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Kernel 0.93++
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Rémy GIBERT
parent
56c77fb224
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688a9857a6
149
.Docs/KERNEL.md
149
.Docs/KERNEL.md
@ -3,10 +3,9 @@
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## Copyright
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Copyright 2015 - 2020, Remy Gibert and the A2osX contributors.
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# ArgV
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# Shift
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## ASM
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**In:**
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A = argument index.
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## RETURN VALUE
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@ -14,6 +13,39 @@ CC : success
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Y,A = PTR To Arg[A]
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CS : Out Of Bound
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# ArgV
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## ASM
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A = argument index.
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## RETURN VALUE
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CC : success
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Y,A = PTR To Arg[A]
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CS : Out Of Bound
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# Arg2ArgV
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Expand String and convert to StrV List
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## C
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short int arg2argv(char* args, char* argv[])
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## ASM
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`>PUSHW args`
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`>PUSHW argv`
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`>SYSCALL Arg2ArgV`
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## RETURN VALUE
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A = Arg count
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# ArgVDup
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## ASM
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Y,A = Src StrV
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## RETURN VALUE
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X = hMem of new StrV
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A = Str Count
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# LoadDrv
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## ASM
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@ -79,7 +111,7 @@ Create a hDEV
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`int hDIR opendir (const char * dirpath);`
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## ASM
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`>LDYA dirpath`
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`>PUSHW dirpath`
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`>SYSCALL opendir`
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## RETURN VALUE
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@ -118,25 +150,10 @@ Create a hDEV
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## RETURN VALUE
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none, always succeed.
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# Expand
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## C
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`char *expand(const char *str, char *expanded);`
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## ASM
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**In:**
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`>PUSHW str`
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`>PUSHW expanded`
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`>SYSCALL expand`
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## RETURN VALUE
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Y,A = PTR to Expanded String
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X = hMem to Expanded String (C-String)
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# SetEnv
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Change or add an environment variable
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## C
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## C / CSH
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`int setenv(const char *name, const char *value);`
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## ASM
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@ -151,7 +168,7 @@ Change or add an environment variable
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searches the environment list to find the environment variable name,
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and returns a pointer to the corresponding value string.
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## C
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## C / CSH
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`char *getenv(const char *name, char *value);`
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## ASM
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@ -167,7 +184,7 @@ and returns a pointer to the corresponding value string.
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# PutEnv
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Change or add an environment variable, string is 'NAME=VALUE'
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## C
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## C / CSH
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`int putenv(char *string);`
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## ASM
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@ -180,7 +197,7 @@ Change or add an environment variable, string is 'NAME=VALUE'
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# UnsetEnv
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Remove an environment variable
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## C
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## C / CSH
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`int unsetenv(const char *name);`
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## ASM
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@ -198,8 +215,8 @@ Change The type of a ProDOS File
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## ASM
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**In:**
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`>PUSHBI filetype`
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`>LDYA filepath`
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`>PUSHW filepath`
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`>PUSHB filetype`
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`>SYSCALL chtyp`
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## RETURN VALUE
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@ -407,10 +424,10 @@ Y,A = PTR to MemBlock
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# LoadStkObj
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Load a file in AUX memory (Stock Objects)
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PUSHW = AUXTYPE (Handled by....
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PUSHB = TYPE ...
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PUSHW = PATH (Handled by....
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PUSHB = MODE ...
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LDYA = PATH ...FOpen)
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PUSHB = TYPE ...
