mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-12-27 02:31:00 +00:00
125 lines
3.7 KiB
C
125 lines
3.7 KiB
C
#include <stdio.h>
|
|
#include <string.h> /* strlen() */
|
|
#include <ctype.h> /* isalnum() */
|
|
|
|
#include "version.h"
|
|
|
|
/* with help from code by Paul Schlyter */
|
|
|
|
/* detokenizes Apple 2 integer basic programs */
|
|
/* re-tokenizing is hard, as some with same name */
|
|
/* such as PRINT have different tokens depending */
|
|
/* on arguments */
|
|
|
|
/* Integer Basic */
|
|
char integer_tokens[128][8]={
|
|
|
|
/* 00 */ "HIMEM:", "<$01>", "_", ":",
|
|
"LOAD ", "SAVE ", "CON ", "RUN", /* direct */
|
|
/* 08 */ "RUN", "DEL ", ",", "NEW",
|
|
"CLR", "AUTO", ",", "MAN",
|
|
/* 10 */ "HIMEM:", "LOMEM:", "+", "-", /* binary */
|
|
"*", "/", "=", "#",
|
|
/* 18 */ ">=", ">", "<=", "<>",
|
|
"<", " AND ", " OR ", " MOD ",
|
|
/* 20 */ "^", "+", "(", ",",
|
|
" THEN ", " THEN ", ",", ",",
|
|
/* 28 */ "\"", "\"", "(", "!",
|
|
"!", "(", " PEEK ", "RND",
|
|
/* 30 */ "SGN", "ABS", "PDL", "RNDX",
|
|
"(", "+", "-", " NOT ", /* unary */
|
|
/* 38 */ "(", "=", "#", "LEN(",
|
|
"ASC(", "SCRN(", ",", "(",
|
|
/* 40 */ "$", "$", "(", ",",
|
|
",", ";", ";", ";",
|
|
/* 48 */ ",", ",", ",", "TEXT", /* Statements */
|
|
"GR", "CALL ", "DIM ", "DIM ",
|
|
/* 50 */ "TAB ", "END", "INPUT ", "INPUT ",
|
|
"INPUT ", "FOR ", "=", " TO ",
|
|
/* 58 */ "STEP ", "NEXT ", ",", "RETURN",
|
|
"GOSUB ", "REM ", "LET ", "GOTO ",
|
|
/* 60 */ "IF ", "PRINT ", "PRINT ", "PRINT ",
|
|
"POKE ", ",", "COLOR=", "PLOT ",
|
|
/* 68 */ ",", "HLIN ", ",", " AT ",
|
|
"VLIN ", ",", " AT ", "VTAB ",
|
|
/* 70 */ "=", "=", ")", ")",
|
|
"LIST", ",", "LIST", "POP",
|
|
/* 78 */ "NODSP", "DSP", "NOTRACE","DSP",
|
|
"DSP", "TRACE", "PR#", "IN#"
|
|
};
|
|
|
|
|
|
#define REM_TOKEN 0x5D
|
|
#define UNARY_PLUS 0x35
|
|
#define UNARY_MINUS 0x36
|
|
#define QUOTE_START 0x28
|
|
#define QUOTE_END 0x29
|
|
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
int ch1;
|
|
int size1,size2;
|
|
int line_length;
|
|
int line1,line2;
|
|
int int1,int2;
|
|
int in_rem=0,in_quote=0,last_was_alpha=0,last_was_token=0;
|
|
int debug=0;
|
|
|
|
/* read size, first two bytes */
|
|
size1=fgetc(stdin);
|
|
size2=fgetc(stdin);
|
|
if (debug) fprintf(stderr,"Sign bytes: %x %x\n",size1,size2);
|
|
|
|
while(!feof(stdin)) {
|
|
|
|
in_rem=0;
|
|
in_quote=0;
|
|
last_was_alpha=0;
|
|
last_was_token=0;
|
|
|
|
line_length=fgetc(stdin);
|
|
if (debug) fprintf(stderr,"Line length: %d\n",line_length);
|
|
|
|
/* line number is little endian 16-bit value */
|
|
line1=fgetc(stdin);
|
|
line2=fgetc(stdin);
|
|
if (feof(stdin)) goto the_end;
|
|
printf("%4d ",((line2)<<8)+line1);
|
|
|
|
/* repeat until EOL character (1) */
|
|
while( (ch1=fgetc(stdin))!=0x1 ) {
|
|
|
|
/* if < 0x80 it's a token */
|
|
if (ch1<0x80) {
|
|
printf("%s",integer_tokens[ch1]);
|
|
if (ch1==REM_TOKEN) in_rem=1;
|
|
if (ch1==QUOTE_START) in_quote=1;
|
|
if (ch1==QUOTE_END) in_quote=0;
|
|
last_was_alpha=0;
|
|
last_was_token=1;
|
|
}
|
|
/* integer contant */
|
|
else if ((!in_rem) && (!in_quote) && (!last_was_alpha) &&
|
|
(ch1>=0xb0) && (ch1<=0xb9)) {
|
|
int1=fgetc(stdin);
|
|
int2=fgetc(stdin);
|
|
|
|
printf("%d",(int2<<8)+int1);
|
|
last_was_token=0;
|
|
}
|
|
/* otherwise it is an ascii char */
|
|
else {
|
|
fputc(ch1&0x7f,stdout);
|
|
last_was_alpha=isalnum(ch1&0x7f);
|
|
last_was_token=0;
|
|
}
|
|
|
|
}
|
|
printf("\n");
|
|
}
|
|
if (debug) fprintf(stderr,"Last was token: %d\n",last_was_token);
|
|
the_end:;
|
|
return 0;
|
|
}
|