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Hardware/Processor Interface (view source)

Revision as of 04:20, 18 October 2012

1,891 bytes added ,  04:20, 18 October 2012
clarify PI_FIFO_WP
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{{hwstub}}
 
{{hwstub}}
 
{{yagcd}}
 
{{yagcd}}
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 +
==Interrupt Cause (0x0C003000)==
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{| style="border: 1px solid #bbb; border-collapse: collapse; background-color: #eef; padding: 0.2em 0.2em 0.2em 0.2em;" border="1" cellpadding="2"
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|- style="background-color: #ddd;"
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! IRQ
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! Description
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|-
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| 0 || GP Runtime Error
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|-
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| 1 || Reset Switch
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|-
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| 2 || DVD
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|-
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| 3 || Serial
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|-
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| 4 || EXI
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|-
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| 5 || AI (Audio Interface)
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|-
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| 6 || DSP
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|-
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| 7 || MEM (Memory Interface)
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|-
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| 8 || VI (Video Interface)
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|-
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| 9 || PE Token
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|-
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| 10 || PE Finish
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|-
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| 11 || CP (Command Processor) FIFO
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|-
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| 12 || Debugger
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|-
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| 13 || Highspeed Port
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|-
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| 14 || {{hw|Hollywood IRQs}}
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|-
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| 15 || Unused/reserved
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|-
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| 16 || Reset Switch State
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|-
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| 17-31 || Unused/reserved
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|}
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==Interrupt Mask (0x0C003004)==
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{| style="border: 1px solid #bbb; border-collapse: collapse; background-color: #eef; padding: 0.2em 0.2em 0.2em 0.2em;" border="1" cellpadding="2"
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|- style="background-color: #ddd;"
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! IRQ
 +
! Description
 +
|-
 +
| 0 || GP Runtime Error
 +
|-
 +
| 1 || Reset Switch
 +
|-
 +
| 2 || DVD
 +
|-
 +
| 3 || Serial
 +
|-
 +
| 4 || EXI
 +
|-
 +
| 5 || AI (Audio Interface)
 +
|-
 +
| 6 || DSP
 +
|-
 +
| 7 || MEM (Memory Interface)
 +
|-
 +
| 8 || VI (Video Interface)
 +
|-
 +
| 9 || PE Token
 +
|-
 +
| 10 || PE Finish
 +
|-
 +
| 11 || CP (Command Processor) FIFO
 +
|-
 +
| 12 || Debugger
 +
|-
 +
| 13 || Highspeed Port
 +
|-
 +
| 14 || {{hw|Hollywood IRQs}}
 +
|-
 +
| 15-31 || Unused/reserved
 +
|}
 +
 +
{{reg32 | PI_FIFO_WP | addr = 0x0C003014 | hifields = 3 | lofields = 2 |
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|2        |1      | 13            |
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|U        |R      |R/W            |
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|          |WRAPPED|ADDR          ||
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|11        |5      |
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|R/W      |U      |
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|ADDR      |      |
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}}
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This register holds the current address and state of the CPU FIFO write pointer.
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{{regdesc
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|WRAPPED|Indicates the write pointer reached the end of the FIFO and wrapped to the start. Note that it is in a different location from the gamecube to allow for MEM2 addresses.
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|ADDR|Word address that will be written to next.
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}}
Retrieved from "https://wiibrew.org/wiki/Special:MobileDiff/83422...100951"