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Thanks for your answers. P.S. They made Leisure Suit Larry for zx 48: https://spectrumcomputing.co.uk/forums/viewtopic.php?t=1344
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Terrible Old TI-99/4A Games You Probably Never Heard Of
Elia Spallanzani fdt replied to xabin's topic in TI-99/4A Computers
We loved zero zap! You could even create the scenario! -
http://www.abadiadelcrimen.com/download/abadia_z80_dasm.zip
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And "The abbey of crime"? https://en.m.wikipedia.org/wiki/La_Abadía_del_Crimen
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Texas Instruments Dimension 4
Elia Spallanzani fdt replied to fabrice montupet's topic in TI-99/4A Computers
This article mentions the project of ti99 with the z80 https://books.google.it/books?id=vi4EAAAAMBAJ&pg=PA59&lpg=PA59&dq=death+of+a+computer+nocera&source=bl&ots=M4D684neY6&sig=ACfU3U2ONap5MJbjJ0grG8t0L49_ilhKfQ&hl=it&sa=X&ved=2ahUKEwj-hsqTrfblAhWQzKQKHYwkCksQ6AEwA3oECAMQAQ#v=onepage&q=death of a computer nocera&f=false -
Processor speed measured: 0.136 MIPS
Elia Spallanzani fdt replied to speccery's topic in TI-99/4A Computers
But ti99 has better latency https://danluu.com/input-lag/ -
Historical Interviews with TI employees
Elia Spallanzani fdt replied to kl99's topic in TI-99/4A Computers
in this post ( http://www.mainbyte.com/ti99/history/history.html) the author claims that the sales of the ti99 were good when suddenly "the disaster struck": "It was discovered that under certain circumstances, a person might receive an electrical shock from the computer’s power supply, although no user had yet experienced such a problem. " doesn't it seem like a sort of self-absolution for a series of technical and strategical errors? -
In this old post (http://www.vcfed.org/forum/showthread.php?49301-TI990-minis&p=384192#post384192) pnr says that "By the late 70's a major use for the TI990 was running Cobol programs. At that time Cobol (and Fortran) did not have support for recursive procedures: the local storage was not stack allocated, but had fixed memory allocations. In this pattern, each procedure (or 'performed' paragraph) would have its own workspace and be called with a BLWP. According to the article, Cobol code did a context switch every 30 instructions or so. Compare this to e.g. an IBM360 that had to perform a full registers Load/Store Multiple to a procedure save area on each context switch. For 1970's Cobol the "registers in memory workspace" concept was quite defensible." The architecture of ti994a is a derivative of 990?
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Wow! But do you think it's possible to convert the great escape (http://www.davespace.co.uk/the.great.escape/) ?