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Comment Re:TRS 80 Model I (Score 1) 623

Sorry if I threw you for a loop on this one... I remember hardcards going into expansion slots, of which the Tandy 1000 series had (early ISA bus). My uncle had me put a 40MB hardcard in his Tandy 1000 back in the day. I thought they were the greatest thing to be invented because the entire hard drive system resided on a single card and not spread around the innards of the computer in a mass of cabling.

The Model IV didn't have conventional expansion slots. Nearly everything data I/O related, other than floppies, was done externally. Starting with page 23 of this online copy of a TRS-80 catalog, you'll see what was made for Model IVs

http://www.radioshackcatalogs.com/catalogs_extra/1985_rsc-12/

Comment Re:C64 (Score 1) 623

My parents bought me one of those new VIC-20 computing machines back when they were newly released.

Having never really been exposed to BASIC programming, except for many long sessions in front of TRS-80's, much to the chagrin of Radio Shack managers, I found the VIC-20 user manual rather... "light"... in its content.

Later, I bought the Programmer's Reference Guide, which was an explosion of useful details and information about the VIC-20!!! There was an entire section on memory maps and detailed 6502 assembler codes. Using just that book, I started learning to write and hand compile machine language routines. I would enter the programs via PEEK commands and DATA statements.

Comment Re:Timex Sinclair 1000 (Score 1) 623

you could use the inbuilt PI value to express 0 as PI - PI or 1 as PI / PI which only took 3 bytes.

Awesome trick!!! I never even realized that until now and I had access to a TS1000 when they first came out. However, I would think it's only a speed for space tradeoff. At 1MHz, I wouldn't have relied on that too much for repeated use in loops!

Then again, I used a VIC-20. At least I had 75%-250% more RAM to work with, depending on the stock Sinclair variant.

Comment Re:"Obamacare" cost less than free pizzas (Score 2) 418

In September, Papa Johns ran a campaign where they gave out two million free pizzas. The cost of these pizzas would be $24 to $32 million, estimated.

The "cost" of each free pizza is the cost of ingredients and other fixed costs expended to make each pizza. You can't factor in profits you normally would get by selling the pizza. Unless you're suggesting it costs $12 - $16 to make pizzas which sell for $12 - $16

Even with that in mind, if it costs $6 - $8 to make a pizza, the promotion will still cost more than the PPACA costs, just not quite so much more.

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