mirror of https://github.com/A2osX/A2osX.git
734 lines
14 KiB
Plaintext
734 lines
14 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
*/--------------------------------------
|
||
* # PrintF (BLOCKING)
|
||
* # FPrintF (BLOCKING)
|
||
* # SPrintF
|
||
* Prints C-Style String
|
||
* ## C
|
||
* `int printf ( const char *format, ... );`
|
||
* `int fprintf ( short int stream, const char *format, ... );`
|
||
* `int sprintf ( char *str, const char *format, ... );`
|
||
* ## ASM
|
||
* **In:**
|
||
* PrintF : (example is for printing Y,A as integer : format="%I", 2 bytes)
|
||
* `>PUSHW format`
|
||
* `>PUSHW i`
|
||
* `...`
|
||
* `>PUSHBI 2` #bytecount
|
||
* `>SYSCALL PrintF`
|
||
* FPrintF :
|
||
* `>PUSHB hFILE`
|
||
* `>PUSHW format`
|
||
* `>PUSHW i`
|
||
* `...`
|
||
* `>PUSHBI 2` #bytecount
|
||
* `>SYSCALL fprintf`
|
||
* SPrintF :
|
||
* `>PUSHW str`
|
||
* `>PUSHW format`
|
||
* `>PUSHW i`
|
||
* `...`
|
||
* `>PUSHBI 2` #bytecount
|
||
* `>SYSCALL sprintf`
|
||
* ## RETURN VALUE
|
||
* CC : success, Y,A = bytes sent
|
||
* CS : error, A = code from Output
|
||
* Specifiers :
|
||
* + %b : pull 1 byte to Print BIN
|
||
* + %d : pull 1 byte unsigned DEC 0..255
|
||
* + %D : pull 2 bytes unsigned DEC 0..65535
|
||
* + %u : pull 4 bytes long unsigned DEC 0..4294967295
|
||
* + %e : pull 5 Bytes float (-)1.23456789e+12
|
||
* + %f : pull 5 Bytes float (-)3.1415
|
||
* + %h : pull 1 byte to Print HEX
|
||
* + %H : pull 2 bytes to Print HEX
|
||
* + %i : pull 1 byte to Print signed DEC -128..127
|
||
* + %I : pull 2 bytes to Print signed DEC -32768..32767
|
||
* + %L : pull 4 bytes signed DEC -2147483648..2147483647
|
||
* + %s : pull 2 bytes ptr to C-Style String
|
||
* + %S : pull 2 bytes ptr to P-Style String
|
||
* + \b : Print 'BS' (08)
|
||
* + \e : Print 'ESC' ($1B,27)
|
||
* + \f : Print 'FF' ($0C,12)
|
||
* + \n : Print 'LF' ($0A,10)
|
||
* + \r : Print 'CR' ($0D,13)
|
||
* + \t : Print 'TAB' ($09,09)
|
||
* + \v : Print 'VT' ($0B,11)
|
||
* + \xHH : Print byte with hexadecimal value HH (1 to 2 digits)
|
||
* + \\\\ : Print \
|
||
* + \\% : Print %
|
||
* Modifiers for len and padding :
|
||
* + %d : '9' '12'
|
||
* + %2d : ' 9' '12'
|
||
* + %02d : '09' '12'
|
||
* + %11s : 'ABCDEFGH '
|
||
* + %011s : 'ABCDEFGH000'
|
||
* + %2f : '3.14'
|
||
*\--------------------------------------
|
||
.DUMMY ZPTMP+5,5 Used by : STDIO2
|
||
.OR ZPTMP+5 5 Bytes
|
||
PrintF.Cnt .BS 2
|
||
PrintF.hFILE .BS 1
|
||
STDIO.StackBytePtr .BS 1
|
||
STDIO.ExitPopCnt .BS 1
|
||
.ED
|
||
*--------------------------------------
|
||
K.PrintF.PadL .EQ FAC+5
|
||
K.PrintF.PadC .EQ ARG.SIGN
|
||
*--------------------------------------
|
||
K.PrintF ldy #S.PS.hStdOut
|
||
lda (pPS),y
|
||
sta PrintF.hFILE
|
||
|
||
ldx #1
|
||
.HS 2C BIT ABS
|
||
*--------------------------------------
|
||
K.FPrintf ldx #2
|
||
.HS 2C BIT ABS
|
||
*--------------------------------------
|
||
K.SPrintf ldx #3
|
||
*--------------------------------------
|
||
K.PrintF.1 sec format string->ptr2
|
||
jsr STDIO.GetParams
|
||
|
||
stx pIOBuf
|
||
sta pIOBuf+1 Output buffer->pIOBuf
|
||
|
||
sty STDIO.ExitPopCnt Total bytes to POP
|
||
|
||
.1 jsr SHARED.GetCharPtr2
|
||
bne .22
|
||
|
||
jmp .8 end of format..
