Prtblk
Output Graphics Block to Printer
Prtblk() Opcode = 36
T his fu nctio n c an be u sed to p rin t th e en tire s cre en , o r a n y p ortio n of it, to
a g ra p h ics p rin ter.
C macro format
lo ng prtab le;
P rtb lk (prtab le);
Machine language format
m ov e.l p rta ble, - (sp )
m o v e.w
# 3 6 , - ( s p )
trap
# 1 4
ad d q .l # 6 ,s p
Inputs
p rtab le
lo ng
Byte Number Element Name
Q—3 b lkp rt (Sw e)
4 - 5 o ffset (o )
6 - 7 i ^ /w i d t h l&Uo)
8 - 9 —J h eig h t (qoo)
1 0 -1 1 v_, J left (?)
1 2 -1 3 b rig ht (o)
1 4 -1 5 v -^ s c r r e s (?)
1 8 -2 1 co lp al (trFMo)
2 2 -2 3 w 4 ty p e (ij)
2 4 -2 5 w - d p o rt
1
2 6 -2 9 m ask s
Results
N o ne
T h e ad d re ss of a 30 -b y te p ara m ete r tab le
th a t d eterm in es h ow th e scree n block is
p rin ted .
Description
S tartin g ad d re ss o f scre en R A M
O ffset from start ad d re ss in bits (0 -7 )
S cre en w id th (in b ytes)
S cree n h eig h t
L eft m a rg in fo r scre en d u m p
R igh t m argin fo r scree n d u m p
S cre en reso lu tio n
0 = L ow
1 = M ed iu m
2 = H igh
P rin te r re so lu tio n
0 = D raft: 9 60 dpi (d o ts p e r inch )
1 = Fin al: 1 28 0 dp i
S tartin g ad d re ss of th e co lo r p ale tte
P rin ter ty pe
0 = A tari m o n o ch ro m e d o t-m atrix
1 = A ta ri m on o ch ro m e d aisy w h ee l
2 = A ta ri co lo r d o t-m atrix
'4 = E p so n m o n o ch ro m e d o t-m atrix
P rin ter p o rt
0 = P arallel
1 = R S23 2 serial
S tartin g a d d re ss o f h alfton e m ask table (if 0,
u se de fau lt R O M table)
See also
S c r d m p ()
231
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