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Z80 & 68k Assembly =>
z80 & ez80 Assembly
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silverscorpion21
Newbie
Joined: 15 Jul 2003
Posts: 7
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 Posted: 16 Jul 2003 02:25:47 pm Post subject: |
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 I wanted to start this post for all those beginners (inc. me) just wondering why something won't work, and how to make it work. |
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silverscorpion21
Newbie
Joined: 15 Jul 2003
Posts: 7
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Tyler
Advanced Member
Joined: 29 May 2003
Posts: 352
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| Posted: 16 Jul 2003 09:05:50 pm Post subject: |
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Try this...
Code:
;Good Source
#include "ti83plus.inc" ;System Routines
.org userMem-2 ;Memory Exe Location
.db $BB,$6D ;Assembly Program Instruction
bcall(_RunIndicOff) ;Turn off run indicator
bcall(_HomeUp) ;1-> Cur row/col
bcall(_ClrLCDFull) ;Clear the screen
ld bc,10*256+10
bcall(_pointOn)
ret ;Exit program
.end ;End of code
Where you messed up is where you typed. It dosen't want two small 16 bit registers, it wants one 32 bit register, all at once. I don't know if you implmented this, but you also forgot the .end which states the end of your code
I recommend visiting Cirrus Tigalaxy and going though there section of assembly resources. Download the Cirrus SDK, the AppGuru83+, The AsmGuru83, And finally the ti-83plus system routines. It dosen't matter if you don't have a ti83/+/se
Code:
ld b,4
ld c,3
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silverscorpion21
Newbie
Joined: 15 Jul 2003
Posts: 7
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| Posted: 17 Jul 2003 12:13:47 am Post subject: |
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Thanks for the help.
I don't know why it wouldn't work, Its not the point that didn't turn on
Its the top right character that stayed on the screen; I used the code
Code:
b_call(_ClrScrnFull)
Instead of
Code:
b_call(_ClrLCDFull)
I figured maybe the latter ROM call only clears the graph screen?
I also figured that maybe the text shadow saved the top right charachter
So i used the first command because it does 2 things
Clears the text screen> i tried it
Sets the text shadow to all spaces
When i used this code my program didn't display the top right character at the end.
Thank you for the useful tips
I am currently using the asm in 28days tutorial and am having some problems understanding
I figured that anyone else out there that was also having problems understanding could post here for help  |
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JacobdeHaan
Member
Joined: 10 Jul 2003
Posts: 165
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| Posted: 17 Jul 2003 01:51:10 am Post subject: |
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Uhh, I know every but me knows the answer to this, but is this how you turn off displaying "done" at the end of your program?
Code:
RES DonePrgm,(IY+DoneFlags)
I don't think it was actually said how to do it in ASM in 28 days, but I assume this turns off the Done flag?
If so, then when, or how does it get turned back on when your program is done? |
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Tyler
Advanced Member
Joined: 29 May 2003
Posts: 352
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| Posted: 17 Jul 2003 07:39:53 am Post subject: |
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| Oh whoops, you were trying to clear the graph buffer, also try bcall(_grBufClr) |
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Adm.Wiggin
aka Tianon
Know-It-All
Joined: 02 Jun 2003
Posts: 1874
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| Posted: 17 Jul 2003 11:49:14 am Post subject: |
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| ok Jacob, if u put that in, then it SHOULDNT display 'Done', it turns back on when u run basic or something... |
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