:segments
222:HuC6280A
164:Motorola
659:HuC6270
654:HuC6280
460:Renesas
251:segment
139:HuC6280
91:scholar
55:removed
40:sources
664:HuCard
445:65C816
440:65C265
435:65C134
411:65CE02
93:
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79:
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622:PC-FX
584:from
430:65C02
371:, CSG
211:timer
199:65C02
142:8-bit
98:JSTOR
84:books
615:Mini
495:game
493:For
405:8502
399:6510
394:6509
389:6508
384:6507
378:6502
266:TMAi
260:TAMi
209:, a
205:, a
174:and
168:6800
137:The
70:news
38:any
36:cite
586:NEC
182:'s
180:NEC
176:NEC
166:'s
156:CPU
49:by
681::
458:,
298:.
189:.
574:e
567:t
560:v
355:e
348:t
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120:)
114:(
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105:(
95:·
88:·
81:·
74:·
57:.
43:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