|
||
|
||
.22 cmp #'%'
|
||
bne .10
|
||
stz K.PrintF.PadL
|
||
stz K.PrintF.PadC
|
||
lda (ZPPtr2)
|
||
beq .7 end of format... print % and exit
|
||
|
||
jsr ZP.IsDigit
|
||
bcs .6 no digit....go check specifier
|
||
cmp #'0' ...a 0...mmm... padding char?
|
||
bne .4
|
||
sta K.PrintF.PadC
|
||
jsr SHARED.NextCharPtr2 skip 0 ...
|
||
lda (ZPPtr2)
|
||
beq .7
|
||
|
||
jsr ZP.IsDigit
|
||
bcs .6 %0x ??????
|
||
|
||
.4 jsr MATH32.Dec2ACC32
|
||
bcs .99
|
||
lda ACC32
|
||
sta K.PrintF.PadL
|
||
lda K.PrintF.PadC
|
||
bne .5
|
||
lda #C.SPACE
|
||
sta K.PrintF.PadC
|
||
|
||
.5 jsr SHARED.AddYToPtr2 skip all processed chars
|
||
|
||
lda (ZPPtr2)
|
||
beq .7
|
||
|
||
.6 ldx #PrintFTBL1.Cnt-1 do we have a %x command?
|
||
.61 cmp PrintFTBL1,x
|
||
beq .62
|
||
dex
|
||
bpl .61
|
||
bra .20 unknown ...
|
||
|
||
.62 jsr SHARED.NextCharPtr2
|
||
txa yes, jmp to it!
|
||
asl
|
||
tax
|
||
jsr PrintF.ESC
|
||
.11 bcc .1
|
||
bra .99
|
||
.7 lda #'%'
|
||
bra .20
|
||
*--------------------------------------
|
||
.10 cmp #'\'
|
||
bne .20
|
||
|
||
jsr SHARED.GetCharPtr2
|
||
beq .99
|
||
ldx #PrintFTBL2.Cnt-1
|
||
.12 cmp PrintFTBL2,x
|
||
beq .19
|
||
dex
|
||
bpl .12
|
||
|
||
cmp #'x' \xHH
|
||
bne .1
|
||
|
||
jsr MATH32.Hex2ACC32
|
||
bcs .99
|
||
|
||
jsr SHARED.AddYToPtr2
|
||
.14 lda ACC32
|
||
bra .20
|
||
.19 lda PrintFTBL2.OUT,x
|
||
|
||
.20 jsr PrintF.PutC
|
||
bcc .11
|
||
*--------------------------------------
|
||
.99 lda #E.BADARG
|
||
sec
|
||
jmp STDIO.Exit
|
||
*--------------------------------------
|
||
.8 ldx PrintF.hFILE
|
||
beq .80 Writing to buffer, append \0
|
||
|
||
>PUSHW PrintF.Cnt Writing to File/dev...
