mirror of
https://github.com/A2osX/A2osX.git
synced 2024-06-09 15:29:29 +00:00
126 lines
3.0 KiB
Plaintext
126 lines
3.0 KiB
Plaintext
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NEW
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PREFIX
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AUTO 4,1 Enable MASM3 auto line num
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.LIST OFF
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.OP 65C02 Target CPU, must match CPU level in header
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.OR $2000 usualy $2000, but any value > $100 allowed
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.TF SBIN/INITD
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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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* MyPtr .BS 2
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ZS.END
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.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 #S.PS.F.EVENT
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.DA #0
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.DA CS.END-CS.START Code Size (without Constants)
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.DA DS.END-DS.START Data SegmentSize
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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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* Relocation Table
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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.CTRLR .DA MSG.CTRLR
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L.MSG.ETCINIT .DA MSG.ETCINIT
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L.BINSHELL .DA BINSHELL
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L.ETCINIT .DA ETCINIT
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.DA 0
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*--------------------------------------
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* Called once at process creation
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* Put code for loading LIB here
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*--------------------------------------
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CS.INIT clc
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rts
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*--------------------------------------
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* Called until exit with CS
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* if RUN exits with CC, RN entered again
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*--------------------------------------
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CS.RUN ldy #S.PS.PID
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lda (pPS),y
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cmp #1
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bne .9
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>SYSCALL getchar
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bcs .1
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cmp #$12 CTRL-R for Root mode
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bne .1
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>LDYA L.MSG.CTRLR
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>SYSCALL puts
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>PUSHBI S.PS.F.HOLD
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>LDYA L.BINSHELL
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>SYSCALL ExecL
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>SLEEP
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.1 >LDYA L.MSG.ETCINIT
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>SYSCALL puts
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>PUSHBI S.PS.F.HOLD
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>LDYA L.ETCINIT
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>SYSCALL ExecL
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>SLEEP
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lda #0
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sec
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rts
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.9 lda #E.SYN
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sec
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rts
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*--------------------------------------
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* Called if option S.PS.F.EVENT enabled in Header
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* Timer Event : every 10th seconds
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*--------------------------------------
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CS.DOEVENT sec
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rts
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*--------------------------------------
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* Called once, when RUN exited with CS
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* Put code for unloading LIB here
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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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*--------------------------------------
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* Initialized DATA
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*--------------------------------------
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MSG.CTRLR .AZ "Ctrl-R Pressed, entering ROOT mode..."
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MSG.ETCINIT .AS "Executing ETC/INIT Script:"
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ETCINIT .AZ "${ROOT}ETC/INIT"
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BINSHELL .AZ "${ROOT}BIN/SHELL"
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*--------------------------------------
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* Per Process DATA segement (0 filled before INIT)
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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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DS.END
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.ED
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*--------------------------------------
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MAN
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SAVE USR/SRC/SBIN/INITD
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ASM
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