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07276: THE 'COMMAND CLASS 4' ROUTINE
The address of this routine is derived from an offset found in the command class table.
The command class 4 entry point is used by FOR and NEXT statements.
CLASS_04 07276 CALL LOOK_VARS Look in the variables area for the variable being used.
07279 PUSH AF Save the AF register pair whilst the discriminator byte is tested to ensure that the variable is a FOR-NEXT control variable.
07280 LD A,C
07281 OR 159
07283 INC A
07284 JR NZ,REPORT_C
07286 POP AF Restore the flags register and jump to make the variable that has been found the 'variable in assignment'.
07287 JR VAR_A_1
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