Radio Shack EC-293 Technical Information download pdf (Page 14)

PERIPHERALS

Dual Cassette Operation

LEVEL II BASIC

To select a cassette drive with LEVEL II BASIC, use the following

statements (see the LEVEL II BASIC Reference Manual for details):

CLOAD#-l,filename

Loads a program from Cassette I

CLOAD#-2,filename

Loads a program from Cassette 2

Note:

,filename

optional - omit

you want to load

the

first program

encountered

the tape.

CLOAD#-l, ?

filename

CLOAD#-2, ? filename

Note: filename

optional again.

PRINT#-l,

data

PRINT#-2, data

Note: data

a standard Print list.

Compare program in memory with

one stored on Cassette I

Compare program in memory with

one stored on Cassette 2

Write data to Cassette I

Write data to Cassette 2

INPUT#-l,

variable (s) Input data from Cassette I

INPUT#-2,

variable (s) Input data from Cassette 2

Note:

variable (s)

a standard Input list, and it must match the Print list

that wrote the data.

In the SYSTEM mode, Cassette I

always selected.

Assembly Language

To select Cassette I for

assembly language I/O routine, store zero

in hex address 37E4; To select Cassette 2, store I in hex 37E4.

For

more information, refer

the Instruction Manual for the TRS-80

Editor-Assembler, Catalog Number 26-2002.

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