Strings and Number Conversions Chapter 12. Strings and Number Conversions WHYP Strings ASCII Number String to Binary Conversion Binary Number to ASCII.

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Presentation transcript:

Strings and Number Conversions Chapter 12

Strings and Number Conversions WHYP Strings ASCII Number String to Binary Conversion Binary Number to ASCII String Conversion The WHYP Words CMOVE and CMOVE>

WHYP Strings

:TYPE(addrlen -- ) ?DUP IF\ iflen <> 0 0DO\addr DUP char EMIT 1+\next.addr LOOP THEN DROP ; Figure 12.2TYPE prints an address-length string on the screen STRING.WYP

" This is a string" " ( -- addr len ) "Quote" Will leave addr and len on the stack : bar " *******" TYPE ; is the same as : bar." *******" ;

Strings and Number Conversions WHYP Strings ASCII Number String to Binary Conversion Binary Number to ASCII String Conversion The WHYP Words CMOVE and CMOVE>

Strings and Number Conversions WHYP Strings ASCII Number String to Binary Conversion Binary Number to ASCII String Conversion The WHYP Words CMOVE and CMOVE>

: U.( u -- ) (U.) TYPE 32 EMIT ; :.( n -- ) (.) TYPE 32 EMIT ;

Strings and Number Conversions WHYP Strings ASCII Number String to Binary Conversion Binary Number to ASCII String Conversion The WHYP Words CMOVE and CMOVE>