IBM 7090 - Page 126

Plus to Ace (5)
16 (01)
2.12.92.1
Prevent SR(18-35)
+AO(P-17) 19 (03)
2.12.16.1
Note: Tag =0
Block XR ... Adders
10 (03)
Put Zeros in
SR(1-20)by
Operating Set and Hold Lines
Zero
Already in SR(S)
L.::....:.=-':'':'''=''..:-...I AS Goes to SR(21-35)
FIGURE 5.3-63. PXA +0754; PXO -0754
125
FIGURE 5.3-64. SXA +0634; SXO -0634