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|    comp.sys.ibm.ps2.hardware    |    Discussing IBM PS/2 hardware    |    42,985 messages    |
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|    Message 42,272 of 42,985    |
|    Tomas Slavotinek to Louis Ohland    |
|    Re: Who needs CBASIC?    |
|    29 Nov 23 23:32:45    |
      From: slavotinek@gmail.com              On 28.11.2023 4:22, Louis Ohland wrote:       > Dave, how are CBASIC and CBIOS related? I _ASS U MEd_ that CBASIC is not       > part of the Compatibility BIOS [CBIOS], and deleting the 32KB is like       > removing tonsils [but without ice cream].              The two are almost completely unrelated. Well, POST calls Int 18 handler       to invoke BASIC. And I assume ROM BASIC uses BIOS interrupt handlers for       I/O and what not, but that's probably about it.              The ROM BASIC block can be safely removed if the Int 18 handler is       tweaked accordingly (only applies to pre-IML machines). As far as I know       BASIC/BASICA.COM are the only programs that require ROM BASIC to run, so       no need to worry about compatibility issues.               > This is all related to replacing a floppy during boot at a very        > primitive level... Can you hear the drums?              The 32 K space could be used to extend POST/BIOS capabilities on the       older machines. A ROM-resident setup would be cool too (with support for       only a few selected adapters probably... but enough to configure most       systems).              --- SoupGate-Win32 v1.05        * Origin: you cannot sedate... all the things you hate (1:229/2)    |
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