feat: fichier/répertoire effacé
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![logo](https://github.com/dahut87/cos2000v1/raw/master/Graphisme/logo.png)
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## Copies d'écran de COS2000
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/bootnew.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/ceexplorer.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/chargement.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/dir.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/editeur.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/gestionnaire.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/installation.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/interpreteur.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/librairies.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/logo.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/pci.jpg)
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![screen](https://github.com/dahut87/cos2000v1/raw/develop/Graphisme/screenshots/video.jpg)
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266
noyau/8237.asm
266
noyau/8237.asm
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@ -1,266 +0,0 @@
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;****************************************************************
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; *
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; Periph‚rique : DMA *
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; Plages Entr‚es-Sorties : 0000-000F *
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; 00C0-00DF *
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; 0080-0090 *
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; (0094-009F) *
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; Plages M‚moires : AUCUNES *
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; *
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DmaRead equ 044h ;I/O to memory, no autoinit, increment, single mode
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DmaWrite equ 048h ;Memory to I/O, no autoinit, increment, single mode
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;Lecture des bits du registre d'‚tat (08, D0 )
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STATUS_REQ3 = 80h ;Bit actif: le canal DMA concern‚
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STATUS_REQ2 = 40h ;re‡oit une requˆte DMA
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STATUS_REQ1 = 20h ;Request
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STATUS_REQ0 = 10h
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STATUS_TC3 = 08h ;Bit actif: Un transfert DMA a ‚t‚
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STATUS_TC2 = 04h ;ex‚cut‚ depuis la derniŠre lecture
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STATUS_TC1 = 02h ;du registre d'‚tat.
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STATUS_TC0 = 01h ;Terminal Count
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;Ecriture des bits du registre de commande (08, D0)
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COMMAND_DACKLEVEL = 80h ;Bit 7 actif: ligne DMA Acknowledge HIGH active
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COMMAND_DREQLEVEL = 40h ;Bit 6 actif: ligne REQ Acknowledge LOW active
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COMMAND_EXTWRITE = 20h ;Bit 5 actif: EXTENDED Write,sinon LATE Write
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COMMAND_FIXEDPRI = 10h ;Bit 4 actif: priorit‚ constante
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COMMAND_COMPRESS = 08h ;Bit 3 actif: compression
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COMMAND_INACTIVE = 04h ;Bit 2 actif: contr“leur d‚sactiv‚
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COMMAND_ADH0 = 02h ;Bit 1 actif: Adress Hold pour canal 0/4 d‚sactiv‚
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COMMAND_MEM2MEM = 01h ;Bit 0 actif: m‚moire/m‚moire, sinon m‚moire/p‚riph‚rie
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;Ecriture des bits du registre de requˆte ( 09, D2 )
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REQUEST_RESERVED = 0F8h ;R‚glage des bits r‚serv‚s =0
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REQUEST_SET = 04h ;D‚finir requˆte DMA
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REQUEST_CLR = 00h ;Supprimer requˆte DMA
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REQUEST_MSK = 03h ;Indiquer le canal dans les deux bits du bas
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;Ecriture des bits du registre de masquage de canal ( 0A, D4 )
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CHANNEL_RESERVED = 0F8h ;R‚glage des bits r‚serv‚s =0
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CHANNEL_SET = 04h ;Masquer/verrouiller canal DMA
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CHANNEL_CLR = 00h ;Lib‚rer canal DMA
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CHANNEL_MSK = 03h ;Indiquer le canal dans les deux bits du bas
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;Ecriture des bits du registre de mode (0B,D6)
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MODE_DEMAND = 00h ;Transf‚rer … la demande
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MODE_SINGLE = 40h ;Transf‚rer valeurs uniques
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MODE_BLOCK = 80h ;Transf‚rer en bloc
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MODE_CASCADE = 0C0h ;Transf‚rer en cascade
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MODE_DECREMENT = 20h ;D‚cr‚menter
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MODE_AUTOINIT = 10h ;Autoinitialisation vers la fin
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MODE_VERIFY = 00h ;V‚rifier
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MODE_WRITE = 04h ;Ecrire dans la m‚moire
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MODE_READ = 08h ;Lire depuis la m‚moire
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MODE_INVALID = 0Ch ;Incorrect
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MODE_CHANNELMSK = 03h ;Indiquer le canal dans les deux bits du bas
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;Ports du DMA esclave
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DmaStatusS dw 08h ;R SLAVE Registre d'‚tat
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DmaCommandS dw 08h ;W SLAVE Registre de commande
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DmaRequestS dw 09h ;W SLAVE Ex‚cuter requˆte DMA
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DmachMaskS dw 0ah ;W SLAVE Masquer canaux
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DmaModeS dw 0bh ;W SLAVE Mode de transfert
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DmaFlipFlopS dw 0ch ;W SLAVE Flipflop adr/compteur
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DmaTempS dw 0dh ;R SLAVE Reset du contr“leur
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DmaClearS dw 0dh ;R SLAVE Registre temporaire
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DmaMaskClrS dw 0eh ;R SLAVE Lib‚rer canaux
