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| author | Robin Haberkorn <robin.haberkorn@googlemail.com> | 2025-03-29 06:19:21 +0300 |
|---|---|---|
| committer | Robin Haberkorn <robin.haberkorn@googlemail.com> | 2025-04-23 06:51:22 +0300 |
| commit | 92f964701d55ae3a7c2060da3a78fe6d3b665bcb (patch) | |
| tree | 4deb210d56a018259411b2fd5f79743698b6b69b /teco.h | |
| parent | 93f61120ddba2093d85dbd09dff2deb42f0393e2 (diff) | |
| download | videoteco-fork-92f964701d55ae3a7c2060da3a78fe6d3b665bcb.tar.gz | |
MS-DOS real-mode (8086) port
It can be cross-compiled or compiled natively on 32-bit DOS
with OpenWatcom C v1.9.
Compiling on an 8086 might be possible later on - but we would
have to add support for some ancient ANSI C compiler.
Diffstat (limited to 'teco.h')
| -rw-r--r-- | teco.h | 52 |
1 files changed, 43 insertions, 9 deletions
@@ -41,8 +41,8 @@ #define BLOCKED 2 #define INVALIDATE 3 -#define VMAJOR 6 -#define VMINOR 7 +#define VMAJOR 7 +#define VMINOR 0 #define AUTO_DATE "$Date: 2007/12/10 22:13:07 $" #define TECO_FILENAME_TOTAL_LENGTH 1024 @@ -60,7 +60,12 @@ #define LINE_BUFFER_SIZE 1024 #define DEFAULT_CHECKPOINT (5*60) #define TAG_HASH_ENTRIES 1024 +#if defined(MSDOS) && !defined(__HUGE__) +/* make sure that all variables fit into 64kb */ +#define PARSER_STRING_MAX 512 +#else #define PARSER_STRING_MAX 1024 +#endif #define SEARCH_STRING_MAX PARSER_STRING_MAX #define NORMAL_TAB_WIDTH 8 #define MAX_TAB_WIDTH 16 @@ -69,8 +74,18 @@ #define INITIAL_LINE_BUFFER_SIZE 32 #define INCREMENTAL_LINE_BUFFER_SIZE 32 #define MINIMUM_ALLOCATION_BLOCK 32 +#if defined(MSDOS) && !defined(__HUGE__) +/* + * FIXME: The lookaside mechanism needs to be revised. + * It has been disabled, so that all tec_alloc() are + * more or less directly passed to malloc(). + */ +#define LOOKASIDE_COUNT 1 +#define LARGEST_LOOKASIDE_BLOCK 0 +#else #define LOOKASIDE_COUNT 32 #define LARGEST_LOOKASIDE_BLOCK (LOOKASIDE_COUNT * MINIMUM_ALLOCATION_BLOCK) +#endif #define BIG_MALLOC_HUNK_SIZE (LARGEST_LOOKASIDE_BLOCK * 64) #define NORMAL_TAB_WIDTH 8 @@ -129,12 +144,12 @@ #define TYPE_C_TAGSTR 49 #define TYPE_C_MAXTYPE 49 -#define MAGIC_SCREEN 0x01010101 -#define MAGIC_BUFFER 0x02020202 -#define MAGIC_LINE 0x03030303 -#define MAGIC_LINE_LOOKASIDE 0x04040404 -#define MAGIC_FORMAT 0x05050505 -#define MAGIC_FORMAT_LOOKASIDE 0x06060606 +#define MAGIC_SCREEN ((int)0x01010101) +#define MAGIC_BUFFER ((int)0x02020202) +#define MAGIC_LINE ((int)0x03030303) +#define MAGIC_LINE_LOOKASIDE ((int)0x04040404) +#define MAGIC_FORMAT ((int)0x05050505) +#define MAGIC_FORMAT_LOOKASIDE ((int)0x06060606) #ifdef DEBUG1 void do_preamble_checks(void); @@ -352,15 +367,22 @@ typedef unsigned long teco_ptrint_t; * vms. It lets us write our own version of functions which simply do not * exist outside of unix. */ -#ifndef VMS +#if !defined(VMS) && !defined(MSDOS) #define UNIX #define JOB_CONTROL #endif /* * Include Files From GNU Autoconf/Autoheader + * + * FIXME: The Autoconf build system does not pass down -DHAVE_CONFIG_H. + * This should be fixed by rewriting it as the original sources + * are missing. */ +//#ifdef HAVE_CONFIG_H +#ifndef __WATCOMC__ #include "config.h" +#endif #ifdef HAVE_SYS_IOCTL_H #include <sys/ioctl.h> @@ -451,6 +473,10 @@ typedef unsigned long teco_ptrint_t; #endif #endif +#if HAVE_DIRECT_H +#include <direct.h> +#endif + #if HAVE_SYS_WAIT_H # include <sys/wait.h> #endif @@ -475,6 +501,10 @@ typedef unsigned long teco_ptrint_t; # include <termio.h> #endif +#if HAVE_IO_H +#include <io.h> +#endif + #if HAVE_FCNTL_H #include <fcntl.h> #endif @@ -565,6 +595,10 @@ typedef unsigned long teco_ptrint_t; } #endif +#ifdef MSDOS +#include <conio.h> +#endif + /* method declarations */ void error_message(char * string); void tec_release(unsigned char type, char *addr); |