fb76e97575
load/save returns oserror code. Added open/close and read (which is not tested yet). git-svn-id: svn://svn.cc65.org/cc65/trunk@637 b7a2c559-68d2-44c3-8de9-860c34a00d81
24 lines
474 B
C
24 lines
474 B
C
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#include <cbm.h>
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extern unsigned char _oserror;
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int cbm_read(unsigned char lfn, void* buffer, unsigned int size)
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{
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static unsigned int bytesread;
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static unsigned char tmp;
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if (_oserror = cbm_k_chkin(lfn)) return -1;
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bytesread = 0;
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while (bytesread<size) {
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tmp = cbm_k_basin();
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if (cbm_k_readst()) break;
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((unsigned char*)buffer)[bytesread++] = tmp;
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}
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cbm_k_clrch();
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return bytesread;
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}
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