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132 lines
2.1 KiB
Plaintext
132 lines
2.1 KiB
Plaintext
PR#3
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PREFIX /A2OSX.BUILD
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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*--------------------------------------
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*--------------------------------------
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CmdLine.CLR ldy #0
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.1 lda (ZPCMDBuf),y
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beq .9
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.2 lda #$7F
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sta (ZPCMDBuf),y
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iny
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lda (ZPCMDBuf),y
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bne .2
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jsr CmdLine.PRINT
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jmp CmdLine.RESET
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.9 rts
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*--------------------------------------
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CmdLine.BS >LDA.G CmdBufPtr
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beq .9
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dec
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sta (pData),y
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lda #8
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>SYSCALL PutChar.A
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.9 rts
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*--------------------------------------
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CmdLine.NAK >LDA.G CmdBufPtr
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>CMP.G CmdBuflen
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beq .9
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inc
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>STA.G CmdBufPtr
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lda #21
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>SYSCALL PutChar.A
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.9 rts
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*--------------------------------------
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CmdLine.DEL >LDA.G CmdBuflen
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beq .8
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sec
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>SBC.G CmdBufPtr
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tax Keep in x char count to \0
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bne .1
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>DEC.G CmdBuflen
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>STA.G CmdBufPtr
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tay
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lda #0
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sta (ZPCMDBuf),y
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lda #$7f
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>SYSCALL PutChar.A
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rts
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.8 clc
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rts
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.1 >LDA.G CmdBufPtr
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tay
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.2 iny
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lda (ZPCMDBuf),y
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dey
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sta (ZPCMDBuf),y
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iny
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dex
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bne .2
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>DEC.G CmdBuflen
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*--------------------------------------
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CmdLine.PRINTPTR
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>LDA.G CmdBufPtr
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tay
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.1 lda (ZPCMDBuf),y
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beq .2
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phy
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>SYSCALL PutChar.A
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ply
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iny
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bra .1
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.2 lda #' '
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>SYSCALL PutChar.A
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lda #8
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>SYSCALL PutChar.A
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>LDA.G CmdBufPtr
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tay
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.3 lda (ZPCMDBuf),y
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beq .8
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phy
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lda #8
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>SYSCALL PutChar.A
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ply
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iny
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bra .3
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.8 clc
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rts
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*--------------------------------------
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CmdLine.PRINT >LDYA ZPCMDBuf
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>SYSCALL PrintF.YA
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rts
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*--------------------------------------
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CmdLine.RESET lda #0
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sta (ZPCMDBuf)
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>STA.G bCmdBufexec
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>STA.G CmdBufPtr
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>STA.G CmdBuflen
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>STA.G bSecureRead Clear password mode
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rts
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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/SBIN/SHELL.S.CL
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LOAD /A2OSX.SRC/SBIN/SHELL.S
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ASM
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