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PUSHW = AUXTYPE ...FOpen)
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## RETURN VALUE
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Y,A = File Length
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@ -433,8 +450,8 @@ Load a file in AUX memory (Stock Objects)
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# ExecL
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## C
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`int execl(const char* cmdline, short int flags);`
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## C / CSH
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`int execl(const char *cmdline, short int flags);`
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## ASM
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`>PUSHW cmdline`
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@ -446,17 +463,28 @@ A = Child PSID
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# ExecV
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## C
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## C / CSH
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`int execv(const char* argv[], short int flags);`
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## ASM
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`>PUSHW argv`
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`>PUSHB flags`
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`>LDYA argv`
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`>SYSCALL execv`
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## RETURN VALUE
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A = Child PSID
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# Fork
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## C
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`short int fork();`
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## ASM
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`>SYSCALL fork`
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## RETURN VALUE
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A = Child PSID
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# Kill
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## C
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@ -661,8 +689,8 @@ Return information about a file
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## ASM
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**In:**
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`>PUSHW pathname`
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`>PUSHW statbuf`
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`>LDYA pathname`
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`>SYSCALL stat`
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## RETURN VALUE
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@ -675,8 +703,8 @@ create a directory
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## ASM
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**In:**
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`>PUSHW pathname`
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`>PUSHW mode`
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`>LDYA pathname`
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`>SYSCALL mkdir`
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## RETURN VALUE
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@ -947,9 +975,10 @@ Open a file
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**In:**
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## ASM
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`>PUSHWI auxtype`
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`>PUSHBI ftype`
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`>PUSHBI flags`
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`>PUSHW filename`
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`>PUSHB flags`
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`>PUSHB ftype`
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`>PUSHW auxtype`
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+ O.RDONLY : if R and exists -> ERROR
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+ O.WRONLY : if W and exists -> CREATE
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+ O.TRUNC : Reset Size To 0
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@ -965,7 +994,6 @@ TODO: replace flags/ftype/auxtype with mode="w+,t=TYP,x=AUXTYPE"
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+ a+ = O_RDWR | O_CREAT | O_APPEND
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+ ,t=123 or t=$ff or t=TXT
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+ ,x=12345 or x=$ffff
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`>LDYAI filename`
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## RETURN VALUE
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CC : A = hFILE
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@ -1078,7 +1106,7 @@ int remove(const char *pathname);
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## ASM
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**In:**
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`>LDYA pathname`
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`>PUSHW pathname`
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`>SYSCALL remove`
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## RETURN VALUE
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@ -1091,8 +1119,8 @@ Rename a file
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## ASM
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**In:**
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`>PUSHW oldpath`
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`>PUSHW newpath`
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`>LDYA oldpath`
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`>SYSCALL rename`
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## RETURN VALUE
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@ -1175,12 +1203,12 @@ Convert String to 16 bits int
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Return the canonicalized absolute pathname
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## C
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`unsigned short int realpath (const char* str, char *resolvedpath);`
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`char *realpath(const char *path, char *resolvedpath);`
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## ASM
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**In:**
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`>PUSHWI resolvedpath`
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`>LDYA str`
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`>PUSHW path`
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`>PUSHW resolvedpath`
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`>SYSCALL realpath`
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## RETURN VALUE
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@ -1189,6 +1217,20 @@ CC : success
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X = hMem of Full Path
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CS : A = Error Code
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# Expand
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## C
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`char *expand(const char *str, char *expanded);`
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## ASM
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`>PUSHW str`
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`>PUSHW expanded`
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`>SYSCALL expand`
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## RETURN VALUE
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Y,A = PTR to Expanded String
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X = hMem to Expanded String (C-String)
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# StrLen
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Returns Length of C-String
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@ -1328,29 +1370,6 @@ CS : no match
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CC : str added to hSTRV
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CS : hSTRV full
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# StrVDup
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## ASM
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Y,A = Src StrV
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## RETURN VALUE
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X = hMem of new StrV
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A = Str Count
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# Str2StrV
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Expand String and convert to StrV List
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## C
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short int str2strv(char* args, char* argv[])
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## ASM
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`>PUSHW argv`
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`>LDYA args`
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`>SYSCALL Str2StrV`
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## RETURN VALUE
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A = Arg count
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# Time
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Get System Time in Buffer
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