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Updated Syntax Samples in README.md

This commit is contained in:
Curtis F Kaylor 2018-08-05 16:54:18 -04:00
parent 0c9d6b4691
commit 660f34a2eb

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@ -28,62 +28,85 @@ in Linux, or
in Windows.
Some of the subdirectories contain a c02.bat file, which will compile the .c02 program, then run dasm to assemble the code. However, the path to dasm is hardcoded, so you will likely need to change it.
Some of the subdirectories contain a c02.bat file, which will compile
the .c02 program, then run dasm to assemble the code. However, the path
to dasm is hardcoded, so you will likely need to change it.
The file [c02.sh](./c02sh) provides the same functionality in Linux, but it may not be in a working state.
The file [c02.sh](./c02sh) provides the same functionality in Linux,
but it may not be in a working state.
## Syntax Examples
```
/* Directives */
#include <header.h02> //Include header from standard library
#include "inc/hdr.h02" //Include header from local directory
#pragma origin 8192 //Set start address of object code
#pragma zeropage $80 //Set start address of zero page variables
/* Constants */
const #TRUE = $FF, #FALSE = 0; //Constant
#define TRUE = $FF ; //Constants
#define FALSE = 0
enum {BLACK, WHITE, RED, CYAN, PURPLE, GREEN, BLUE, YELLOW};
/* Structures */
struct record {char name[8]; char index;}; //Struct Definition
struct record rec; //Struct Declaration
/* Declarations */
char i, j; //Variables
char debug = #TRUE; //Variable initialized to constant
char flag = %01010101; //Variable initialized to literal
char r[7]; //8 byte Array
char s = "string"; //Array initialized to string
char m = {1,2,3}; //Array initialized to list
/* Variables and Array Declarations */
char i, j; //Variables
zeropage p,q; //Variables in zeropage
const char nine = 9; //Const variable set to decimal literal
const char maxsiz = $FF; //Const variable set to hexadecimal literal
const char flag = %01010101; //Const variable set to binary literal
const char debug = #TRUE; //Const variable set to constant
char r[7]; //8 byte array 0 (decimal dimension)
aligned char m[$FF]; //256 byte array aligned to page boundary
const char s = "string"; //Const array set to string literal
const char m = {1,2,3}; //Const array set to literal list
const char t = {"one", 1); //Const array set to mixed list
/* Functions Declarations */
void myfunc(); //Forward declaration of function
char min(tmp1, tmp2) {
//function definition
char myfunp(tmp1, tmp2, tmp3) {
//function code
}
/* Assignments */
hmove; s80vid; //Implicit Assignments
x = 0; y = a; a = 1; //Register Assignments
b = c + d - e & f | g ^ h; //Assignment and Expression
d[j] = r[i] + s[x] + t[y]; //Array Indexing
a<< ;b[i]>>; x++; y--; //Post-Operations
hmove; s80vid; //Implicit Assignments
x = 0; y = a; a = 1; //Register Assignments
b = c + d - e & f | g ^ h; //Assignment and Expression
r[i] = s[j+1] & t[k-1]; //Array Indexing
d[j] = r[a] + s[x] + t[y]; //Arrays Indexed by Register
r = (i>j) ? d[i] : e[j]; //Shortcut If
a<< ;b[i]>>; x++; y--; //Post-Operations
/* Function Calls */
i = abs(n); j = min(b,c), k = max(d,e); plot(h,v,c);
n = mult(e+f, div(m+n,d)) - t;
puts("string"); putc(#CR); fputs(fp, &line);
c = getc(); i = strchr(c, &s); row,col = scnpos();
push d,r; mult(); pop p; //Pass via Stack
iprint(); inline "Hello World"; //Pass Inline String
irect(); inline 10,10,100,100; //Pass Inline Parameters
i = abs(n); j = min(b,c), plot(h,v,c); //Up to Three Char Arguments
q = div(m+n,d)) - t; n = mult(e+f, z); //Expression in First Arg Only
puts("string"); fputs(fp, &line); //Passing Strings and Arrays
setdst(&dst); n = strcpy(&src); //Using Multiple String Agruments
c = getc(); setptr(*,addrhi,addrlo); //No and Skipped Arguments
row,col = scnpos(); i,j,k = get3d(); //Plural Assignments
push d,r; mult(); pop p; //Pass Arguments via Stack
iprint(); inline "Hello World"; //Pass Inline String Argument
irect(); inline 10,10,100,100; //Pass Inline Char Arguments
icpstr(); inline &dst, &src; //Pass Inline Address Arguments
/* Control Structures */
if (c = 27) goto end;
if (n) q = div(n,d) else puts("Division by 0!");
if (b==0 || b>10 && b<20) fprint(n,"input %d in range");
c = 'A' ; while (c <= 'Z') { putc(c); c++; }
while() { c=rdkey; if (c=0) continue; putchr(c); if (c=13) break; }
do c = rdkey(); while (c=0);
do (c = getchr(); putchr(c); while (c<>13)
do {c = getchr(); putchr(c);} while (c<>13)
for (c='A'; c<='Z'; c++) putc(c);
for (i=strlen(s)-1;i:+;i--) putc(s[i]);
for (i=0;c>0;i++) { c=getc(); s[i]=c }
select (getc()) {
case $0D: putln("The Enter key");
case #ESCKEY: if (#NOESC) break; goto escape;
case 'A','a': putln ("The letter A");
default: putln("some other key");
}