Atari ST series Technical Reference Manual page 334

- 046 to - 045
Text cell height (in pixels).
- 044 to - 043
Maximum horizontal text position (in characters). This equals
the maximum number of characters on a line, minus one.
- 042 to - 041
Maximum vertical text position (in characters). This equals
the maximum number of screen rows, minus one.
- 040 to - 039
Number of bytes to the next vertical character cell.
-0 3 8 to -0 3 7
Color register of text background color.
- 036 to - 035
Color register of text foreground color.
- 034 to - 031
Current text cursor address.
- 030 to - 029
Byte offset from screen base address to the top of the first
text character.
- 028 to - 025
The character position of the text cursor. The first word con­
tains the column number, while the second word contains
the row number.
326
APPENDIX H
V CEL_ _ HT
_____
V CEL_ _ MX
_____
V CEL_M Y
V CEL_ _ WR
_____
V COL__BG
_____
V COL__ FG
______
V CUR__AD
V CUR__OF
V CUR__ XY
______
( - $02E to - $02D)
( - $02C to - $02B)
( - $02A to - $029)
( - $028 to - $027)
(-$ 0 2 6 to -$025)
( - $024 to - $023)
( - $022 to - $01F)
( - $01E to - $01D)
( - $01C to - $019)