Author Topic: Archaic font / 8x8 px monochrome  (Read 3031 times)

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Offline Zera

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Archaic font / 8x8 px monochrome
« on: July 06, 2010, 01:48:36 pm »
A pretty extensive font I did based on a more archaic / Gothic / medieval style. This one is 8x8, so it's not quite suitable for TI platforms. (then again, maybe there are some people who work with such large fonts)

There are quite a few icons and other special characters included. This is also very suitable for ROM-hacking / translation.

Feel free to use, modify or redistribute as you see fit.

Offline DJ Omnimaga

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Re: Archaic font / 8x8 px monochrome
« Reply #1 on: July 06, 2010, 04:45:13 pm »
It could maybe be used on calc, but as long as the text can scroll like in Zelda text display, not dissapear and new text displays, else it gets a bit hard to follow. Looks nice btw
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Offline ztrumpet

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Re: Archaic font / 8x8 px monochrome
« Reply #2 on: July 06, 2010, 05:55:49 pm »
I *could* see the calc being used for 8*8 fonts as you can change the font from 6*8 to 8*8 in the LCD driver's Ram. ;D

Nice font! :D

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Re: Archaic font / 8x8 px monochrome
« Reply #3 on: July 06, 2010, 07:02:34 pm »
You can? O.o I didn't know that. That said, if someone writes a routine to display custom fonts from sprites, he can always do that too. For fonts of a 4 pixel width, I am fairly certain there could be a way to use half-byte compression to not waste the other 4 bit of pixels in each sprites too, but the way I am thinking about, it migth be a lil bit slower to display. (since you would need to display each rows of pixels for the letters one by one)
In case you are wondering where I went, I left Omni back in 2015 to form CodeWalrus due to various reasons explained back then, but I stopped calc dev in 2016 and am now mostly active on the CW Discord server at https://discord.gg/cuZcfcF


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Offline Zera

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Re: Archaic font / 8x8 px monochrome
« Reply #4 on: July 06, 2010, 08:05:06 pm »
LL1 uses an 8x8 px font. (which was pretty crammed on that tiny screen)

Anyone is free to modify the font in any shape, form or fashion, though.


Guess I should show the font in action, too. This is on a GB screen resolution, though:
« Last Edit: July 06, 2010, 08:08:18 pm by Zera »

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Re: Archaic font / 8x8 px monochrome
« Reply #5 on: July 06, 2010, 08:32:13 pm »
Wow great :D

Since the TI-89 is 160x100 I think those could be used very well for that calc model
In case you are wondering where I went, I left Omni back in 2015 to form CodeWalrus due to various reasons explained back then, but I stopped calc dev in 2016 and am now mostly active on the CW Discord server at https://discord.gg/cuZcfcF


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Offline ztrumpet

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Re: Archaic font / 8x8 px monochrome
« Reply #6 on: July 06, 2010, 09:43:47 pm »
You can? O.o I didn't know that.
To quote Asm in 28:
Quote
Word Size
The last feature of the T6A04 is the ability to change the word size from 8-bit to 6-bit. Technically, a word is defined as a string of bits that can occupy a single addressable location. This kind of conflicts with the popular definition of a word being a size of 16 bits, which is due to the fact that Intel made some computers with 16-bit words that were very popular. But this is the official Toshiba name, and I can't think of a better one, so oh well.

The word size is changed with two commands:
$00    Configure six bits per word
$01    Configure eight bits per word
What can we use this for? Well, Toshiba thought it would be nice if computers could have two font sizes, and in fact the 6x8 character routines do use 6-bit word mode to display characters. Maybe we could make a custom large font routine?

Program 26-4
Code: [Select]
    b_call(_ClrLCDFull)
    b_call(_HomeUp)
    LD     HL, text
    CALL   CustomStr
    RET

text:    .DB    "Hello ", 1, 0

CustomStr:
    LD     A, (HL)
    OR     A
    RET    Z

    CP     1
    JR     NZ, NormalChar    ; Trap for char $01 (custom)

    PUSH   AF

    XOR    A                ; Configure word size
    OUT    ($10), A

    LD     A, $05            ; Configure X auto-increment
    CALL   $000B
    OUT    ($10), A

    LD     A, (CurCol)       ; Set LCD Row
    ADD    A, $20
    CALL   $000B
    OUT    ($10), A

    LD     A, (CurRow)       ; Set LCD Row
    ADD    A, A
    ADD    A, A
    ADD    A, A
    ADD    A, $80
    OUT    ($10), A

    LD     DE, Smilie
    LD     B, 8
FontLoop:
    LD     A, (DE)
    CALL   $000B
    OUT    ($11), A
    INC    DE
    DJNZ   FontLoop

    LD     A, (CurCol)       ; Advance cursor position
    INC    A
    AND    %00001111
    LD     (CurCol), A
    JR     NZ, DoneCustomFont

    LD     A, (CurRow)       ; Advance row. This doesn't check for a bad
    INC    A                ; position or scroll. Do that on your own time.
    LD     (CurRow), A

DoneCustomFont:
    POP    AF
    JR     DoneChar

NormalChar:
    b_call(_PutC)

DoneChar:
    INC    HL
    JR     CustomStr

; Our custom character!
smilie:
    .DB    %00011110
    .DB    %00101101
    .DB    %00101101
    .DB    %00111111
    .DB    %00101101
    .DB    %00110011
    .DB    %00011110
    .DB    %00000000


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Re: Archaic font / 8x8 px monochrome
« Reply #7 on: July 06, 2010, 10:31:46 pm »
Aaah I see, interesting
In case you are wondering where I went, I left Omni back in 2015 to form CodeWalrus due to various reasons explained back then, but I stopped calc dev in 2016 and am now mostly active on the CW Discord server at https://discord.gg/cuZcfcF


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Offline TIfanx1999

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Re: Archaic font / 8x8 px monochrome
« Reply #8 on: July 07, 2010, 09:28:26 am »
Looks nice as always! :D