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README.md
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#Apple ]\[ HGR Font Tutorial #Apple ]\[ HGR Font Tutorial
Revision: 9, Jan 10, 2016. Revision: 10, Jan 10, 2016.
# Table of Contents # Table of Contents
@ -1097,7 +1097,7 @@ We'll split the table of addresses into Low and High bytes for easier access. We
This is our mini HGR Y Address look-up table. "Funny" that it has 24 entries -- the same height as our text screen. :-) This is our mini HGR Y Address look-up table. "Funny" that it has 24 entries -- the same height as our text screen. :-)
Enter these bytes: Enter these bytes (or `bload hgrtable.bin`):
Our `HgrLo` table: Our `HgrLo` table:
@ -1111,6 +1111,8 @@ Our `HgrHi` table:
6420:00 00 01 01 02 02 03 03 6420:00 00 01 01 02 02 03 03
6428:00 00 01 01 02 02 03 03 6428:00 00 01 01 02 02 03 03
To save this AppleWin press `F7`, at the debugger console `bsave "hgrtable.bin",6400:642F`, press `F7`.
To select which row to draw at we'll pass that in the X register to our DrawCharColRow() routine: To select which row to draw at we'll pass that in the X register to our DrawCharColRow() routine:
```assembly ```assembly
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1100:A9 41 A0 01 A2 02 4C 20 03 1100:A9 41 A0 01 A2 02 4C 20 03
1100G 1100G
![Screenshot 16](pics/hgrfont_16.png?raw=true)
## Natural Params CursorColRow() ## Natural Params CursorColRow()
Unfortunately, our usage of the X and Y registers are not intuitive. This is due to the limited addressing modes of the 6502. :-/ If the 6502 had a symmetrical indirect zero-page X addressing mode: Unfortunately, our usage of the X and Y registers are not intuitive. This is due to the limited addressing modes of the 6502. :-/ If the 6502 had a symmetrical indirect zero-page X addressing mode:

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