mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-19 12:31:56 +00:00
119 lines
2.3 KiB
Plaintext
119 lines
2.3 KiB
Plaintext
NEW
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PREFIX
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AUTO 4,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF bin/kill
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*--------------------------------------
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.INB inc/macros.i
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.INB inc/a2osx.i
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*--------------------------------------
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* Zero Page Segment, up to 32 bytes
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*--------------------------------------
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.DUMMY
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.OR ZPBIN
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ZS.START
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ZPTmpPtr .BS 2
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ZS.END .ED
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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.DA #0 S.PS.F
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.DA #0
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.DA CS.END-CS.START Code Length To Relocate
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.DA DS.END-DS.START Data Segment to Allocate
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.DA #16 Stack Size
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.DA #ZS.END-ZS.START Zero Page Size
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.DA 0
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*--------------------------------------
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.MSG.USAGE .DA MSG.USAGE
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L.SSCANF.PID .DA SSCANF.PID
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.DA 0
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*--------------------------------------
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CS.INIT clc
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rts
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*--------------------------------------
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CS.RUN ldy #S.PS.ARGC
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lda (pPS),y
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beq .9
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lda #1
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>STA.G Signal
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.1 >INC.G ArgIndex
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>SYSCALL ArgV
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bcs .9
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>STYA ZPTmpPtr
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lda (ZPTmpPtr)
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cmp #'-'
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bne .2
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ldy #1
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lda (ZPTmpPtr),y
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beq .9
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cmp #'0'
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bcc .9
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cmp #'9'+1
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bcs .9
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and #$0F
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>STA.G Signal
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bra .1
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.9 >PUSHW L.MSG.USAGE
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>PUSHBI 0
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>SYSCALL PrintF
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lda #E.SYN
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sec
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rts
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.2 >PUSHW ZPTmpPtr
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>PUSHW L.SSCANF.PID
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>PUSHEA.G PID
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>PUSHBI 2 1 Ptr
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>SYSCALL SScanF
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bcs .9
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>PUSHB.G Signal
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>LDA.G PID
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>SYSCALL Kill
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bcs .99
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lda #0
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sec
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.99 rts
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*--------------------------------------
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CS.DOEVENT sec do not discard TIMER event
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rts
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*--------------------------------------
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CS.QUIT clc
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rts
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*--------------------------------------
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CS.END
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MSG.USAGE .AS "Usage : KILL <signal> PID\r\n"
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.AS " -0 : No Signal\r\n"
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.AS " -1 : SIGQUIT\r\n"
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.AZ " -2 : SIGKILL\r\n"
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SSCANF.PID .AZ "%d"
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*--------------------------------------
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.DUMMY
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.OR 0
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DS.START
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ArgIndex .BS 1
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Signal .BS 1
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PID .BS 1
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DS.END
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.ED
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*--------------------------------------
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MAN
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SAVE usr/src/bin/kill.s
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ASM
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