This page (revision-5) was last changed on 03-Feb-2023 15:21 by Florian Dingler 

This page was created on 18-Jul-2010 11:10 by Florian Dingler

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Version Date Modified Size Author Changes ... Change note
5 03-Feb-2023 15:21 1 KB Florian Dingler to previous
4 24-Feb-2019 17:49 748 bytes Florian Dingler to previous | to last
3 21-Jul-2010 22:26 704 bytes Florian Dingler to previous | to last
2 18-Jul-2010 11:52 555 bytes Florian Dingler to previous | to last
1 18-Jul-2010 11:10 183 bytes Florian Dingler to last

Page References

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HSCROL
HSCROL

Version management

Difference between version and

At line 2 changed one line
|write only|54276|$D404|HSCROL|Hrizontal Fine Scrolling|both
|write only|54276|$D404|HSCROL|Horizontal Fine Scrolling|both
At line 4 added one line
If this location is set to a value other than zero, the ANTIC omits that number of color cycles in that line. In other words, ANTIC start displaying that number of color cycles line "later", the picture is shifted "left".
At line 6 added one line
Only the lower 4 bits of this register are used, so the maximum value is 15.
At line 8 added one line
This register should not be altered while ANTIC is drawing the screen. It has to be changed during vertical blank interrupt to get good results.
At line 10 added 17 lines
||ANTIC Mode||BASIC Mode||Max value for HSCROL||Comment
|$02|0|3|Text mode 0, normal text, 24 rows
|$03|na|3|Text with full size descenders (e.g. g,p,y,j,q)
|$04|12 XL/XE OS only|3|4-color-characters, 4 pixel width, 24 rows
|$05|13 XL/XE OS only|3|4-color-characters, 4 pixel width, double heigth, 12 rows
|$06|1|7|Text mode 1, double width text, 24 rows
|$07|2|7|Text mode 2, double width and height text, 12 rows
|$08|3| |Graphics Mode 3, 24 rows
|$09|4| |Graphics Mode 4, 48 rows
|$0A|5| |Graphics Mode 5, 48 rows
|$0B|6| |Graphics Mode 6, 96 rows
|$0C|14 XL/XE OS only| | Graphics Mode 14, 192 rows
|$0D|7| |Graphics Mode 7, 96 rows
|$0E|15 XL/XE OS only| |Graphics Mode 15, 192 rows
|$0F|8| |Graphics Mode 8, 192 rows
At line 28 added one line
see also: [Display List topics|Displaylist_topics]
At line 9 changed one line
see also: [Display List topics|Displaylist_topics], [VSCROL]
previous: [DLISTL],[DLISTH|DLISTL]
next: [VSCROL]
This page (revision-5) was last changed on 03-Feb-2023 15:21 by Florian Dingler  Top