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| -rw-r--r-- | whichbas.rst | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/whichbas.rst b/whichbas.rst index 14ec718..472b216 100644 --- a/whichbas.rst +++ b/whichbas.rst @@ -29,7 +29,7 @@ Detection Options **-k** Keep going. The default is to stop looking at the program if the - BASIC type gets narrowed down to either Turbo BASIC XL or BASIC XE. + BASIC type gets narrowed down to either Turbo BASIC or BASIC XE. This option also enables **-v** (verbose). It's really only useful for testing, if you're hacking on **whichbas** itself. @@ -37,6 +37,8 @@ Detection Options NOTES ===== +Atari BASIC programs are detected 100% reliably. + Turbo BASIC, BASIC XL, and BASIC XE are all supersets of Atari BASIC. If you wrote a program using one of them, but didn't use any of the extra commands or functions, the result is still an Atari BASIC program. @@ -50,8 +52,6 @@ file changes from **$00** to **$DD**. Non-extended programs are only identified as BASIC XE if they use any of the extra commands BASIC XE adds to those found in BASIC XL. -Atari BASIC programs can be detected 100% reliably. - Detection of Turbo vs. BXL/BXE isn't 100% reliable, and probably never will be. There's too much overlap between the sets of extra tokens added by each. Programs that don't use very many of the extra @@ -77,7 +77,8 @@ as Atari BASIC... even though _ in variable names is illegal in Atari BASIC and pretty much guarantees the program is Turbo/BXL/BXE. Looking at the variable types could also improve detection, since -Turbo and BXL/BXE support extended variable types. +Turbo and BXL/BXE support extended variable types (procedure labels +for Turbo, string arrays for BXL/BXE). **whichbas** knows nothing about other BASICs such as Frost BASIC, BASIC/A+, Altirra BASIC... |