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Added MEM and cleaned up a bit

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Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@217
This commit is contained in:
Sjoerd van der Berg 2002-08-25 16:37:17 +00:00
parent c80281976f
commit 263d74180f
1 changed files with 73 additions and 68 deletions
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141
src/dos/dos_programs.cpp
View file

@ -23,96 +23,101 @@
#include "support.h"
#include "drives.h"
#include "cross.h"
#include "regs.h"
#include "callback.h"
class MOUNT : public Program {
public:
MOUNT(PROGRAM_Info * program_info);
void Run(void);
};
MOUNT::MOUNT(PROGRAM_Info * info):Program(info) {
}
void MOUNT::Run(void) {
/* Parse the command line */
/* if the command line is empty show current mounts */
if (!*prog_info->cmd_line) {
WriteOut("Current mounted drives are\n");
for (int d=0;d<DOS_DRIVES;d++) {
if (Drives[d]) {
WriteOut("Drive %c is mounted as %s\n",d+'A',Drives[d]->GetInfo());
MOUNT(PROGRAM_Info * program_info):Program(program_info){};
void Run(void){
/* Parse the command line */
/* if the command line is empty show current mounts */
if (!*prog_info->cmd_line) {
WriteOut("Current mounted drives are\n");
for (int d=0;d<DOS_DRIVES;d++) {
if (Drives[d]) {
WriteOut("Drive %c is mounted as %s\n",d+'A',Drives[d]->GetInfo());
}
}
return;
}
return;
}
char drive;
drive=toupper(*prog_info->cmd_line);
char * dir=strchr(prog_info->cmd_line,' ');
if (dir) {
if (!*dir) dir=0;
else dir=trim(dir);
};
char drive; drive=toupper(*prog_info->cmd_line);
if (!isalpha(drive) || !dir) {
WriteOut("Usage MOUNT Drive-Letter Local-Directory\nSo a MOUNT c c:\\windows mounts windows directory as the c: drive in DOSBox\n");
return;
};
struct stat test;
if (stat(dir,&test)) {
WriteOut("Directory %s Doesn't exist",dir);
return;
char * dir=strchr(prog_info->cmd_line,' '); if (dir) {
if (!*dir) dir=0;
else dir=trim(dir);
}
if (!isalpha(drive) || !dir) {
WriteOut("Usage MOUNT Drive-Letter Local-Directory\nSo a MOUNT c c:\\windows mounts windows directory as the c: drive in DOSBox\n");
return;
};
struct stat test;
if (stat(dir,&test)) {
WriteOut("Directory %s Doesn't exist",dir);
return;
}
/* Not a switch so a normal directory/file */
if (!(test.st_mode & S_IFDIR)) {
WriteOut("%s isn't a directory",dir);
return;
}
if (Drives[drive-'A']) {
WriteOut("Drive %c already mounted with %s\n",drive,Drives[drive-'A']->GetInfo());
return;
}
char fulldir[DOS_PATHLENGTH];
strcpy(fulldir,dir);
static char theend[2]={CROSS_FILESPLIT,0};
char * last=strrchr(fulldir,CROSS_FILESPLIT);
if (!last || *(++last)) strcat(fulldir,theend);
Drives[drive-'A']=new localDrive(fulldir);
WriteOut("Mounting drive %c as %s\n",drive,fulldir);
}
/* Not a switch so a normal directory/file */
if (!(test.st_mode & S_IFDIR)) {
WriteOut("%s isn't a directory",dir);
return;
}
if (Drives[drive-'A']) {
WriteOut("Drive %c already mounted with %s\n",drive,Drives[drive-'A']->GetInfo());
return;
}
char fulldir[DOS_PATHLENGTH];
strcpy(fulldir,dir);
static char theend[2]={CROSS_FILESPLIT,0};
char * last=strrchr(fulldir,CROSS_FILESPLIT);
if (!last || *(++last)) strcat(fulldir,theend);
Drives[drive-'A']=new localDrive(fulldir);
WriteOut("Mounting drive %c as %s\n",drive,fulldir);
}
};
static void MOUNT_ProgramStart(PROGRAM_Info * info) {
MOUNT * tempmount=new MOUNT(info);
tempmount->Run();
tempmount->Run() ;
delete tempmount;
}
class MEM : public Program {
public:
MEM(PROGRAM_Info * program_info);
void Run(void);
MEM(PROGRAM_Info * program_info):Program(program_info){};
void Run(void) {
/* Show conventional Memory */
WriteOut("\n");
Bit16u seg,blocks;blocks=0xffff;
DOS_AllocateMemory(&seg,&blocks);
WriteOut("%10d Kb free conventional memory\n",blocks*16/1024);
/* Test for and show free XMS */
reg_ax=0x4300;CALLBACK_RunRealInt(0x2f);
if (reg_al==0x80) {
reg_ax=0x4310;CALLBACK_RunRealInt(0x2f);
Bit16u xms_seg=SegValue(es);Bit16u xms_off=reg_bx;
reg_ah=8;
CALLBACK_RunRealFar(xms_seg,xms_off);
if (!reg_bl) {
WriteOut("%10d Kb free extended memory\n",reg_dx);
}
}
/* Test for and show free EMS */
Bit16u handle;
if (DOS_OpenFile("EMMXXXX0",0,&handle)) {
DOS_CloseFile(handle);
reg_ah=0x42;
CALLBACK_RunRealInt(0x67);
WriteOut("%10d Kb free expanded memory\n",reg_bx*16);
}
}
};
MEM::MEM(PROGRAM_Info * info):Program(info) {
}
void MEM::Run(void) {
}
static void MEM_ProgramStart(PROGRAM_Info * info) {
MEM mem(info);
mem.Run();
}
@ -203,7 +208,7 @@ static void UPCASE_ProgramStart(PROGRAM_Info * info) {
void DOS_SetupPrograms(void) {
PROGRAMS_MakeFile("MOUNT.COM",MOUNT_ProgramStart);
// PROGRAMS_MakeFile("MEM.COM",MEM_ProgramStart); /*next release */
PROGRAMS_MakeFile("MEM.COM",MEM_ProgramStart);
#if !defined (WIN32) /* Unix */
PROGRAMS_MakeFile("UPCASE.COM",UPCASE_ProgramStart);
#endif