RosettaCodeData/Task/Number-names/PowerBASIC/number-names.basic

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FUNCTION int2Text (number AS QUAD) AS STRING
IF 0 = number THEN
FUNCTION = "zero"
EXIT FUNCTION
END IF
DIM num AS QUAD, outP AS STRING, unit AS LONG
DIM tmpLng1 AS QUAD
DIM small(1 TO 19) AS STRING, tens(7) AS STRING, big(5) AS STRING
DIM tmpInt AS LONG, dcnt AS LONG
ARRAY ASSIGN small() = "one", "two", "three", "four", "five", "six", _
"seven", "eight", "nine", "ten", "eleven", _
"twelve", "thirteen", "fourteen", "fifteen", _
"sixteen", "seventeen", "eighteen", "nineteen"
ARRAY ASSIGN tens() = "twenty", "thirty", "forty", "fifty", "sixty", _
"seventy", "eighty", "ninety"
ARRAY ASSIGN big() = "thousand", "million", "billion", "trillion", _
"quadrillion", "quintillion"
num = ABS(number)
DO
tmpLng1 = num MOD 100
SELECT CASE tmpLng1
CASE 1 TO 19
outP = small(tmpLng1) + " " + outP
CASE 20 TO 99
SELECT CASE tmpLng1 MOD 10
CASE 0
outP = tens((tmpLng1 \ 10) - 2) + " " + outP
CASE ELSE
outP = tens((tmpLng1 \ 10) - 2) + "-" + small(tmpLng1 MOD 10) + " " + outP
END SELECT
END SELECT
tmpLng1 = (num MOD 1000) \ 100
IF tmpLng1 THEN
outP = small(tmpLng1) + " hundred " + outP
END IF
num = num \ 1000
IF num < 1 THEN EXIT DO
tmpLng1 = num MOD 1000
IF tmpLng1 THEN outP = big(unit) + " " + outP
unit = unit + 1
LOOP
IF number < 0 THEN outP = "negative " + outP
FUNCTION = RTRIM$(outP)
END FUNCTION
FUNCTION PBMAIN () AS LONG
DIM n AS QUAD
#IF %DEF(%PB_CC32)
INPUT "Gimme a number! ", n
#ELSE
n = VAL(INPUTBOX$("Gimme a number!", "Now!"))
#ENDIF
? int2Text(n)
END FUNCTION