Article View: comp.sys.sinclair
Article #23Re: Neat hack proposal for old machines...
From: Leonard Erickson
Date: Mon, 05 Feb 1996 17:17
Date: Mon, 05 Feb 1996 17:17
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bill@umsa7.umd.edu (Bill Sudbrink) writes: > Hmmm... Someplace I think that I have the schematics for the > Kansas City Standard Casette interface. I think that that was > the interface that most micros of the late 70s used. Actually, *none* of the "commercial" systems used it. Only the "homebrew and "kit" systems, and some S100 bus systems. > Others stored interpreter codes (assuming you're > loading a BASIC program). Some, like the TRS-80 I think, could > also directly load hex from tape. It loaded BASIC files (in tokenized or ASCII format), data files (basicly ASCII), and "machine language" files (basicly Z80 executables, stored as 8-bit data with loader headers, so different "blocks" loaded at different addresses, and the final(?) block told the system where to start executing) Leonard Erickson (aka Shadow) shadow@krypton.rain.com (preferred) leonard@qiclab.scn.rain.com (last resort)
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Path: arc1-ca.pugleaf.net!qiclab.scn.rain.com!krypton!shadow From: shadow@krypton.rain.com (Leonard Erickson) Newsgroups: comp.sys.sinclair,comp.sys.cbm,comp.sys.tandy,alt.folklore.computers Subject: Re: Neat hack proposal for old machines... Message-ID: <gV6TiD4w165w@krypton.rain.com> Date: Mon, 05 Feb 96 09:17:15 PST References: <4f0amt$4aj@hecate.umd.edu> Organization: Shadownet