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Atari ST series - Page 333

Atari ST series
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The Line A Variable Table
- 324 to - 321 (- $144 to - $143)
SAVE
__
STAT
Save area status flag.
Bit
Number Description
0 Information in save buffer valid? (1 = yes, 0 = no)
1 Width of area save (0 = 16 bits, 1 = 32 bits)
2-15 Reserved
-322 to -067 (-$142 to -$043)
SAVE
__
AREA
Save buffer for the mouse pointer sprite.
-066 to -063 (-$042 to -$03F)
USER
__
TIM
This vector can be used to install a routine that executes dur
ing each system timer-tick interrupt. The user's routine
should end by jumping to the address stored in NEXT__TIM,
below. For more information, see the description of the VDI
function vex
__
timv() in COMPUTERS Technical Reference
Guide, Atari ST Volume One: The VDI.
- 062 to - 059 ( - $03E to - $03B)
NEXT_TIM
See above.
- 058 to - 055 ( - $03A to - $037)
USER
__
BUT
The Button Change vector. For more information, see the de
scription of the VDI function vex
__butv() in COMPUTE!'s
Technical Reference Guide, Atari ST Volume One: The VDI.
- 054 to - 050 ( - $036 to - $033)
USER
__
CUR
The Cursor Change vector. For more information, see the de
scription of the VDI function vex
__
curv() in COMPUTE!'s
Technical Reference Guide, Atari ST Volume One: The VDI.
-050 to -047 (-$032 to -$02F)
USER
__
MOT
The Mouse Movement vector. For more information, see the
description of the VDI function vex
__
motv() in COMPUTE!'s
Technical Reference Guide, Atari ST Volume One: The VDI.
325