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33 lines
1.4 KiB
C
33 lines
1.4 KiB
C
/**********************************
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* C02 Expession Parsing Routines *
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**********************************/
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enum adacts {ADNONE, ADLDYX, ADPUSH};
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char term[255]; //Term parsed from equation
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char oprstk[MAXTRM]; //Operator Stack
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char trmstk[MAXTRM][VARLEN+1]; //Function/Index Terms Stack
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int trmidx; //Next Index in Stack
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int trmcnt; //Number of total terms in current expression
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int chkadr(int adract, int alwstr); //Check for and Process Address or String
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void chkidx(); //Check for, Parse, and Process Index
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int prcftm(int alwint); //Process First Term
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void prcptx(char *index); //Process Pointer Index
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void prcvri(void); //Process Integer Variable
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int prcivr(int alwint); //Process Integer Variable in Term
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void prsadr(int adract); //Parse and Compile Address of Operator
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void prsbop(void); //Parse Byte Operator
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void prsval(int alwreg, int alwcon); //Parse Value
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void prsfnc(char trmntr); //Parse function call
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void prsfpr(char trmntr); //Parse Function Paraeters or Return
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void prsidx(); //Parse Array Index
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void prsptr(void); //Parse Pointer
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int prstrm(int alwint, int alwptr); //Parse Term in Expression
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void prsrxp(char trmntr); //Parse Rest of Expression
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int prsxpf(char trmntr); //Parse Expression in Function Call
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void prsxpr(char trmntr); //Parse Expression
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void prsxpi(char trmntr, int asmxpr); //Parse Integer Expression
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