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DmaMaskS dw 0fh ;R SLAVE Masquer canaux
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;Ports du DMA esclave
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DmaStatusM dw 0D0h ;R MASTER Registre d'‚tat
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DmaCommandM dw 0D0h ;W MASTER Registre de commande
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DmaRequestM dw 0D2h ;W MASTER Ex‚cuter requˆte DMA
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DmaMaskM dw 0D4h ;W MASTER Masquer canaux
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DmaModeM dw 0D6h ;W MASTER Mode de transfert
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DmaFlipFlopM dw 0D8h ;W MASTER Flipflop adr/compteur
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DmaTempM dw 0DAh ;R MASTER Reset du contr“leur
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DmaClearM dw 0DAh ;R MASTER Registre temporaire
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DmaMaskClrM dw 0DCh ;R MASTER Lib‚rer canaux
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DmaMaskM2 dw 0DEh ;R MASTER Masquer canaux
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DmaAdress db 00h ;DMA address register 0
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db 002h ;DMA address register 1
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db 004h ;DMA address register 2
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db 006h ;DMA address register 3
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db 0c0h ;DMA address register 4
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db 0c4h ;DMA address register 5
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db 0c8h ;DMA address register 6
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db 0cch ;DMA address register 7
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DmaCount db 001h ;DMA count registers 0
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db 003h ;DMA count registers 1
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db 005h ;DMA count registers 2
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db 007h ;DMA count registers 3
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db 0c2h ;DMA count registers 4
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db 0c6h ;DMA count registers 5
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db 0cah ;DMA count registers 6
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db 0ceh ;DMA count registers 7
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DmaPage db 087h ;DMA page registers 0
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db 083h ;DMA page registers 1
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db 081h ;DMA page registers 2
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db 082h ;DMA page registers 3
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db 08fh ;DMA page registers 4
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db 08bh ;DMA page registers 5
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db 089h ;DMA page registers 6
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db 08ah ;DMA page registers 7
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;verouille le canal AL
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DisableDma:
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push ax dx
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cmp al, 4
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jae MasterDisableDma
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mov dx, DmaMaskS
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or al, 00000100b
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out dx, al
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jmp EndDisableDma
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MasterDisableDma:
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mov dx, DmaMaskS
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and al, 00000011b
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or al, 00000100b
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out dx, al
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EndDisableDma:
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pop dx ax
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ret
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;déverouille le canal AL
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EnableDma:
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push ax dx
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cmp al, 4
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jae MasterDisableDma
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mov dx, DmaMaskS
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out dx, al
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jmp EndEnableDma
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MasterEnableDma:
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mov dx, DmaMaskS
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and al, 00000011b
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out dx, al
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EndEnableDma:
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pop dx ax
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ret
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;Efface le FlipFlop canal AL
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ClrDmaFlipFlop:
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push ax dx
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cmp al, 4
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jae MasterClrFlipFlopDma
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mov dx,DmaFlipFlopS
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xor ax, ax
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out dx, al
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jmp EndClrFlipFlopDma
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MasterClrFlipFlopDma:
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mov dx,DmaFlipFlopM
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xor ax, ax
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out dx, al
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EndClrFlipFlopDma:
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pop dx ax
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ret
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;Met le mode du canal al à ah
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SetDmaMode:
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push ax dx
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cmp al, 4
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jae MasterSetDmaMode
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mov dx,DmaModeS
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or al, ah
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out dx, al
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jmp EndSetDmaMode
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MasterSetDmaMode:
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mov dx,DmaModeM