|
||
>PUSHWI K.IOBuf
|
||
|
||
txa
|
||
jsr K.FWrite
|
||
bcc .81
|
||
|
||
tay
|
||
bne .9
|
||
|
||
>RET 4 0=BLOCKING
|
||
|
||
.80 ldy PrintF.Cnt A=0, Writing to buffer, append \0
|
||
sta (pIOBuf),y
|
||
clc
|
||
.81 >LDYA PrintF.Cnt
|
||
* clc
|
||
.9 jmp STDIO.Exit
|
||
*--------------------------------------
|
||
PrintFTBL1 .AS "bdDuefhHiILsS"
|
||
PrintFTBL1.Cnt .EQ *-PrintFTBL1
|
||
PrintFTBL2 .AS "abefnrtv\%"
|
||
PrintFTBL2.Cnt .EQ *-PrintFTBL2
|
||
PrintFTBL2.OUT .HS 07.08.1B.0C.0A.0D.09.0B \a\b\e\f\n\r\t\v
|
||
.DA #'\' \\
|
||
.DA #'%' \%
|
||
*--------------------------------------
|
||
PrintF.ESC jmp (.1,x)
|
||
.1 .DA PrintF.B
|
||
.DA PrintF.D,PrintF.DD,PrintF.U
|
||
.DA PrintF.E,PrintF.F
|
||
.DA PrintF.H,PrintF.HH
|
||
.DA PrintF.I,PrintF.II,PrintF.L
|
||
.DA PrintF.S,PrintF.SS
|
||
*--------------------------------------
|
||
PrintF.B jsr STDIO.GetStackByte
|
||
bcs PrintF.B.RTS
|
||
ldy #8
|
||
|
||
.1 asl
|
||
pha
|
||
lda #'0'/2
|
||
rol
|
||
jsr PrintF.PutC
|
||
bcs .9
|
||
pla
|
||
dey
|
||
bne .1
|
||
rts
|
||
|
||
.9 ply
|
||
PrintF.B.RTS
|
||
rts
|
||
*--------------------------------------
|
||
PrintF.I sec signed short
|
||
.HS 90 BCC
|
||
PrintF.D clc unsigned short (BYTE)
|
||
|
||
ldy #1
|
||
bra PrintF.NUM
|
||
|
||
PrintF.II sec signed int
|
||
.HS 90 BCC
|
||
PrintF.DD clc unsigned int (WORD)
|
||
|
||
ldy #2
|
||
bra PrintF.NUM
|
||
|
||
PrintF.L sec signed long
|
||
.HS 90 BCC
|
||
PrintF.U clc unsigned long (DWORD)
|
||
|
||
ldy #4
|
||
|
||
PrintF.NUM sty .2+1
|
||
|
||
ror ACC32.Sign save signed/unsigned flag
|
||
jsr MATH32.ACC32ZERO
|
||
|
||
.1 jsr STDIO.GetStackByte
|
||
bcs PrintF.B.RTS
|
||
|
||
sta ACC32-1,y PULL 4,2 or 1
|
||
dey
|
||
bne .1
|
||
|
||
bit ACC32.Sign
|
||
bpl .4
|
||
|
||
.2 ldy #$ff SELF MODIFIED
|
||
|
||
lda ACC32-1,y Get highest Byte
|
||
bpl .4 positive....
|
||
|
||
lda #$ff
|
||
|
||
.3 cpy #4
|
||
beq .4
|
||
|
||
iny
|
||
sta ACC32-1,y
|
||
bra .3
|
||
|
||
.4 ldx K.PrintF.PadL
|
||
ldy K.PrintF.PadC
|
||
|
||
rol ACC32.Sign get back signed/unsigned flag
|
||
jsr MATH32.ACC322STR10
|
||
bra PrintF.StrNum
|
||
*--------------------------------------
|
||
* EXP(8) 1(s) 1significants(31)
|
||
* http://apple2.org.za/gswv/a2zine/GS.WorldView/Resources/GS.TECH.INFO/AppleSoft/
|
||
*--------------------------------------
|
||
PrintF.E sec Force "E+12"
|
||
.HS 90 BCC
|
||
PrintF.F clc
|
||
|
||
lda (pStack) get current stack Ptr
|
||
sec at least 5 bytes remaining ?
