This page (revision-6) was last changed on 03-Feb-2023 15:21 by Florian Dingler 

This page was created on 08-Mar-2010 21:41 by Florian Dingler

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Version Date Modified Size Author Changes ... Change note
6 03-Feb-2023 15:21 891 bytes Florian Dingler to previous
5 26-Jul-2010 13:04 891 bytes Gromit to previous | to last
4 08-Mar-2010 23:04 819 bytes Florian Dingler to previous | to last
3 08-Mar-2010 21:47 697 bytes Florian Dingler to previous | to last
2 08-Mar-2010 21:43 694 bytes Florian Dingler to previous | to last
1 08-Mar-2010 21:41 679 bytes Florian Dingler to last

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BRKKEY
BRKKEY

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At line 1 changed 2 lines
17 11 BRKKEY
Zero means the BREAK key is pressed; any other number means it's not. A BREAK during I/O returns 128 ($80). Monitored by both keyboard, display, cassette and screen handlers. See location 16 ($A) for hints on disabling the BREAK key. The latest editions of OS provide for a proper vector for BREAK interrupts. The BREAK key abort status code is stored in STATUS (48; $30).
||ADR||HEXADR||NAME||Description||shadow||OS
|17|$11|BRKKEY| |X|
''__copied from "Mapping the ATARI" as an example only! Needs to be re-written or completely written from scratch!__''
17 $0011 BRKKEY
Zero means the BREAK key is pressed; any other number means it's not. A BREAK during I/O returns 128 ($80). Monitored by both keyboard, display, cassette and screen handlers. See [POKMSK] location 16 ($A) for hints on disabling the BREAK key. The latest editions of OS provide for a proper vector for BREAK interrupts. The BREAK key abort status code is stored in [STATUS] (48; $30).
This page (revision-6) was last changed on 03-Feb-2023 15:21 by Florian Dingler  Top