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Z80 & 68k Assembly =>
z80 & ez80 Assembly
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kittylover
Newbie
Joined: 02 Sep 2010
Posts: 3
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 Posted: 04 Sep 2010 10:32:22 pm Post subject: |
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It's been about a decade since I last programmed a TI calculator. What do I need to do to set up the development tools and workflow so that I can run Z80 programs on my calculator? Like, a "hello world" program. (RAM-based is fine, at least initially.)
When I programmed TI calculators last, I used TASM. TASM won't even run on my machine anymore, since I'm using Win64. Do I need to install DOSBox?
I'm using a TI-84+ Silver Edition. I looked for the documentation but only found the version for 83+ listed as also 84+. Is the 84+ that compatible at the assembly language level? I mean, the 81 through 84 series is all mostly the same hardware, but are the addresses in ti83plus.inc correct for a TI-84+?
~missy |
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kittylover
Newbie
Joined: 02 Sep 2010
Posts: 3
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| Posted: 04 Sep 2010 10:34:15 pm Post subject: |
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| Also, what are "Asm(", "AsmComp(" and "AsmPrgm" in the 84+SE symbol catalog? I think Asm( meant the hex string-encoded Z80 programs from the original 83, but I don't remember how to use them at all. |
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calcdude84se
Member
Joined: 09 Aug 2009
Posts: 207
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| Posted: 05 Sep 2010 08:32:36 am Post subject: |
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Welcome to UTI!
You can use a different version of TASM, or, if you don't mind switching to a different assembler, I'd recommend you do that. They usually have all of TASM's features and more. I'd recommend you use either Brass or SPASM.
If you choose Brass, you won't need any other files except for ti83plus.inc (which does work for the 83+, 83+SE, 84+, and 84+SE. They are binary compatible for most purposes.). If you choose SPASM, you'll need to get a couple of other programs (along with the ti83plus.inc file) to change the output to something you can send to your calculator.
I'll give you an example, but first your other question. AsmPrgm is used at the start of a program (made in the program editor) that indicates the following tokens are unsquished hex (this means that a sample program would look like "AsmPrgmC7", basically AsmPrgm followed by a lot of hex) AsmComp( takes a program starting with AsmPrgm, and squishes it to binary form to the program in the second argument. For example, if the previous program was named prgmA, then doing AsmComp(prgmA,prgmB) will create a program called prgmB that contains the binary version of prgmA. Asm( takes one argument, the name of a program, that is either unsquished starting with AsmPrgm or squished (either via AsmComp( or created on a computer) and executes it.
Now for the sample program 
Code:
.binarymode TI8X
;This tells Brass to output a .8xp file
.variablename HELLOWLD
;This tells Brass to name the on-calc program HELLOWLD
;These following lines should look familiar
#include "ti83plus.inc"
.org $9D93
.db $BB,$6D ;There are other ways to write the previous two lines, using the equates, but I like to do it this way ;)
bcall(_ClrScrnFull)
bcall(_HomeUp)
ld hl,text
bcall(_PutS)
ret
text:
.db "Hello World",0
.end
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calc84maniac
Elite
Joined: 22 Jan 2007
Posts: 770
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| Posted: 05 Sep 2010 01:26:16 pm Post subject: |
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calcdude84se wrote:
If you choose SPASM, you'll need to get a couple of other programs (along with the ti83plus.inc file) to change the output to something you can send to your calculator.
Actually, that's not true at all. All you have to do is:
Code:
spasm source.z80 OUTPUT.8xp
You do need a special include file for easy app building though, which can be found at http://group.revsoft.org/app.inc. |
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calcdude84se
Member
Joined: 09 Aug 2009
Posts: 207
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| Posted: 05 Sep 2010 05:42:30 pm Post subject: |
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Oh, sorry, I didn't know 
On the positive side, Brass has app-building built in 
Your choice, though. Try both, see which you like better.
Edit: On a very unrelated note, 200th post!
Last edited by Guest on 05 Sep 2010 05:43:10 pm; edited 1 time in total |
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calc84maniac
Elite
Joined: 22 Jan 2007
Posts: 770
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| Posted: 05 Sep 2010 09:00:15 pm Post subject: |
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calcdude84se wrote:
Oh, sorry, I didn't know
On the positive side, Brass has app-building built in
Your choice, though. Try both, see which you like better.
Edit: On a very unrelated note, 200 th post!
Technically, Wabbit has app-building built-in too, but the include file keeps you from needing to manually type in the 128-byte header and such |
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calcdude84se
Member
Joined: 09 Aug 2009
Posts: 207
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| Posted: 06 Sep 2010 01:24:01 pm Post subject: |
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| IIRC Brass "keeps you from needing to manually type in the 128-byte header and such" too |
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