74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
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#include <stdio.h>
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#define MEM_SIZE 40960
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#define STACK_SIZE 64
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#define RSTACK_SIZE 64
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void f_init();
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void f_cdef();
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void f_immediate();
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void f_quiet();
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void f_loud();
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void f_interpreter();
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union cell_union;
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typedef union cell_union cell;
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union cell_union {
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int i;
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unsigned int u;
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cell *p;
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char *s;
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void (*f)();
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FILE *fp;
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};
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extern char mem[MEM_SIZE];
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extern cell *HERE;
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extern cell *LATEST;
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extern cell IP;
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extern cell W;
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extern cell *rstack;
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extern cell *stack;
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extern FILE *IN_FILE;
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extern FILE *OUT_FILE;
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#define F_NAMELEN_MASK 0x7f
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#define F_IMMEDIATE 0x80
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#define CELL_OFFSET(cp, b) ((cell*)(((char *)(cp)) + b))
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#define TOP() (*(stack - 1))
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#define ST1() (*(stack - 2))
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#define ST2() (*(stack - 3))
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void DROP(int n);
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void PUSHC(cell c);
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void PUSHI(int i);
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void PUSHU(unsigned int u);
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void PUSHCP(cell *c);
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#define PUSHP(p) PUSHCP((cell*)p)
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void PUSHS(char *s);
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void RPUSH(cell c);
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#define RPOP() (--rstack)
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#define RTOP() (*(rstack - 1))
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void f_key();
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void f_word();
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void f_emit();
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void f_puts();
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void f_dot();
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void f_cr();
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void f_comma();
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void f_bcomma();
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void f_create(); // name --
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void f_cdef(); // func name --
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void f_doconst();
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void f_compileword();
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cell f_lookupcp(char *name);
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void f_execcp(cell cp);
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#define CDEF(name, def) PUSHP(def); PUSHS(name); f_cdef()
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#define ICONST(name, v) CDEF(name, f_doconst); PUSHI(v); f_comma()
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#define PCONST(name, p) CDEF(name, f_doconst); PUSHP(p); f_comma()
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