Radio Shack TRS-80 100 Quick Reference Manual page 12

Keyboard
Input
Key board
inpuiCommandsmcl Functions
INK
EY$ Returns the
str
log
valueol
ihe
key
currently
prassM.
if
any.
II
noko^ispiosserj. the
furctkMiretumsa
null
charade'
C
"J. In
eilfiorcasa
BASlCdoeaoi^afllo' heyDoaiOmpuilxiigsoBtol''*
ncxtstalement
AS
-
1NKEYS
INPUT -prompr;»arJeota««l
F^irtopromptocithesc'eeathen
stops
exocutonofyoui program
urttiiyou
enter daia'rornttne
keyooard.
INPUT KrValLeS'.XV
INPVTtf numeric
expression)
Relume aslringo'
numeric
expression
characterslromthekeyOoard lNPUT$sccepl6allkey6
as input
except
iBPEAK
una
Ooesn'i
echo (pnnion me screen) youi
input
A$-
INPUTSI5)
KdiuiKtiQnhtynumbvr.atringwtntoniin BASIC
only
I
SebtiQGlunclio'ikovnumDerasstntgexp'es&ton
KEV6"JTlweS"
.
CHRSJ13)
KEY
LIST
lisis
the current delinitonstor
thefunct'onkeyson tr#
saeen.
-CfYLlST
KEV(funeUon*«vnumber)OMo'OFForSTOP
EnaWesc*
disable*
th* 'one Won *ey interrupt
KEY(2)0W
KEYON
KEY'ljOFF
LINE INPUT 'prwnpr';strtng«ri»Me Prints
prornpf on the
Screen
rr^nslowewcuionotvoutprogtarnurpWyouenleraslr^
from
ihekeYCoard then assigns
that string toslrmg. va/iacwe
UNt
INTUIT' Enter
Name
and Address
*'.NAS
OtlKEV QOSVBIinm number
Int
Detmesimerruolstorthe
function
keys
Upon
pr-esstng the
nth function key.
B ASIC jumps
to
month ime
number rtHnenuwDot
HSI
ON
KEY G-CSU0
1000 2000. 300O..b0OO
II
The Screen <LCD)
The
i_CDscieen conswtsof 14.360
<2«x
W)<nrJr*dualOols.
or
>iais
*~chyoumayi
u
mon('PSET)0'loinoflt
PRESET Jfrom
BASIC
These
pixM can
also
fro
grouped
into 320 140
1
8) positions at
w^tch you
can
display
any ol the
MooeMOOsprintnOlecnaraclers
The
Screen.
QBfWtlfll and Functions
Ct-S
Tuma of
all ol
Inn
LCD
pixels
On mescreen and
moves
ihe
eu'so'tofhauDpei
let
Comoro'
the
screen
CXS
CLOSE
IBmnmtm «(
Closes
the tiles
OPEN'-ed
as
Re
nwUt
CLOSH12
3
CLGSF
CSRLIN Returns
tfe vertical
position
(»ne
numberjol thecursor.
nfiere
O
Is
tho top
i«
ne and
7
is
the
bottom hne
A%
- CSRLIN
LCOPY
Piirnsme texiorinewteenonlolheprintot.
LCOPv
ignore* non-texl
data
LCOPY
UNEf>»,y»J~fx2.jtf>. color
swlfch,BF
Drawsallnelrom
ooordir«teB»fv»lOi[2.v2.ifcotof
swifcnisenooYjoumbe".
BASC
setsihepovitsoi
iho ine.
and
itcoftv
swoon iseven
men
BASCiesetstne
points or
the
line
Btnlis
BASIC
to
r>a«abo«wim
coiners
at fx
l.yV
and
i'Z.yt).
OF
tells
BASIC
to
m
m
the
bo«
with
cctot swre/i,
Bom
B arc
BF
nOJtn
**
you
specify
color switch.
LINE-iW.aM
LINE (20.20)-(5O63).O
LINE(0.0H?3963)
IB
LINE(0.QM239.«3).«.GF
LIST
Mm number
nng*
Lists
ineWw/wnoer
raYigflo'thacu»e
o
t
program
on
-the
screen.
LIS!
100300
UST
MAXFlLES Stores the current
maximum
number
ot tiles
.You
may
access
MAXFILES
like
any numeric
vanawe
10MAXP1LES
-
5
PRtNTMAWIlES