|
||
sbc #5
|
||
bcc PrintF.StrNum.Err
|
||
sta (pStack)
|
||
|
||
* sec
|
||
adc pStack
|
||
ldy pStack+1 A,Y = float
|
||
ldx #FPU.SETFAC
|
||
jsr GP.ROMCALL
|
||
ldy #A2osX.NumStrBuf+1 FOUT.1 will do a DEY
|
||
ldx #FPU.FOUT
|
||
jsr GP.ROMCALL
|
||
|
||
PrintF.StrNum ldy #0
|
||
.2 lda A2osX.NumStrBuf,y
|
||
beq .8
|
||
iny
|
||
jsr PrintF.PutC
|
||
bcc .2
|
||
|
||
.9 rts
|
||
|
||
.8 clc
|
||
rts
|
||
PrintF.StrNum.Err
|
||
lda #E.STACK
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
PrintF.S ldy #$ff CSTR
|
||
.HS 2C bit abs
|
||
PrintF.SS ldy #$00 PSTR
|
||
|
||
sty .1+1
|
||
|
||
jsr STDIO.GetStackByte
|
||
bcs .9
|
||
|
||
sta ZPPtr1+1
|
||
jsr STDIO.GetStackByte
|
||
bcs .9
|
||
|
||
sta ZPPtr1
|
||
|
||
lda (ZPPtr1) if CSTR:last char=0, if PSTR:len=0
|
||
beq .8
|
||
|
||
ldy .1+1
|
||
|
||
.1 lda #$ff Self Modified
|
||
bne .11 CSTR
|
||
|
||
tya PSTR
|
||
cmp (ZPPtr1) len check
|
||
|
||
beq .2
|
||
|
||
.11 iny
|
||
lda (ZPPtr1),y
|
||
beq .2
|
||
|
||
jsr PrintF.PutC
|
||
bcs .9
|
||
|
||
lda K.PrintF.PadL
|
||
beq .1
|
||
cpy K.PrintF.PadL
|
||
bne .1
|
||
.8 clc
|
||
rts
|
||
|
||
.2 lda K.PrintF.PadL
|
||
beq .8
|
||
|
||
.3 cpy K.PrintF.PadL
|
||
beq .8
|
||
|
||
lda K.PrintF.PadC
|
||
jsr PrintF.PutC
|
||
bcs .9
|
||
|
||
iny
|
||
bne .3
|
||
|
||
* clc
|
||
.9 rts
|
||
*--------------------------------------
|
||
PrintF.HH jsr STDIO.GetStackByte
|
||
bcs PrintF.PutC.RTS
|
||
pha LO byte
|
||
jsr STDIO.GetStackByte
|
||
plx
|
||
bcs PrintF.PutC.RTS
|
||
pha
|
||
txa
|
||
jsr PrintF.H.1
|
||
plx
|
||
bcs PrintF.PutC.RTS
|
||
txa
|
||
bra PrintF.H.1
|
||
*--------------------------------------
|
||
PrintF.H jsr STDIO.GetStackByte
|
||
bcs PrintF.PutC.RTS
|
||
PrintF.H.1 jsr MATH32.AToHexAX
|
||
jsr PrintF.PutC
|
||
bcs PrintF.PutC.RTS
|
||
txa
|
||
*--------------------------------------
|
||
PrintF.PutC phy
|
||
ldy PrintF.Cnt
|
||
sta (pIOBuf),y
|
||
ply
|
||
inc PrintF.Cnt
|
||
bne .8
|
||
lda PrintF.hFILE
|
||
bne .9
|
||
|
||
inc pIOBuf+1
|
||
inc PrintF.Cnt+1
|
||
.8 clc
|
||
rts
|
||
|
||
.9 lda #E.BUF
|
||
sec
|
||
PrintF.PutC.RTS rts
|
||
*/--------------------------------------
|
||
* # ScanF (BLOCKING)
|
||
* # FScanF (BLOCKING)
|
||
* # SScanF
|
||
* Read formatted data from string
|
||
* ## C
|
||
* `int scanf( const char *format, ... );`
|
||
* `int fscanf( short int stream, const char *format, ... );`
|
||
* `int sscanf ( const char *s, const char *format, ... );`
|
||
* ## ASM
|
||
* **In:**
|
||
* ScanF :
|
||
* `>PUSHW format`
|
||
* `>PUSHW ptr`
|
||
* `...`
|
||
* `>PUSHB bytecount`
|
||
* `>SYSCALL scanf`
|
||
* FScanF :
|
||
* `>PUSHB stream`
|
||
* `>PUSHW format`
|
||
* `>PUSHW ptr`
|
||
* `...`
|
||
* `>PUSHB bytecount`
|
||
* `>SYSCALL fscanf`
|
||
* SScanF :
|
||
* `>PUSHW s`
|
||
* `>PUSHW format`
|
||
* `>PUSHW ptr`
|
||
* `...`
|
||
* `>PUSHB bytecount`
|
||
* `>SYSCALL sscanf`
|
||
* Specifiers :
|
||
* + %i : short int
|
||
* + %d : byte
|
||
* + %I : int
|
||
* + %D : word
|
||
* + %L : long int
|
||
* + %U : dword
|
||
* + %h : HEX byte
|
||
* + %H : HEX word
|
||
* + %s : string
|
||
* TODO : %10s
|
||
* ## RETURN VALUE
|
||
* A = Number of arguments filled.
