ugBASIC User Manual

   ON SCROLL UP ROW CALL label
   ON SCROLL DOWN ROW CALL label
   ON SCROLL LEFT COLUMN CALL label
   ON SCROLL RIGHT COLUMN CALL label

This command is used to force a procedure call when the screen is scrolled down by an entire row or column.

  ON SCROLL UP ROW CALL scrolledAway

 ONScl...Ca

• Atari (400/800)
• Atari XL/XE
• Commodore 128 (MOS 8502)
• Commodore 128 (Zilog Z80)
• Commodore 64
• Commodore 64+REU
• TRS-80 Color Computer
• TRS-80 Color Computer 3
• ColecoVision
• Amstrad CPC 664
• Dragon 32
• Dragon 64
• Thomson MO5
• Thomson MO5
• Olivetti Prodest PC128
• Commodore PLUS/4
• SEGA SC-3000
• SEGA SG-1000
• VG-5000
• Commodore VIC-20
• ZX Spectrum 48

If you have encountered a problem using this command, if you think there is a bug or the explanation is unclear, please open an issue for this keyword on GitHub. Thank you!