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Basic XL by OSS#

ROM#

• Basic XL/OSSBasicXL103.rom latest rom image from OSS

ATR-Image#

• BASIC XL Toolkit Disk-Side A.atr including AUTORUN maker
• BASIC XL Toolkit Disk-Side B.atr including EXTEND (BASIC XL is enlarged with 4K additional code!)

According to Alfred from AtariAge, there is a problem with EXTEND: Wrong is that the MOVE $0570,$C4,4 statement doesn't work. $0570 is loaded with the proper values, but the cart command doesn't actually move the four bytes. If you deposit the proper values in $C4 and $C6 then the extension works. Thank you very much Alfred, we really appreciate your help.

Manuals#

• 30 Days to Understanding BASIC XL-Bill Wilkinson and Diane Goldstein.pdf 180 pages, OCR, tera thanks to low.blow from AtariAge, he will never be forgotten!
• OSS BASIC XL-Reference Manual-1st Edition 1983.pdf 143 pages, OCR, tera thanks to low.blow from AtariAge, he will never be forgotten!
• Basic XL/BASIC_XL_Manual.pdf 158 pages, OCR, reprint
• OSS-The Basic XL Toolkit-Including the BASIC XL Runtime Package-Reference Manual.pdf 42 double-pages, OCR

Articles#

• OSS Basic XL Review (german)
• Basic XL Information on Wikipedia