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and al, 00000011b
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or al, ah
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out dx, al
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EndSetDmaMode:
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pop dx ax
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ret
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;Met le page du canal al a ah
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SetDmaPage:
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push ax bx dx si
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cmp al, 4
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jae MasterSetDmaPage
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mov si, offset DmaPage
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xor dh, dh
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xor bh, bh
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mov bl, al
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mov dl, cs:[si+bx]
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xchg al, ah
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out dx, al
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jmp EndSetDmaPage
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MasterSetDmaPage:
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EndSetDmaPage:
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pop si dx bx ax
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ret
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;Met l'adresse du canal al a DS:BX
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SetDmaAdress:
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push ax bx cx dx si
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push ax
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mov ax, ds
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and ax, 0000111111111111b
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shl ax,4
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add bx, ax
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mov ax, ds
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and ax, 1111000000000000b
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shr ax, 4
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mov cx,ax
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pop ax
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push ax
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add ax,cx
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call SetDmaPage
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pop ax
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call ClrDmaFlipFlop
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mov si, offset DmaAdress
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xor dh, dh
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push bx
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xor bh, bh
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mov bl, al
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mov dl, byte ptr cs:[si+bx]
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pop bx
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cmp al, 4
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jae MasterSetDmaAddress
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mov al, bh
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out dx, al
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mov al, bl
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out dx, al
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jmp EndSetDmaAddress
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MasterSetDmaAddress:
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mov al, bh
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out dx, al
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call ClrDmaFlipFlop
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mov al, bl
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out dx, al
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EndSetDmaAddress:
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pop si dx cx bx ax
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ret
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;Spécifie au controleur DMA le nombre d'octets à transférer dans CX
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SetDmaCount:
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push ax bx dx si
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call ClrDmaFlipFlop
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mov si, offset DmaCount
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xor dh, dh
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xor bh, bh
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mov bl, al
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mov dl, byte ptr cs:[si+bx]
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cmp al, 4
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jae MasterSetDmaCount
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mov al, ch
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out dx, al
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mov al, cl
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out dx, al
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jmp EndSetDmaCount
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MasterSetDmaCount:
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mov al, ch
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out dx, al
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call ClrDmaFlipFlop
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mov al, cl
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out dx, al
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EndSetDmaCount:
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pop si dx bx ax
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ret
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@ -1,261 +0,0 @@
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.model tiny
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.486
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smart
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.code
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org 0h
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include ..\include\mem.h
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start:
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jmp tsr
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offsets dd 0
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db 'KEYBOARD'
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tsr:
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pushf
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db 2eh,0ffh,1eh
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dw offsets
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cli
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cmp cs:isstate,1
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je endofforce
