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1C6C: THE 'COMMAND CLASS +04' ROUTINE
The address of this routine is derived from an offset found in the command class table.
The command class +04 entry point is used by FOR and NEXT statements.
Input
Output
CLASS_04 1C6C CALL LOOK_VARS Look in the variables area for the variable being used.
1C6F PUSH AF Save the AF register pair whilst the discriminator byte is tested to ensure that the variable is a FOR-NEXT control variable.
1C70 LD A,C
1C71 OR $9F
1C73 INC A
1C74 JR NZ,REPORT_C
1C76 POP AF Restore the flags register and jump to make the variable that has been found the 'variable in assignment'.
1C77 JR VAR_A_1
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