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added some more comments and -headers

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mrdudz
2015-10-12 14:40:12 +02:00
parent d8d7f53d1b
commit 07f1879f85
10 changed files with 48 additions and 2 deletions
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13
libsrc/c64/soft80_charset.s
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@@ -1,5 +1,5 @@
;
; Groepaz/Hitmen, 10.10.2015
; Groepaz/Hitmen, 12.10.2015
;
; character set for use with the soft80 implementation
;
@@ -14,6 +14,8 @@
; - $60 - $7f screencodes $40 - $5f (petscii codes $60 - $7f)
; - only 128 characters are defined here, the soft80 implementation will invert
; the graphics data for inverted display on the fly.
; - since the charset is 4 by 8 pixels, only the lower 4bit of each byte is
; used. the upper bits have to be 0.
; - finally the lower 4bits are "inverted", ie a space character is represented
; as $0f, $0f, $0f, $0f, $0f, $0f, $0f, $0f
;
@@ -29,6 +31,15 @@
; +280 ....xxxx ......xx ........ ....xxxx
; +300 ....xxxx ......xx ........ ....xxxx
; +380 ....xxxx ......xx ........ ....xxxx
; [...]
; +040 ....x.xx ....xxxx ....xxxx ....xxxx
; +0c0 .....x.x ....xxxx .....xxx ....xxxx
; +140 .......x ....x.xx .....xxx ....x..x
; +1c0 .......x ....xx.x ......xx .....xxx
; +240 .....xxx ....x..x .....x.x .....xxx
; +2c0 .....x.x .....x.x .....x.x .....xxx
; +340 ....x.xx ....x..x ......xx ....x..x
; +3c0 ....xxxx ....xxxx ....xxxx ....xxxx
.export soft80_charset