Routines |
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This subroutine simply returns if the current value held in the A register does not represent a digit but if it does then the floating-point form for the digit becomes the 'last value' on the calculator stack.
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STK_DIGIT | 2D22 | CALL NUMERIC | Is the character a digit? | |||||||||
2D25 | RET C | Return if not. | ||||||||||
2D26 | SUB "0" | Replace the code by the actual digit. | ||||||||||
This routine continues into STACK_A.
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