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/* If the Makefile does not provide configuration options, then set
reasonable default values.
*/
#if defined(MOVEROM)
#undef MOVEROM
#define MOVEROM 0x80000
#endif
/* Scratch space has to be at least 10kB; but because of the relocation
address at 0x98000 we cannot use more then 32kB for uncompressed data
anyways, so lets give all the rest of the segment to the scratch area.
*/
#ifndef SCRATCH
#define SCRATCH 0x8000
#endif
/* We need some unique magic ID, if we defer startup thru the INT19h
handler. This way, we can check if we have already been installed.
*/
#ifndef MAGIC
#define MAGIC 0xE44C
#endif
/* Hook into INT19h handler
*/
#define INT19VEC 0x64
#define SCRATCHVEC 0x300
/* Offsets of words containing ROM's CS and size (in 512 byte blocks)
from start of floppy boot block at 0x7C00
*/
#define FLOPPY_SEGMENT 0x7C0
#define ROM_SEGMENT 506
#define ROM_LENGTH 508
/* Do not change these values unless you really know what you are doing;
the pre-computed lookup tables rely on the buffer size being 4kB or
smaller. The buffer size must be a power of two. The lookahead size has
to fit into 6 bits. If you change any of these numbers, you will also
have to adjust the compressor accordingly.
*/
#define BUFSZ 4096
#define LOOKAHEAD 60
#define THRESHOLD 2
#define NCHAR (256+LOOKAHEAD-THRESHOLD)
#define TABLESZ (NCHAR+NCHAR-1)
#define ROOT (TABLESZ-1)
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