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Z80 & 68k Assembly =>
z80 & ez80 Assembly
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Jeffrey
Member
Joined: 12 Jun 2003
Posts: 212
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 Posted: 21 Oct 2003 07:52:05 pm Post subject: |
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I know how to run BASIC programs from ASM, but there are INVALID errors when I insert a Pause or Prompt into the BASIC prog. I installed an error handler, but then it crashes my calc. I think I need to install flag, but I havent found any yet. Here is my source:
Code:
errhandon(errcatch)
ld hl,prog
bcall(_Mov9ToOp1)
bcall(_parseINP)
ret
errcatch:
xor a
ret
prog:
.db ProgObj,"TEST",0
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Jeffrey
Member
Joined: 12 Jun 2003
Posts: 212
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| Posted: 21 Oct 2003 08:06:58 pm Post subject: |
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Sorry...spamming i know, deal with it
I fixed the flag problem, but now unless I use bjum(_JForceCmdNoChar) to exit the proggie, it kills my calculator. I cant use ret or it freezes, what do I do?
Code:
;Standard template for ti83+ asm programs
#include "ti83plus.inc";File needed to access system routines
.org userMem-2 ;Define where to start in memory
.db $BB,$6D ;AsmPrgm instruction
Progexecuting equ 1; Equates.
errhandon(errcatch)
bcall(_zeroop1); Set Op1 to zero
ld hl,prog; the name of the prog
bcall(_MOv9ToOp1) ; copy it to op1
bit ProgExecuting,(iy + newDispf)
push af ; Save it.
set ProgExecuting,(iy + newDispf)
bcall(_parseInp); Run program!
res ProgExecuting,(IY + newDispf)
jp sayhello
sayhello:
ld hl,167 ;just testing to see if continues
bcall(_disphl)
bcall(_clrlcdfull)
ret ;<---------------- this ret kills the calculator!!!!
errcatch:
xor a
ret
prog:
.db ProgObj,"ZFBALG",0
done:
ret ;Exit program
.end ;End of code
Last edited by Guest on 21 Oct 2003 08:18:49 pm; edited 1 time in total |
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NETWizz
Byte by bit
Bandwidth Hog
Joined: 20 May 2003
Posts: 2369
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| Posted: 21 Oct 2003 09:54:02 pm Post subject: |
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You did not clean up right.
;set both of these flags before running the program
set prog_executing,(iy+newdispf)
set cmdExec,(iy+cmdFlags)
;next the error handler
apponerr basicErrHandler
;Run it
bcall parseinp
;After execution, reset error handler and accumulator
appofferr
xor a
basicErrHandler:
or a ;you must have this
ret
This will work better in an app; however, you will have new problems.
Look into bcall cleanup |
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Jeffrey
Member
Joined: 12 Jun 2003
Posts: 212
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| Posted: 22 Oct 2003 05:44:13 am Post subject: |
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| Thanks a lot, it works great |
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Jeffrey
Member
Joined: 12 Jun 2003
Posts: 212
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| Posted: 22 Oct 2003 09:43:13 pm Post subject: |
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| Problem...when I run it twice in the same session, it does not execute the program. How do I fix that? |
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NETWizz
Byte by bit
Bandwidth Hog
Joined: 20 May 2003
Posts: 2369
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| Posted: 22 Oct 2003 11:08:06 pm Post subject: |
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Be sure to reset both flags after running the program, clear all errors, run bcall cleanup too.
that should take care of it |
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