76 lines
1.4 KiB
Markdown
76 lines
1.4 KiB
Markdown
## API List
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APIs given by COS2000 libraries
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### LIBSYS
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All fonctions in the "libsys" library.
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------
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`u32 exit(u32 resultcode);`
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*Description:End a task for user or kernel domain*
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* syscall id : **5**
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* arguments : **1**
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* * argument 1 : **u32 resultcode** *Code result of the execution*
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* results : **u32**
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* dump of register cpu: **no**
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------
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`u32 getticks(void);`
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*Description:Return the internal value of the timer*
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* syscall id : **4**
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* arguments : **0**
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* results : **u32**
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* dump of register cpu: **no**
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------
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`u8 waitkey(void);`
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*Description:Wait for user to press a key and return the ascii code pressed*
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* syscall id : **1**
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* arguments : **0**
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* results : **u8**
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* dump of register cpu: **no**
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------
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`u32 testapi(u32 arg1, u32 arg2, u32 arg3);`
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*Description:Simple function to test if SYSCALL API is correctly running*
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* syscall id : **0**
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* arguments : **3**
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* * argument 1 : **u32 arg1** *first argument of your choice*
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* * argument 2 : **u32 arg2** *second argument of your choice*
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* * argument 3 : **u32 arg3** *third argument of your choice*
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* results : **u32**
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* dump of register cpu: **yes**
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### LIBVIDEO
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All fonctions in the "libvideo" library.
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------
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`u32 print(u8* string);`
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*Description:Show a string on the screen*
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* syscall id : **2**
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* arguments : **1**
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* * argument 1 : **u8* string** *string to show in ascii format*
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* results : **u32**
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* dump of register cpu: **no**
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