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Ilia Sharin 2026-04-26 14:46:18 -04:00
parent 5fac29ccd5
commit 8133b3a6cb
90 changed files with 7794 additions and 705 deletions
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10_devices/trackdisk.md
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@ -128,7 +128,7 @@ ULONG changeCount = diskReq->iotd_Req.io_Actual;
diskReq->iotd_Req.io_Command = TD_ADDCHANGEINT;
diskReq->iotd_Req.io_Data = (APTR)&myInterrupt;
SendIO((struct IORequest *)diskReq);
/* myInterrupt is signalled on disk change */
/* myInterrupt is signaled on disk change */
```
### Track Caching
@ -141,7 +141,7 @@ Read sector 11 → new track → DMA reads track 1
Read sector 5 → cache hit (still in track 0 buffer)
```
> **FPGA implication**: the MiSTer core must emulate this whole-track DMA behaviour for correct timing. Games that measure seek+read latency will behave incorrectly if only single sectors are transferred.
> **FPGA implication**: the MiSTer core must emulate this whole-track DMA behavior for correct timing. Games that measure seek+read latency will behave incorrectly if only single sectors are transferred.
---