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Forums > C64 Coding > Can't the LOAD command be used in a basic program?

2007-04-18 20:22

Shadow
Account closed

Registered: Apr 2002
Posts: 355

Can't the LOAD command be used in a basic program?

1 LOAD"ROUTINE",8,1
2 SYS 49152
RUN

Ends up in a endless loop, so I guess it doesn't do what I expect it to do...

(This may seem stupid, but it would be very handy for me when crossdeving for the DTV, as I need to load the files from 64HDD all the time, with this I could just do "run" to load the lastest routine from disk and execute)

... 30 posts hidden. Click here to view all posts....

2007-04-20 19:23

iAN CooG

Registered: May 2002
Posts: 3177

quoting some FAQ file found on the net:

#9. To load a program from BASIC without re-run problems or tricky
variable/ongoto statements....

poke147,0
sys57812 "filename",8,1
sys62631

here's another method for data files:

following will work to read in everything except the first two bytes:

1000 SYS 57812 "NAME,S",8,0:REM SET PARAMETERS FOR LOAD
1010 POKE 193,L%:POKE 194,H%
1020 POKE 147,0:SYS 62631

L% is the low byte of the load address, and H% is the high byte, e.g.
H%= INT(address/256): L%=address-256*H%

POKEing a 0 into 147 performs a load; a 1 would perform a verify.

2007-04-20 21:34

Mace

Registered: May 2002
Posts: 1799

Quote:

1000 SYS 57812 "NAME,S",8,0:REM SET PARAMETERS FOR LOAD
1010 POKE 193,L%:POKE 194,H%
1020 POKE 147,0:SYS 62631

Why "name,s"....? What does the S do?

2007-04-20 21:47

tlr

Registered: Sep 2003
Posts: 1762

Quote: Quote:
1000 SYS 57812 "NAME,S",8,0:REM SET PARAMETERS FOR LOAD
1010 POKE 193,L%:POKE 194,H%
1020 POKE 147,0:SYS 62631

Why "name,s"....? What does the S do?

It loads a SEQ file instead of the default PRG.

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