*ddt;
! + 1.0000 ddt + .0000
! Missing = sign, command flushed.
(*) ddt;
        
↑b
*input dbug[eu,dek]
 (dbug.mf[eu,dek] 1
! Lookup failed on file eubase.mf (and also on eubase.mf[TEX,SYS]).
p.1,l.34 input eubase
                     ; call fontbegin;
↑i
*eubase[eu,dek] 
 (eubase.mf[eu,dek] 1 2 3 4 5 6 7 8 9)
! Lookup failed on file test.mf (and also on test.mf[TEX,SYS]).
p.1,l.35 input test
                   ;
↑i
*test[eu,dek] 
 (test.mf[eu,dek] 1 2
The letter A...
draw:   (cpen)   #   ...   #   ...   #     
                 304       305       306                 
 w = 2.000     2.000     2.000     2.000     2.000    
 x = 55.83     55.83     115.4     175.0     175.0    
 y = 96.60     96.60     96.91     96.60     96.60    
        tanx = 59.59     113.5     59.59    
        tany = 2.628     .0000    -2.628    

Quitting. Do you want a chance to see the memory?