[Coco] [Spam] Re: 4K CoCo 1 & EDTASM+

Rogelio Perea os9dude at gmail.com
Wed Jan 14 19:50:04 EST 2015


Followed Simon's suggestion to assemble the short routine (12 bytes long) in memory with the absolute origin switch enabled - chose $E00 as the ORG for the sample program. No errors reported on assembly, flipped to Zbug and entered the command string:

P SCREENF E00 E0C E00

EDTASM+ writes the ML file on tape from its RAM location, exiting to BASIC and doing a CLOADM loads the program into memory and allows problem free execution.

If I try this exercise using an ECB CoCo, the assembly to tape will create a proper file that loads without breaking into the ?FM ERROR as with an assembly attempt on the 4K CoCo with Color Basic 1.0

Cassette write routines seem to be different between the Editor and Zbug in EDTASM Pak.

-- RP


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