Apple-2-SW/apple2_hgr_font_tutorial
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Add picture of mousetext

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michaelangel007 2016-01-28 22:39:54 -08:00
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@ -1,6 +1,6 @@
#Apple ]\[ //e HGR Font 6502 Assembly Language Tutorial #Apple ]\[ //e HGR Font 6502 Assembly Language Tutorial
Revision: 67, Jan 28, 2016. Revision: 68, Jan 28, 2016.
# Table of Contents # Table of Contents
@ -126,9 +126,17 @@ The 40x24 text screen of the Apple is _"memory-mapped"_ -- that is by directly s
The control characters show up in `inverse`, ASCII characters show up `flashing`, and our normal character requires the high bit to be set. 0x41 + 080 = 0xC1. The control characters show up in `inverse`, ASCII characters show up `flashing`, and our normal character requires the high bit to be set. 0x41 + 080 = 0xC1.
<hr> <hr>
A slight fun diversion: If you are on an enhanced Apple //e or //c we can activate a 2nd character set called `Mouse Text`. This replaces all the flashing text with special drawing charactes: A slight fun diversion: If you are on an enhanced Apple //e or //c we can activate a 2nd character set called `Mouse Text`. This replaces all the flashing text with special drawing characters that help make a text based UI.
This is what the full Mouse Text glyphs look like:
![Screenshot ASCII Font 7x8](pics/ascii_table_1_font7x8.png?raw=true)
Anyways, enter in:
```
C00F:1 C00F:1
```
![Screenshot TEXT mousetext A](pics/text_mousetext_a.png?raw=true) ![Screenshot TEXT mousetext A](pics/text_mousetext_a.png?raw=true)