\u672c\u6765\u6211\u662f\u4e0d\u51c6\u5907\u5199\u8fd9\u7bc7\u6587\u7ae0\u7684\uff0c\u4f46\u51b7\u4e0d\u59a8\u6709\u4f4d\u540c\u4ec1\u95ee\u8d77\uff0c\u4e5f\u53ea\u597d\u505a\u4e2a\u56de\u7b54\uff0c\u987a\u4fbf\u501f\u6b64\u66f4\u65b0\u4e00\u4e0b\u7f51\u9875\u3002<\/p>\n
XMS\uff0c\u6269\u5145\u5185\u5b58\u7ba1\u7406\u89c4\u8303\u3002\u572816bit DOS\u7cfb\u7edf\u4e0b\uff0c\u4e3a\u4e86\u4f7f\u7528640k\u4ee5\u5916\u7684\u5185\u5b58\uff0cXMS\u6210\u4e86\u4e00\u79cd\u6700\u597d\u7684\u624b\u6cd5\u3002<\/p>\n
\u5728\u8fd9\u91cc\uff0c\u6211\u4e0d\u60f3\u591a\u8bb2XMS\u7684\u5b9e\u73b0\uff0c\u53ea\u5bf9\u672c\u6587\u6240\u63d0\u4f9b\u7684XMS\u7c7b\u505a\u4e00\u4e0b\u4f7f\u7528\u8bb2\u89e3\u3002<\/p>\n
\u4f8b\u5b50\u53ef\u4ee5\u8bf4\u660e\u4e00\u5207\uff1a<\/p>\n
#include”XMS.H”
\nvoid main()
\n{
\nFILE *fp;
\nint i;
\nchar *str;
\nXMS xms1(1024);\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/\u4e3axms1\u6307\u9488\u5206\u914d1024k\u7684\u5185\u5b58
\nfp=fopen(“C:\\\\WIN\\\\WIN386.SWP”,”rb”);
\nstr=(char *)malloc(1024);
\nfor(i=0;i<1024;i++)
\n{
\nfread(str,1,1024,fp);
\nxms1.put((void *)str,(void *)(i*1024),1024);
\n\/\/\u5c06\u5185\u5b58\u6307\u9488str\u4e2d\u76841024\u4e2a\u5b57\u8282\u7684\u5185\u5bb9\u5199\u5230,xms1\u7684\u7b2ci*1024\u4e2a\u5b57\u8282\u5904
\n}
\nfclose(fp);
\nfp=fopen(“WIN386.SWP”,”wb”);
\nfor(i=0;i<1024;i++)
\n{
\nxms1.get((void *)str,(void *)(i*1024),1024);
\n\/\/\u5c06\u6269\u5145\u5185\u5b58xms1\u4e2d\uff0c\u4ece\u7b2ci*1024\u4e2a\u5b57\u8282\u5904\u5f00\u59cb\u76841024\u4e2a\u5b57\u8282\u7684\u5185\u5bb9\u5199\u5230str\u4e2d
\nfwrite(str,1,1024,fp);
\n}
\nfclose(fp);
\n}<\/p>\n
\n
XMS.H<\/p>\n
#if !defined XMS_H
\n#define XMS_H<\/p>\n
class XMS {
\nint handle;
\nint move(struct EMB *emb);
\npublic:
\nXMS(int size);
\n~XMS();
\nstatic int OK;
\nstatic int init(void);
\nstatic unsigned freesize(void);
\nstatic unsigned largestblock(void);
\nint realloc(int size);
\nint put(void *dp,void *sp,long leng);
\nint get(void *dp,void *sp,long leng);
\n};<\/p>\n
#endif<\/p>\n
XMS.CPP<\/p>\n
#include <dos.h>
\n#include <alloc.h><\/p>\n
#include “xms.h”<\/p>\n
struct EMB {
\nlong Leng;
\nunsigned SourceHandle;
\nlong SourceOfs;
\nunsigned DestinHandle;
\nlong DestinOfs;
\n};<\/p>\n
int XMS::OK=0;
\nstatic void far *XMSaddr;<\/p>\n
int XMS::init(void)
\n{
\nstatic struct REGPACK rg;<\/p>\n
rg.r_ax=0x4300;
\nintr(0x2f,&rg);
\nif( (rg.r_ax&0x00ff) == 0x80 )
\n{
\nrg.r_ax=0x4310;
\nintr(0x2f,&rg);
\nXMSaddr=MK_FP(rg.r_es,rg.r_bx);
\nOK=1;
\n}
\nelse
\nOK=0;
\nreturn(OK);
\n}<\/p>\n
unsigned XMS::freesize(void)
\n{
\nif(OK==0)
\nreturn(0);
\nasm {
\nmov ah,8
\ncall XMSaddr
\n}
\nreturn _DX;
\n}<\/p>\n
unsigned XMS::largestblock(void)
\n{
\nif(OK==0)
\nreturn(0);
\nasm {
\nmov ah,8
\ncall XMSaddr
\n}
