| Assignment 5:
Extend the scheme which has a rule number  sign list .
List replacing number sign list
| number sign list |
list.position  0
|
| |
if sign.negative
|
| |
then number.value - list.value
|
| |
else number.value list.value
|
| |
|
| sign + |
sign.negative false
|
| sign - |
sign.negative true
|
| list bit |
bit.position list.position
|
| |
list.value bit.value
|
| list 0 list 1 bit |
list 1 .position list 0 .position + 1
|
| |
bit.position list 0 .position
|
| |
list 0 .value list 1 .value + bit.value
|
| |
|
| bit 0 |
bit.value 0
|
| bit 1 |
bit.value 2 bit.position
|
|
