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31 lines
1.4 KiB
31 lines
1.4 KiB
In general, the BPBIOS for RomWBW is incomplete. This is
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mostly just a proof of concept that it can work. As such,
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it is not built or included in the default builds of
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RomWBW. You *must* review and adjust the file romwbw.lib
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before building BPBIOS. To include BPBIOS in the build
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process, you need to uncomment the corresponding line
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in the Build.cmd file in the Source directory.
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For now, BPBIOS does not understand the dynamic disk assignment
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mechanism of RomWBW. This means that you need to explicitly
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tell BPBIOS the console unit number and the disk unit number of
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the first hard disk device. Floppy drives are basically not
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supported. You should review and adjust the romwbw.lib file
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as needed. The RomWBW ASSIGN command is not supported. BPBIOS
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will boot from the first hard disk unit number you assign and
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always from the first slice.
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As documented in "@WBW Z3ENV.txt", there are two general
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configurations of BPBIOS for RomWBW. I strongly recommend
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using the T configurations (external HBIOS proxy). This is
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the long term direction for BPBIOS on RomWBW. The N
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configurations (internal HBIOS proxy) will not work with
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interrrupts of any kind. This means that to use the N
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configurations, you *must* use a RomWBW ROM built with
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interrupts disabled or chaos will ensue.
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BPBIOS does not yet understand the 1024 directory entry
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hard disk format. You must use the 512 directory entry
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format images.
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--WBW 7:32 PM 10/3/2021
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