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MERGE.ASM
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Assembly Source File
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1996-01-18
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967b
|
60 lines
; MERGE.ASM for E32 - Copyright (C) 1994 Douglas Herr
; all rights reserved
include model.inc
public merge
extrn open_space:near
extrn fileloadfar:near
extrn memcopy:near
extrn error:near
extrn edit_filename:near
fname equ [ebp-64]
include dataseg.inc
extrn cursor:dword
extrn dirty_bits:byte
extrn file_read_error:byte
mrg_mes db 'Merge: ',0
@curseg ends
include codeseg.inc
merge proc near
enter 64,0
mov byte ptr fname,0
lea esi,mrg_mes
call edit_filename
cmp ax,27 ; ESC key?
je short exit ; done if so
lea edx,fname
call fileloadfar
jnc short m0
lea edx,file_read_error
call error
clc
jmp short exit
m0:
push ebx
push eax
call open_space ; ret: ES = filesel
pop ecx ; sizeof new file
pop ebx ; BX = new file selector
xor esi,esi
mov edi,cursor
push ds
mov ds,bx
call memcopy
pop ds
sys RelMem
or dirty_bits,10000001b
exit:
leave
ret
merge endp
@curseg ends
end