Changeset 473 in xtideuniversalbios for trunk/XTIDE_Universal_BIOS/Inc/Controllers/XTCF.inc


Ignore:
Timestamp:
Oct 10, 2012, 6:22:23 PM (12 years ago)
Author:
aitotat@…
google:author:
aitotat@gmail.com
Message:

Changes to XTIDE Universal BIOS:

  • Large changes to prepare full XT-CF support (DMA not yet implemented and memory mapped transfers are not working).
File:
1 edited

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  • trunk/XTIDE_Universal_BIOS/Inc/Controllers/XTCF.inc

    r472 r473  
    2323%define XTCF_INC
    2424
     25XTCF_DMA_MODE_MAX_BLOCK_SIZE        EQU     64      ; Sectors
     26OFFSET_TO_CONTROL_BLOCK_REGISTERS   EQU     8
     27
    2528; Possible base addresses. Note that all XT-CF IDE registers are SHL 1 compared
    2629; to standard IDE registers.
    … …  
    4245; 8-bit PIO transfers (port I/O) are used if Control Register is zero.
    4346; Any other value means DMA transfers (using DMA channel 3).
     47XTCF_8BIT_PIO_MODE                  EQU     0
     48XTCF_MEMORY_MAPPED_MODE             EQU     0A0h
     49
    4450
    4551
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