\nreturn _AX;
\n}<\/p>\n
XMS::XMS(int size)
\n{
\nif(OK==0)
\n{
\nhandle=0;
\nreturn;
\n}<\/p>\n
asm {
\nmov ah,9
\nmov dx,size
\ncall XMSaddr
\n}
\nhandle=_DX;
\n}<\/p>\n
XMS::~XMS()
\n{
\nif(handle==0)
\nreturn;<\/p>\n
int hd=handle;
\nasm {
\nmov ah,0ah
\nmov dx,hd
\ncall XMSaddr
\n}
\n}<\/p>\n
int XMS::realloc(int size)
\n{
\nif(handle==0)
\nreturn(0);<\/p>\n
int hd=handle;
\nasm {
\nmov ah,0fh
\nmov bx,size
\nmov dx,hd
\ncall XMSaddr
\n}
\nreturn _AX;
\n}<\/p>\n
int XMS::move(struct EMB *emb)
\n{
\nasm {
\npush ds
\nmov ah,0bh
\npush ds
\npop es
\nlds si,emb
\ncall es:XMSaddr
\npop ds
\n}
\nreturn _AX;
\n}<\/p>\n
int XMS::put(void *sp,void *dp,long leng)
\n{
\nstruct EMB emb;<\/p>\n
if(leng&1L)
\nleng++;
\nemb.Leng=leng;
\nemb.SourceHandle=0;
\nemb.SourceOfs=(long)sp;
\nemb.DestinHandle=handle;
\nemb.DestinOfs=(long)dp;
\nreturn move(&emb);
\n}<\/p>\n
int XMS::get(void *dp,void *sp,long leng)
\n{
\nint v;
\nstruct EMB emb;<\/p>\n
if(leng&1L)
\n{
\nchar *p,*d;<\/p>\n
leng–;
\nif( leng>0 )
\n{
\nemb.Leng=leng;
\nemb.SourceHandle=handle;
\nemb.SourceOfs=(long)sp;
\nemb.DestinHandle=0;
\nemb.DestinOfs=(long)dp;
\nmove(&emb);
\n}<\/p>\n
p=(char *)malloc(2);
\nemb.Leng=2L;
\nemb.SourceHandle=handle;
\nemb.SourceOfs=(long)sp+leng;
\nemb.DestinHandle=0;
\nemb.DestinOfs=(long)p;
\nv=move(&emb);
\nd=(char*)dp;
\nd[leng]=p[0];
\nfree(p);
\n}
\nelse
\n{
\nemb.Leng=leng;
\nemb.SourceHandle=handle;
\nemb.SourceOfs=(long)sp;
\nemb.DestinHandle=0;
\nemb.DestinOfs=(long)dp;
\nv=move(&emb);
\n}
\nreturn(v);
\n}<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u6765\u6211\u662f\u4e0d\u51c6\u5907\u5199\u8fd9\u7bc7\u6587\u7ae0\u7684\uff0c\u4f46\u51b7\u4e0d\u59a8\u6709\u4f4d\u540c\u4ec1\u95ee\u8d77\uff0c\u4e5f\u53ea\u597d\u505a\u4e2a\u56de\u7b54\uff0c\u987a\u4fbf\u501f\u6b64\u66f4\u65b0\u4e00\u4e0b\u7f51\u9875\u3002 XMS\uff0c\u6269\u5145\u5185\u5b58\u7ba1\u7406 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[],"class_list":["post-123","post","type-post","status-publish","format-standard","hentry","category-dos"],"_links":{"self":[{"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=\/wp\/v2\/posts\/123","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=123"}],"version-history":[{"count":1,"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=\/wp\/v2\/posts\/123\/revisions"}],"predecessor-version":[{"id":124,"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=\/wp\/v2\/posts\/123\/revisions\/124"}],"wp:attachment":[{"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=123"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=123"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.hyzgame.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=123"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}