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63 lines
2.5 KiB
Plaintext
63 lines
2.5 KiB
Plaintext
*** BAMDUA SPECIAL SERIES ***
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FOR EXPERIENCED DEVELOPERS ONLY vol.DV6
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Morrow MD DSDD - Smith Disk 6 of 10
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________________________________________
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Bill's Drive A2: Generic CP/M+ for CP/M2
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w/ GEN.SUB Copyright Bill Smith
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note: the files on this -- user area/library/disk --
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are property of bill smith, not Morrow Designs,
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Copyright Bill Smith 1985 All Rights Reserved
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Files 31/188k
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BDOS3 .SPR 10k JNK .COM 4k
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BIOS3 .SPR 2k LDRBIOS .ASM 14k
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BIOS3 .SYM 2k LDRBIOS .REL 2k
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CCP .COM 4k LDRBIOS .SYM 2k
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CPM2 .COM 2k LIB .COM 8k
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CPM3 .SYS 10k LINK .COM 16k
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CPMLDR .COM 4k R .COM 0k
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CPMLDR .REL 4k READ .ME 2k
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CPMLDR .SYM 2k RMAC .COM 14k
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DATE .COM 4k SBIOS .ASM 4k
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DUMMY .REL 2k SCB .ASM 2k
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GBIOS .ASM 14k SCB .REL 2k
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GBIOS .SYM 2k SCB .SYM 2k
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GEN .SUB 2k SID .COM 8k
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GENCPM .COM 22k XREF .COM 16k
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HBIOS .ASM 6k
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PROGRAM ID:
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GBIOS3.ASM
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GENERIC LOADER AND BIOS FOR CP/M PLUS
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FOR CP/M-80 V2.2 SYSTEMS UNBANKED NO HASHING
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BIOS PERFORMS BLOCKING/DEBLOCKING
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ORGANIZATIONAL COMMENTARY
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This BIOS is designed to be the user's first step
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in making an upgrade from CP/M-80 v2.2 to CP/M Plus v3.0.
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This BIOS will function properly in most CP/M-2 systems,
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even those with the BIOS in PROM.
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FUNCTION:
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This PROGRAM implements an UNBANKED, NON-HASHED,
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UNBUFFERED BIOS for CP/M Plus version 3.0.
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METHOD:
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CP/M Plus allows many levels of sophistocation in
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the implementation of the BIOS. At the highest levels,
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the BIOS allows CP/M Plus to manage a potentially large
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memory pool which acts like an instant access disk drive,
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a substantial performence enhancement. At the lowest level,
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the performance of CP/M Plus is the same as that of CP/M-80
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version 2.2. This interface program is a simple implementation
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of a CP/M Plus BIOS which operates as a parasite to the user's
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existing BIOS for CP/M-80 version 2.2.
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PURPOSE:
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This BIOS allows the CP/M-80 v2.2 user to easily
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upgrade to CP/M Plus v3.0 and enjoy its logical enhancements
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at the same level of performance he has enjoyed with v2.2.
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This BIOS can be an end-point since system performance
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will be satisfactory. For users who own the hardware
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required to implement hashing and buffering, this BIOS
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will serve as a welcome starting point for further enhancement.
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