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Added screenshots for fat font j
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README.md
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README.md
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#Apple ]\[ //e HGR Font 6502 Assembly Language Tutorial
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Revision: 63, Jan 28, 2016.
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Revision: 64, Jan 28, 2016.
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# Table of Contents
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@ -40,6 +40,10 @@ Revision: 63, Jan 28, 2016.
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* Other Fonts
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* Fat Stroke Fonts
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* Beautiful Boot
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* Fat Font: S
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* Fat Font: X
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* Fat Font: 2
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* Fat Font: j
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* What's Next?
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* Conclusion
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* Solutions
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@ -2541,6 +2545,9 @@ Here is a table of all the glyphs that we'll eventually fix:
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Alrighty then.
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### Fat Font: S
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The first glyph that stands out is the `S`. Our rule is:
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* Horizontal and Vertical lines are 2 pixels when possible.
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@ -2654,6 +2661,8 @@ b) Did I manually enter in those hex values?
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`<<Forthcoming!>>`
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### Fat Font: X
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The next glyph that stands out is the `X`.
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Change the `X` = $53 @ `6298`:
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@ -2767,16 +2776,86 @@ We can either do this now, or fix the other glyphs and do this later.
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Let's touch up the `2` and `Q` first.
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### Fat Font: 2
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We want to fix row 4 of the `2`:
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6190:80 BF BF 8E 38 B3 BF 9E
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Excellent!
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![Screenshot ASCII Table Font BB 2b](pics/ascii_table_2b_fontbb.png?raw=true)
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Excellent!
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![Screenshot ASCII Table Font BB 2c](pics/ascii_table_2c_fontbb.png?raw=true)
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### Fat Font: j
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The serif/terminal on the `f` is one pixel while the serif/tail on the `j` is two pixels.
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From:
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```
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6350:9E B3 B3 B0 B0 B0 80 B0
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```
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To:
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```
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6350:9E B3 B0 B0 B0 B0 80 B0
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```
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![Screenshot ASCII Table Font BB j2](pics/ascii_table_j2_fontbb.png?raw=true)
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The dot / tittle on the `j` is inconsistent with the `i`. :-/ Another easy fix:
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```
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6350:9E B3 B0 B0 B0 80 B0 80
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```
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![Screenshot ASCII Table Font BB j3](pics/ascii_table_j3_fontbb.png?raw=true)
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![Screenshot ASCII Table Font BB j4](pics/ascii_table_j4_fontbb.png?raw=true)
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# What's next?
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What's left? Quite a few things actually:
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* Copy the 80-Column text screen to DHGR (Double High Resolution)
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* Hook into the COUT so all text appears onto the HGR or DHGR screen
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* Other 7x8 fonts
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* Other non-7x8 fonts
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# Conclusion
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Hope this HGR font tutorial helped you understand the inner workings of a font blitter!
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Happy (Apple ]\[ //e //c) Hacking!
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Michael "AppleWin Debug Dev"
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# Solutions
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## Solution 1: ScrollHgrUpLine()
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Figure it out ! You have all the tools and knowledge.
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Seriously though, start with the data flow. Let's look at the HGR "text" lines we need to copy from/to:
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Src Dst
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1 0
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2 1
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3 2
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4 3
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5 4
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6 5
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7 6
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8 7
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# What's next?
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What's left? Quite a few things actually:
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