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Text File  |  1995-08-28  |  2KB  |  52 lines
  1. ;   ####             #    #     # #
  2. ;   #   #            #    #       #          The FreeWare C library for
  3. ;   #   #  ##   ###  #  # #     # ###             RISC OS machines
  4. ;   #   # #  # #     # #  #     # #  #   ___________________________________
  5. ;   #   # ####  ###  ##   #     # #  #
  6. ;   #   # #        # # #  #     # #  #    Please refer to the accompanying
  7. ;   ####   ### ####  #  # ##### # ###    documentation for conditions of use
  8. ;   ________________________________________________________________________
  9. ;
  10. ;   File:    Filing.s.Single2
  11. ;   Author:  Copyright © 1995 Sergio Monesi
  12. ;   Version: 1.00 (28 Jul 1995)
  13. ;   Purpose: Reads a single directory entry
  14.  
  15.         GET     ^.h.regdefs
  16.         GET     ^.h.swinos
  17.         GET     ^.h.macros
  18.  
  19. ; os_error *Filing_SingleDirEntry2(char *dirname, void *buf,
  20. ;                                  int size, char *filename);
  21.  
  22.         PREAMBLE
  23.         STARTCODE Filing_SingleDirEntry2
  24. ;
  25.         STMFD   sp!, {r4-r6,lr}
  26.         MOV     r6, r3
  27.         MOV     r5, r2
  28.         MOV     r4, #0
  29.         MOV     r2, r1
  30.         MOV     r1, r0
  31.         MOV     r0, #10
  32.  
  33. loop
  34.         MOV     r3, #256
  35.         SWI     SWI_OS_GBPB + XOS_Bit
  36.         LDMVSFD sp!, {r4-r6,pc}^
  37.  
  38.         TEQ     r3, #1
  39.         BEQ     endok
  40.         TEQ     r4, #0
  41.         BGE     loop
  42.  
  43.         MOV     r0, #0                 ;
  44.         STR     r0, [r2, #16]          ; objtype = 0
  45.         LDMFD   sp!, {r4-r6,pc}^
  46.  
  47. endok
  48.         MOV     r0, #0
  49.         LDMFD   sp!, {r4-r6,pc}^
  50. ;
  51.         END
  52.