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Zapple-II
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Updated list of syscalls supported

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Bobbi Webber-Manners 2019-10-22 11:16:53 -04:00
parent abd1b27047
commit eb27b901ea
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README.md
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@ -108,9 +108,12 @@ CP/M programs really need to see.
- BDOS call 1DH: `DRV_ROVEC` - Return bitmap of read-only drives
- BDOS call 1FH: `DRV_DPB` - Get Drive Parameter Block address
- BDOS call 20H: `F_USERNUM` - Get/set user number
- BDOS call 22H: `F_SIZE` - Compute file size
- BDOS call 21H: `F_READRAND` - Random access read record
- BDOS call 22H: `F_WRITERAND` - Random access write record
- BDOS call 23H: `F_SIZE` - Compute file size
- BDOS call 24H: `F_RANDREC` - Update random access pointer
- BDOS call 25H: `DRV_RESET` - Selectively reset disk drives
- BDOS call 28H: `F_WRITEZF` - Random access write record zero-filled
There are two parts to the BDOS emulation: