ó֡
кдѺ (Thai Kernel System : TKS)
кдѺ TKS ١͡ẺоѲ·ҹҡͧ
ԺѵԡԨäԷɵʵ
֧ TKS ʺҡ㹡â°ҹ 駹ͧҡ
ա¹ŧմѧ к TKS
ҧѺþѲк繾鹰ҹ Ѻҧ
;प
ʶһѵ¡ͧ TKS
к TKS ١͡Ẻըش¤
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ѡɳ繿ѧѹԡ÷µ͡¡ пѧѹԡè
ŢӡѺ ¡¡ѡɳпѧѹ CALL ҡ
ء
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ʹѺʹع÷ӧҹ鹰ҹǢͧѺ 蹿ѧѹ
ѺҾ ͧ
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դǷ¹ŧٻẺ鹡Ѻػóҧ
ͧءԴ ʴźҾء (ѡ͡ҿԡ)
ʡ᷹·ءзءдѺ
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TKS öѧ 蹡èѴèҾẺ˹ҵҧ
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ǹǢͧкͿ鼼١ѹѺǴ
TKS ҧдѺçҧ繪 ¨ Physical device drive 觨
˹ҷǺµç 繪áش Ъ鹶ѴҨ繪鹢ͧ
ͨԤŴǫ жѴ仨дѺͧѧ蹤ź дѺش
֧дѺͧ;पء
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дѺԤŴǫ (PDD - Physical Device Driver)
дѺաõԴ͡Ѻػóµç Ҿ 繵
㹡õԴͨաá˹Ţҧ
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entry #0-#3 ˹ҷǡѺǨͺСõԴк
entry #16-#21 ˹ҷǡѺѺ觢繵ѡ (char)
(word)
entry #22-#25 ˹ҷǡѺѺ觢繡ѡ (stream)
дѺͨԤŴǫ (LDD-Logical Device Driver)
дѺзӡõԴ͡Ѻػóҹҧ STD_IN, STD_OUT, STD_ERR
繵 á˹ѡɳйöӡ¹ȷҧ (redirection)
дѺѧѹź (FCLF-Function Call and Library Function)
дѺǢͧѺ I/O к öӡõԴ¼ҹ
ҧ¡ҹѧѹ
дѺء
дѺöõԴͨҡдѺ㴡 3 дѺҧ鹷駹
ѺͧǷͧõԴ Ф㹡ҹ
ҧͧ¡ TKS
¡ҹ LDD
main()
{
STRING string;
string = & "к\^Ǫҭ\0";
dprints (STD_OUT, string);
exit();
}
¡ҹк (function call)
#define READCHAR 5
main()
{
Char ch;
ch = Func_call (READCHAR, STD_AUX);
exit;
}
¡ҹ PDD µç
#define ENTRY 17
main()
{
TEXT test = {"_","_","_","_"};
PDD_VDO(ENTRY, txt);
}
˵
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dprints, Func_call 繿ѧ FCLF
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PDD_VDO 繪ͧ͢¡кдѺ PDD
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