asm汇编源代码之-字库转换程序

将标准的16x16点阵汉字库(下载16x16汉字库)转换成适合VGA文本模式下显示的点阵汉字库

本程序需要调用file.asm中的子程序,所以连接时需要把file连接进来,如下

C:\> tlink chghzk + file

调用参数描述如下

C:\> chghzk ; 无调用参数,转换标准库文件(SRC16.FNT)为适合VGA文本模式显示的汉字库(DST16.FNT)

; more source code at http://www.ahjoe.com/source/srcdown.asp; CHANG A 16*16 HZK FILE TO VIDEO CHAR FORMATEXTRN   FOPEN:FAR, FCREATE:FAR, FREAD:FAR, FWRITE:FAREXTRN   FSIZE:FAR, FPOS:FAR
CODE    SEGMENTASSUME  CS:CODE
SOURCE  DB      'SRC16.FNT',0
DEST    DB      'DST16.FNT',0
ERRINFO DB      'ERROR!',07,0DH,0AH,'$'
GOODINFO        DB      'GOOD!',0DH,0AH,'$'
SBUFF   DW      16 DUP (0)
DBUFF   DW      16 DUP (0)
SFINO   DW      0FFH
DFINO   DW      0FFH
TSIZE   DW      0DW      0BEGIN:  MOV     AX, CSMOV     DS, AXMOV     ES, AXMOV     DX, OFFSET SOURCEMOV     AL, 00CALL    FOPENJNC     NETTEJMP     ERROR
NETTE:MOV     SFINO, AXMOV     DX, OFFSET DESTMOV     AL, 01CALL    FCREATEJC      ERRORMOV     DFINO, AXMOV     AX, SFINOCALL    FSIZEJC      ERRORMOV     TSIZE, AXMOV     TSIZE+2, DXMOV     AL, 00XOR     CX, CXMOV     DX, CXMOV     BX, SFINOCALL    FPOS
CONTI:MOV     AX, SFINOMOV     DX, OFFSET SBUFFMOV     CX, 32CALL    FREADJC      ERRORMOV     DI, OFFSET DBUFFCLDMOV     CX, 16MOV     SI, OFFSET SBUFF
REPEA1:MOVSBINC     SILOOP    REPEA1MOV     CX, 16MOV     SI, OFFSET SBUFF+1
REPEA2:MOVSBINC     SILOOP    REPEA2MOV     DX, OFFSET DBUFFMOV     AX, DFINOMOV     CX, 32CALL    FWRITEJC      ERRORDB      66HMOV     AX, 32DW      0DB      66HSUB     TSIZE, AXJZ      OVERJMP     CONTIOVER:MOV     DX, OFFSET GOODINFO
SHOO:MOV     AH, 09INT     21HMOV     AH, 4CHINT     21HERROR:MOV     DX, OFFSET ERRINFOJMP     SHOO
CODE    ENDSEND     BEGIN