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OS_Byte 128 Reason Codes

Programmer's Reference Manuals
» Part 15 – SWI Calls
» OS
» OS_Byte
» OS_Byte 128
» Reason Codes

Reason Codes

Entry
7 Mouse x
8 Mouse y
246 Free bytes in mouse buffer
252 Free bytes in printer buffer
253 Free bytes in serial output buffer
254 Free bytes in serial input buffer
255 Free bytes in keyboard buffer

Notes

Note that for reading free space, R1 = 255 – buffer number.

See also

  • Buffer Numbers
  • OS_Byte
Created on November 13, 2009 21:44:41 by Alan Robertson (52)? (127.0.0.1)
Edit | Views: Print | Source | Linked from: OS_Byte 128

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