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Rev 1629 Rev 1823
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#include "helpers.h"
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#include "helpers.h"
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void dos_get_date(unsigned short *y, unsigned char *m, unsigned char *d) {
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  /* get cur date */
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  _asm {
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    mov ah, 0x2a  /* DOS 1+ -- Query DOS Date */
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    int 0x21      /* CX=year DH=month DL=day */
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    mov bx, y
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    mov [bx], cx
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    mov bx, m
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    mov [bx], dh
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    mov bx, d
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    mov [bx], dl
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  }
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}
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void dos_get_time(unsigned char *h, unsigned char *m, unsigned char *s) {
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  _asm {
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    mov ah, 0x2c  /* DOS 1+ -- Query DOS Time */
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    int 0x21      /* CH=hour CL=minutes DH=seconds DL=1/100sec */
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    mov bx, h
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    mov [bx], ch
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    mov bx, m
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    mov [bx], cl
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    mov bx, s
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    mov [bx], dh
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  }
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}
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/* case-insensitive comparison of strings, compares up to maxlen characters.
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/* case-insensitive comparison of strings, compares up to maxlen characters.
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 * returns non-zero on equality. */
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 * returns non-zero on equality. */
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int imatchlim(const char *s1, const char *s2, unsigned short maxlen) {
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int imatchlim(const char *s1, const char *s2, unsigned short maxlen) {
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  while (maxlen--) {
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  while (maxlen--) {
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    char c1, c2;
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    char c1, c2;