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mov cs:isstate,1
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mov cs:eaxr,eax
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in al,60h
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cmp al,68
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je F10
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cmp al,87
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je F11
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cmp al,88
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je F12
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endof:
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mov cs:isstate,0
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mov eax,cs:eaxr
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endofforce:
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sti
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iret
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isstate db 0
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infos db 40 dup (0)
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feax dd 0
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F10:
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push cs
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pop ds
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mov si,offset com
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mov ah,5
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int 49h
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pop ax
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pop ax
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pop ax
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push gs
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push gs
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push gs
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pop ds
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pop es
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pop fs
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push gs
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push size exe
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sti
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mov cs:[isstate],0
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retf
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com db 'COMMANDE.CE',0
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F11:
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push ax di es
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push cs
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pop es
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mov di,offset infos
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mov ah,34
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int 47h
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mov al,cs:[di+7]
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inc al
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cmp al,9
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jbe notabove
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mov al,0
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notabove:
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mov ah,0
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int 47h
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pop es di ax
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jmp endof
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f12:
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pushad
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pushf
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push ds
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mov cs:[eaxr],eax
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mov cs:[ebxr],ebx
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mov cs:[ecxr],ecx
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mov cs:[edxr],edx
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mov cs:[esir],esi
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mov cs:[edir],edi
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mov cs:[espr],esp
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mov cs:[ebpr],ebp
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mov cs:[csr],cs
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mov cs:[dsr],ds
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mov cs:[esr],es
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mov cs:[fsr],fs
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mov cs:[gsr],gs
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mov cs:[ssr],ss
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push cs
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pop ds
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mov si,offset sep
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call Showstr
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mov si,offset reg
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mov di,offset regdata
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mov bx,7
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showregs:
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cmp byte ptr cs:[si+6],":"
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jne endshowregs
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call Showstr
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cmp byte ptr cs:[si+4]," "
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je segsss
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mov edx,cs:[di]
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mov cx,32
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call Showhex
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add di,4
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jmp showmax
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segsss:
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mov dx,cs:[di]
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mov cx,16
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call Showhex
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add di,2
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showmax:
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add si,9
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mov bp,dx
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push si
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mov si,offset beginds
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call showstr
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mov si,bp
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mov cx,8
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mov al,0
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letshow:
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mov dl,ds:[si]
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inc si
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call showhex
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inc al
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cmp al,10
