Accell MPC-68K Series Manuel d'utilisateur télécharger pdf (Page 11)

I/O check

There are 2 ways to check input and output conditions.

To check by command

 The following are commands used to complete a basic I/O check.

#ON 0 /* turn the OUTPUT 0 on

#OFF 0 /* turn the OUTPUT 0 off

#PR SW(0) /* The state of an INPUT 0 ("PR" is short for "PRINT")

1 /* 0=off,1=on

#PG &H400

#PRX HPT(0) /* check of MPG-314 origin sensor port (connecter J4)

0005 /* SX1(J4 No.11 pin) and SY1(J4 No.13 pin) are on

Check by the “I/O checker”

 To start the I/O checker push the F8 key or click on the ‘Editor’ button. It displays 3bytes at one

time.

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 44 45

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Accell MPC-68K Series Manuel d'utilisateur Page 11