|
||
*\--------------------------------------
|
||
K.ScanF ldy #S.PS.hStdIn
|
||
lda (pPS),y
|
||
sta PrintF.hFILE
|
||
|
||
ldx #1
|
||
.HS 2C BIT ABS
|
||
*--------------------------------------
|
||
K.FScanF ldx #2
|
||
.HS 2C BIT ABS
|
||
*--------------------------------------
|
||
K.SScanF ldx #3
|
||
*--------------------------------------
|
||
K.SScanF.1 clc format string->ptr1
|
||
jsr STDIO.GetParams
|
||
|
||
stx ZPPtr2
|
||
sta ZPPtr2+1 Output buffer->ZPPtr2
|
||
|
||
sty STDIO.ExitPopCnt Total bytes to POP
|
||
|
||
ldx PrintF.hFILE
|
||
beq .1
|
||
|
||
>PUSHWI 256
|
||
>PUSHW pIOBuf
|
||
txa
|
||
jsr K.FGetS
|
||
bcc .1
|
||
|
||
tax
|
||
bne PrintF.PutC.RTS
|
||
>RET 4
|
||
|
||
.1 jsr SHARED.GetCharPtr1 End Of format?
|
||
beq .8
|
||
|
||
cmp #'%' Escape ?
|
||
beq .2
|
||
|
||
cmp #C.SPACE Space ?
|
||
beq .12
|
||
|
||
sta .11+1
|
||
|
||
jsr SHARED.GetCharPtr2
|
||
beq .9
|
||
|
||
.11 cmp #$ff Same char in string?
|
||
beq .1
|
||
|
||
bra .9
|
||
|
||
.12 jsr SHARED.GetCharPtr2
|
||
beq .9
|
||
cmp #C.SPACE
|
||
bne .9
|
||
|
||
.13 jsr SHARED.GetCharPtr2
|
||
cmp #C.SPACE another space ?
|
||
beq .13
|
||
|
||
bra .1
|
||
|
||
.2 jsr SHARED.GetCharPtr1 Get specifier after %
|
||
beq .9 unexpected End of format after "%" ?
|
||
|
||
ldx #K.SScanFJMP-K.SScanFTBL-2
|
||
|
||
.3 cmp K.SScanFTBL,x
|
||
beq .4
|
||
dex
|
||
dex
|
||
bpl .3
|
||
|
||
.9 lda #MLI.E.EOF
|
||
sec
|
||
jmp STDIO.Exit
|
||
|
||
.4 jsr STDIO.GetStackByte
|
||
bcs .9
|
||
sta ZPPtr3+1
|
||
jsr STDIO.GetStackByte
|
||
bcs .9
|
||
sta ZPPtr3
|
||
|
||
jsr .5
|
||
bcs .9 out of Ptr on stack
|
||
|
||
inc .8+1 parsed one more arg!
