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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 on theme: "Strings and Number Conversions Chapter 12. Strings and Number Conversions WHYP Strings ASCII Number String to Binary Conversion Binary Number to ASCII."— Presentation transcript:

1 Strings and Number Conversions Chapter 12

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

3 WHYP Strings

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

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

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

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

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

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

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