This page (revision-19) was last changed on 03-Feb-2023 15:21 by Florian Dingler 

This page was created on 17-Jul-2010 13:01 by Florian Dingler

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Version Date Modified Size Author Changes ... Change note
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18 22-Mar-2020 14:25 2 KB Florian Dingler to previous | to last
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Page References

Incoming links Outgoing links
Display_list_instruction_table
Display_list_instruction_table

Version management

Difference between version and

At line 1 added 8 lines
!!!Display List Instructions
There are 3 kinds of instructions
* $x0 blank lines
* $x1 jumps
* $x2-$xF display lines, divided into
** $x2-$x7 text lines
** $x8-$xF pixel/map/graphics lines
At line 10 changed one line
|128|$70|na|8|0|0| 8 blank lines
|112|$70|na|8|0|0| 8 blank lines
At line 15 changed one line
|65|$41|na|0|0|0|jumpt o address and wait for VBI, instruction followed by address (2 byte in LSB,MSB order)
|65|$41|na|0|0|0|jump to address and wait for VBI, instruction followed by address (2 byte in LSB,MSB order)
At line 18 changed 7 lines
||Instruction dec||Instruction hex||BASIC Mode||Scan lines||Pixel per line||Bytes per line||Comment
|2|$02|0|8|40|40| Text mode 0, normal text
|3|$03|na|10|40|40| text with full size descenders (e.g. g,p,y,j,q)
|4|$04|na|8|40|40| Multicolor Character, double width
|5|$05|na|16|40|40| Multicolor Character, double heigth and width
|6|$06|1|8|20|20| Text mode 1, double width text
|7|$07|2|16|20|20| Text mode 2, double width and height text
||Instruction dec||Instruction hex||BASIC Mode||Scan lines||[VSCROL] max||Pixel per line||Bytes per line||Comment
|2|$02|0|8|7|40|40| Text mode 0, normal text, 24 rows
|3|$03|na|10|9|40|40| text with full size descenders (e.g. g,p,y,j,q)
|4|$04|12 XL/XE OS only|8|7|40|40| [4-color-characters|4_color_character], 4 pixel width, 24 rows
|5|$05|13 XL/XE OS only|16|15|40|40| [4-color-characters|4_color_character], 4 pixel width, double heigth, 12 rows
|6|$06|1|8|7|20|20| Text mode 1, double width text, 24 rows
|7|$07|2|16|15|20|20| Text mode 2, double width and height text, 12 rows
At line 28 changed 2 lines
||Instruction dec||Instruction hex||BASIC Mode||Scan lines||Pixel per line||Bytes per line||Comment
...to be added
||Instruction dec||Instruction hex||BASIC Mode||Scan lines||[VSCROL] max||Pixel per line||Bytes per line||Comment
|8|$08|3|8|7|40|10| Graphics Mode 3, 24 rows
|9|$09|4|4|3|80|10| Graphics Mode 4, 48 rows
|10|$0A|5|4|3|80|20| Graphics Mode 5, 48 rows
|11|$0B|6|2|1|160|20| Graphics Mode 6, 96 rows
|12|$0C|14 XL/XE OS only|1|0|160|20|  Graphics Mode 14, 192 rows
|13|$0D|7|2|1|160|40| Graphics Mode 7, 96 rows
|14|$0E|15 XL/XE OS only|1|0|160|40|  Graphics Mode 15, 192 rows
|15|$0F|8|1|0|320|40| Graphics Mode 8, 192 rows
At line 32 changed one line
!!!Added functions
To activate special functions in a display line, add the value as stated below
At line 34 changed 4 lines
|enable Vertical Scrolling|16|$10|5| see [VSCROL]
|enable Horizontal Scrolling|32|$20|5| see [HSCROL]
|Load memory scan|64|$40|6|instruction followed by address (2 byte in LSB,MSB order)
|enable Display List Interrupt|128|$80|7|see [VDSLST]
|enable Horizontal Scrolling|16|$10|4| see [HSCROL], possible for text and pixel lines
|enable Vertical Scrolling|32|$20|5| see [VSCROL], possible for text and pixel lines
|Load memory scan|64|$40|6|instruction followed by address (2 byte in LSB,MSB order), possible for text and pixel lines. The screen memory can NOT cross a 4K boundary. If screen memory is bigger than 4K, the display list must contain at least 2 LMS commands.
|enable Display List Interrupt|128|$80|7|see [VDSLST], possible for blank, text and pixel lines
----
see also: [Display List Topics|Displaylist_topics], [VDSLST], [VSCROL], [HSCROL], [4-color-characters|4_color_character], [Table of Modes and Screen Format]
This page (revision-19) was last changed on 03-Feb-2023 15:21 by Florian Dingler  Top