|
||
bra .1
|
||
|
||
.8 lda #$ff SELF MODIFIED Arg processed
|
||
clc
|
||
jmp STDIO.Exit
|
||
*--------------------------------------
|
||
.5 jmp (K.SScanFJMP,x)
|
||
*--------------------------------------
|
||
K.SScanFTBL .DA #'i,#1,#'d,#1,#'I,#2,#'D,#2,#'l,#4,#'u,#4,#'h,#1,#'H,#2,#'s,#2
|
||
K.SScanFJMP .DA K.SScanF.I
|
||
.DA K.SScanF.D
|
||
.DA K.SScanF.II
|
||
.DA K.SScanF.DD
|
||
.DA K.SScanF.L
|
||
.DA K.SScanF.U
|
||
.DA K.SScanF.H
|
||
.DA K.SScanF.HH
|
||
.DA K.SScanF.S
|
||
*--------------------------------------
|
||
K.SScanF.I
|
||
K.SScanF.D
|
||
K.SScanF.II
|
||
K.SScanF.DD
|
||
K.SScanF.L
|
||
K.SScanF.U lda K.SScanFTBL+1,x Get VAR size
|
||
pha Save VAL size
|
||
|
||
jsr MATH32.Dec2ACC32
|
||
bra K.SScanF.GetVAL
|
||
*--------------------------------------
|
||
K.SScanF.HH
|
||
K.SScanF.H lda K.SScanFTBL+1,x Get VAR size
|
||
pha
|
||
|
||
jsr MATH32.Hex2ACC32
|
||
|
||
K.SScanF.GetVAL jsr SHARED.AddYToPtr2 Y=char count parsed
|
||
|
||
.1 ply get back VAL size
|
||
|
||
.2 lda ACC32-1,y
|
||
dey
|
||
sta (ZPPtr3),y
|
||
bne .2
|
||
|
||
.9 rts
|
||
*--------------------------------------
|
||
K.SScanF.S ldy #$ff
|
||
|
||
.1 iny
|
||
lda (ZPPtr2),y Get char in string to scan
|
||
sta (ZPPtr3),y store in param ptr
|
||
beq K.SScanF.Fwd end of string to scan ?
|
||
|
||
cmp (ZPPtr1) match format next char ?
|
||
beq .2
|
||
|
||
cmp #C.SPACE is it a space ?
|
||
bne .1
|
||
|
||
.2 lda #0 add \0 to param ptr
|
||
sta (ZPPtr3),y
|
||
|
||
K.SScanF.Fwd jmp SHARED.AddYToPtr2 Y=char count parsed
|
||
*--------------------------------------
|
||
* IN:
|
||
* CC : format in ZPPtr1
|
||
* CS : format in ZPPtr2
|
||
* X = 3 : get format & buffer
|
||
* X = 2 : get format & hFile
|
||
* X = 1 : get format only
|
||
* OUT:
|
||
* X = Buf LO
|
||
* A = Buf HI
|
||
* format on stack
|
||
* Y = BytePtr
|
||
*--------------------------------------
|
||
STDIO.GetParams stz PrintF.Cnt
|
||
stz PrintF.Cnt+1
|
||
|
||
lda (pStack) Bytecount
|
||
|
||
tay
|
||
sty STDIO.StackBytePtr
|
||
|
||
iny
|
||
lda (pStack),y format LO
|
||
pha
|
||
|
||
iny
|
||
lda (pStack),y format HI
|
||
bcs .10
|
||
|
||
sta ZPPtr1+1
|
||
pla
|
||
sta ZPPtr1
|
||
bra .11
|
||
|
||
.10 sta ZPPtr2+1
|
||
pla
|
||
sta ZPPtr2
|
||
|
||
.11 dex
|
||
beq .1
|
||
|
||
dex
|
||
beq .2
|
||
|
||
.3 stz PrintF.hFILE
|
||
|
||
iny
|
||
lda (pStack),y str LO
|
||
tax
|
||
|
||
iny
|
||
lda (pStack),y str HI
|
||
|
||
rts
|
||
|
||
.2 iny
|
||
lda (pStack),y hFILE
|
||
sta PrintF.hFILE
|
||
|
||
.1 ldx #K.IOBuf
|
||
lda /K.IOBuf
|
||
|
||
STDIO.GetParams.RTS
|
||
rts
|
||
*--------------------------------------
|
||
STDIO.GetStackPtr
|
||
jsr STDIO.GetStackByte
|
||
bcs STDIO.GetParams.RTS
|
||
tax
|
||
*--------------------------------------
|
||
STDIO.GetStackByte
|
||
phy
|
||
|
||
ldy STDIO.StackBytePtr
|
||
beq .9
|
||
|
||
lda (pStack),y
|
||
dec STDIO.StackBytePtr
|
||
|
||
ply
|
||
clc
|
||
rts
|
||
|
||
.9 lda #E.STACK
|
||
|
||
ply
|
||
sec
|
||
rts
|
||
*--------------------------------------
|
||
STDIO.Exit php
|
||
pha
|
||
|
||
lda pStack
|
||
sec
|
||
adc STDIO.ExitPopCnt
|
||
sta pStack
|
||
|
||
pla
|
||
plp
|
||
rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/sys/kernel.s.stdio2
|
||
LOAD usr/src/sys/kernel.s
|
||
ASM
|