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80×86 Architecture: Watcom Runtime

Assembler code
cseg01:1044 cseg01:1044 ; =============== S U B R O U T I N E ======================================= cseg01:1044 cseg01:1044 ; Attributes: library function cseg01:1044 cseg01:1044 __MemFree proc far ; CODE XREF: _ffree_+1A↓p cseg01:1044 ; _nfree_+31↓p ... cseg01:1044 cseg01:1044 ; FUNCTION CHUNK AT cseg01:1041 SIZE 00000003 BYTES cseg01:1044 cseg01:1044 push si cseg01:1045 push di cseg01:1046 push cx cseg01:1047 push ds cseg01:1048 mov ds, dx cseg01:104A or ax, ax cseg01:104C jz short loc_1041 cseg01:104E mov si, ax cseg01:1050 sub si, 2 cseg01:1053 mov ax, [si] cseg01:1055 test al, 1 cseg01:1057 jz short loc_1041 cseg01:1059 and al, 0FEh cseg01:105B mov di, si cseg01:105D add di, ax cseg01:105F test word ptr [di], 1 cseg01:1063 jnz short loc_1084 cseg01:1065 cmp di, [bx+6] cseg01:1068 jnz short loc_106D cseg01:106A mov [bx+6], si cseg01:106D cseg01:106D loc_106D: ; CODE XREF: __MemFree+24↑j cseg01:106D add ax, [di] cseg01:106F mov [si], ax cseg01:1071 push bx
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