Routines
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367A: THE 'DECREASE THE COUNTER' SUBROUTINE (offset +35)
The address of this routine is found in the table of addresses. It is called via the calculator literal +35 by the routine at series.
This subroutine is only called by the series generator and in effect is a 'DJNZ' operation but the counter is the system variable, BREG, rather than the B register.
Input
HL' Address of the jump offset
Output
HL' Address of the next calculator literal to execute
dec_jr_nz 367A EXX Go to the alternative register set and save the next literal pointer on the machine stack.
367B PUSH HL
367C LD HL,$5C67 Make HL point to BREG.
367F DEC (HL) Decrease BREG.
3680 POP HL Restore the next literal pointer.
3681 JR NZ,JUMP_2 The jump is made on non-zero.
3683 INC HL The next literal is passed over.
3684 EXX Return to the main register set.
3685 RET Finished.
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