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methods to reset font rom to default

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minjaesong
2021-10-19 09:33:45 +09:00
parent 4b293c537f
commit 0898e8478e
3 changed files with 37 additions and 9 deletions
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11
terranmon.txt
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@@ -157,10 +157,13 @@ From the start of the memory space:
1: reset palette to default
2: fill framebuffer with given colour (arg1)
3: do '1' then do '2'
4: copy Low Font ROM (char 0–127) to mapping area
5: copy High Font ROM (char 128–255) to mapping area
6: write contents of the font ROM mapping area to the Low Font ROM
7: write contents of the font ROM mapping area to the High Font ROM
16: copy Low Font ROM (char 0–127) to mapping area
17: copy High Font ROM (char 128–255) to mapping area
18: write contents of the font ROM mapping area to the Low Font ROM
19: write contents of the font ROM mapping area to the High Font ROM
20: reset Low Font ROM to default
21: reset High Font ROM to default
12 bytes
argument for "command" (arg1: Byte, arg2: Byte)
write to this address FIRST and then write to "command" to execute the command