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- @Nick_Westgate thanks for the comprehensive answer that corrects the Wikipedia page. I've seen at least two versions of the IIgs Applesoft BASIC, any idea what changed, maybe just the PLOT bug fix?Michael Shopsin– Michael Shopsin2016-05-04 13:48:31 +00:00Commented May 4, 2016 at 13:48
- I've just summarized the changes as documented by the Apple II History site and the two blue books, and borrowed some textual descriptions from Wikipedia. But I maintain my answers, so I'll have a look through the ROMs when I have time to correct and elaborate. What do you mean by "two versions of the IIgs Applesoft"? Different ROM revisions?Nick Westgate– Nick Westgate2016-05-04 22:16:09 +00:00Commented May 4, 2016 at 22:16
- @Nick_Westgate I stand corrected, I compared the BASIC.system file from GSOS 3.x and GSOS 6.0.1 and they are the same except for one byte. So all version of AppleSoft BASIC supplied with GSOS are the same.Michael Shopsin– Michael Shopsin2016-05-05 14:01:54 +00:00Commented May 5, 2016 at 14:01
- 1@JosephCarter [link]fileformats.archiveteam.org/wiki/… Two things I notice about its list: at B8 184, which says "DEF FN", the token is just for DEF because FN has a separate token. At CC 204 it shows a semicolon; it should be a caret mark ^ (exponentiation).Alan Rat– Alan Rat2017-05-12 22:47:45 +00:00Commented May 12, 2017 at 22:47
- 2@MichaelShopsin Applesoft BASIC is contained in ROM on the IIgs, not in the file named BASIC.system; the latter is just the code that acts as an intermediate between BASIC and Apple ProDOS, allowing the entry of ProDOS command at the BASIC prompt and the use of ProDOS commands from within BASIC programs using the same PRINT CHR$(4)+<command string> method as in Apple DOS. (and yes I know this is an old discussion, just to set the record straight).TeaRex– TeaRex2023-11-18 09:42:22 +00:00Commented Nov 18, 2023 at 9:42
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