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Author SHA1 Message Date
tkchia cba54b205b plat/msdos386: refactor, firm up, and optimize
- refactor code for transfer buffer reads/writes, real mode
   int 0x21 calls, and assembler segment declarations
 - define transfer buffer size in one place
 - beef up error checking for transfer buffer operations
   (prevent buffer overflows)
 - also optimize such operations to transfer dword by dword
   where feasible
2022-08-26 17:31:28 +00:00
David Given b81ac5e2c3 Cut-and-paste the msdos86 libsys so the msdos386 stuff now at least builds. 2022-08-07 22:10:08 +02:00