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jb letshow
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mov si,offset ende
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call showstr
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mov si,offset begines
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call showstr
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mov si,bp
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mov cx,8
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mov al,0
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letshow2:
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mov dl,es:[si]
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inc si
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call showhex
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inc al
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cmp al,10
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jb letshow2
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mov si,offset ende
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call showstr
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pop si
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jmp showregs
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endshowregs:
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mov si,offset sep
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call Showstr
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xor ax,ax
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int 16h
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pop ds
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popf
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popad
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jmp endof
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begines db ' es[',0
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beginds db ' ds[',0
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ende db '] ',0
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|
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;==============================Affiche le nombre nb hexa en EDX de taille CX et couleur BL==============
|
||||
ShowHex:
|
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push ax bx cx edx si di
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mov di,cx
|
||||
sub cx,32
|
||||
neg cx
|
||||
shl edx,cl
|
||||
shr di,2
|
||||
mov ah,09h
|
||||
and bx,1111b
|
||||
Hexaize:
|
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rol edx,4
|
||||
mov si,dx
|
||||
and si,1111b
|
||||
mov al,[si+offset tab]
|
||||
push cx
|
||||
mov cx,1
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||||
cmp al,32
|
||||
jb control2
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||||
mov ah,09h
|
||||
int 10h
|
||||
control2:
|
||||
mov ah,0Eh
|
||||
int 10h
|
||||
pop cx
|
||||
dec di
|
||||
jnz Hexaize
|
||||
pop di si edx cx bx ax
|
||||
ret
|
||||
Tab db '0123456789ABCDEF'
|
||||
|
||||
;==============================Affiche une chaine DS:SI de couleur BL==============
|
||||
showstr:
|
||||
push ax bx cx si
|
||||
mov cx,1
|
||||
again:
|
||||
lodsb
|
||||
or al,al
|
||||
jz fin
|
||||
and bx,0111b
|
||||
cmp al,32
|
||||
jb control
|
||||
mov ah,09h
|
||||
int 10h
|
||||
control:
|
||||
mov ah,0Eh
|
||||
int 10h
|
||||
jmp again
|
||||
fin:
|
||||
pop si cx bx ax
|
||||
ret
|
||||
|
||||
|
||||
;================================================
|
||||
;Routine de débogage
|
||||
;================================================
|
||||
regdata:
|
||||
eaxr dd 0
|
||||
ebxr dd 0
|
||||
ecxr dd 0
|
||||
edxr dd 0
|
||||
esir dd 0
|
||||
edir dd 0
|
||||
espr dd 0
|
||||
ebpr dd 0
|
||||
csr dw 0
|
||||
dsr dw 0
|
||||
esr dw 0
|
||||
fsr dw 0
|
||||
gsr dw 0
|
||||
ssr dw 0
|
||||
|
||||
reg db 0Dh,0Ah,"eax : ",0
|
||||
db 0Dh,0Ah,"ebx : ",0
|
||||
db 0Dh,0Ah,"ecx : ",0
|
||||
db 0Dh,0Ah,"edx : ",0
|
||||
db 0Dh,0Ah,"esi : ",0
|
||||
db 0Dh,0Ah,"edi : ",0
|
||||
db 0Dh,0Ah,"esp : ",0
|
||||
db 0Dh,0Ah,"ebp : ",0
|
||||
db 0Dh,0Ah,"cs : ",0
|
||||
db 0Dh,0Ah,"ds : ",0
|
||||
db 0Dh,0Ah,"es : ",0
|
||||
db 0Dh,0Ah,"fs : ",0
|
||||
db 0Dh,0Ah,"gs : ",0
|
||||
db 0Dh,0Ah,"ss : ",0
|
||||
|
||||
sep db 0Ah,0Dh,'********************',0Ah,0Dh,0
|
||||
|
||||
end start
|
|
@ -1,81 +0,0 @@
|
|||
.model tiny
|
||||
.486
|
||||
smart
|
||||
.code
|
||||
|
||||
org 0h
|
||||
|
||||
start:
|
||||
|
||||
jmp tsr
|
||||
offsets dd 0
|
||||
db 'HOURS'
|
||||
tsr:
|
||||
pushf
|
||||
db 2eh,0ffh,1eh
|
||||
dw offsets
|
||||
cli
|
||||
pusha
|
||||
push ds es
|
||||
push cs
|
||||
push cs
|
||||
pop ds
|
||||
pop es
|
||||
mov ah,22h
|
||||
mov di,offset infos
|
||||
int 47h
|
||||
mov bl,[infos+1]
|
||||
xor bh,bh
|
||||
sub bl,8
|
||||
mov di,bx
|
||||
shl di,1
|
||||
mov dx,71h
|
||||
xor eax,eax
|
||||
mov cx,0B800h
|
||||
mov es,cx
|
||||
mov cl,4
|
||||
mov bp,8
|
||||
show:
|
||||
dec dx
|
||||
mov al,cl
|
||||
out dx,al
|
||||
inc dx
|
||||
in al,dx
|
||||
call showbcd
|
||||
cmp cl,0
|
||||
je finic
|
||||
mov byte ptr es:[di],':'
|
||||
add di,2
|
||||
sub cl,2
|
||||
jmp show
|
||||
finic:
|
||||
pop es ds
|
||||
popa
|
||||
sti
|
||||
iret
|
||||
|
||||
|
||||
;==============================Affiche le nombre nb hexa en EDX==============
|
||||
Showbcd:
|
||||
push ax bx cx edx
|
||||
mov edx,eax
|
||||
mov cx,bp
|
||||
sub cx,32
|
||||
neg cx
|
||||
shl edx,cl
|
||||
mov ax,bp
|
||||
shr ax,2
|
||||
bcdaize:
|
||||
rol edx,4
|
||||
mov bx,dx
|
||||
and bx,0fh
|
||||
add bl,'0'
|
||||
mov es:[di],bl
|
||||
add di,2
|
||||
dec al
|
||||
jnz bcdaize
|
||||
pop edx cx bx ax
|
||||
ret
|
||||
infos db 40 dup (0)
|
||||
|
||||
end start
|
|
@ -1,32 +0,0 @@
|
|||
.model tiny
|
||||
.486
|
||||
smart
|
||||
.code
|
||||
|
||||
org 0h
|
||||
|
||||
start:
|
||||
|
||||
jmp tsr
|
||||
offsets dd 0
|
||||
db 'TIMER'
|
||||
tsr:
|
||||
pushf
|
||||
db 2eh,0ffh,1eh
|
||||
dw offsets
|
||||
cli
|
||||
push ax bx es
|
||||
mov bx,cs:compteur
|
||||
inc bx
|
||||
and bx,11b
|
||||
mov cs:compteur,bx
|
||||
mov bx,cs:[offset fig+bx]
|
||||
mov ax,0B800h
|
||||
mov es,ax
|
||||
mov es:[0],bl
|
||||
pop es bx ax
|
||||
sti
|
||||
iret
|
||||
compteur dw 0
|
||||
fig db 'Ä\³/'
|
||||
end start
|
699
noyau/port.asm
699
noyau/port.asm
|
@ -1,699 +0,0 @@
|
|||
.model tiny
|
||||
.486
|
||||
smart
|
||||
.code
|
||||
org 0h
|
||||
start:
|
||||
jmp tsr
|
||||
drv db 'LPT ',0
|
||||
Tsr:
|
||||
cli
|
||||
cmp ax,1234h
|
||||
jne nomore
|
||||
mov ax,4321h
|
||||
jmp itsok
|
||||
nomore:
|
||||
push bx ax
|
||||
mov ah,4
|
||||
mov bh,1
|
||||
int 50h
|
||||
mov bl,al
|
||||
pop ax
|
||||
cmp byte ptr cs:isact,1
|
||||
je nottest
|
||||
mov cs:isact,1
|
||||
cmp bl,80h
|
||||
jae react
|
||||
mov bl,ah
|
||||
xor bh,bh
|
||||
shl bx,1
|
||||
mov bx,cs:[bx].tables
|
||||
mov cs:current,bx
|
||||
pop bx
|
||||
call cs:current
|
||||
itsok:
|
||||
jnc noerror
|
||||
push bp
|
||||
mov bp,sp
|
||||
or byte ptr [bp+6],1b
|
||||
pop bp
|
||||
mov ax,cs
|
||||
shl eax,16
|
||||
mov ax,cs:current
|
||||
jmp endofint
|
||||
noerror:
|
||||
push bp
|
||||
mov bp,sp
|
||||
and byte ptr [bp+6],0FEh
|
||||
pop bp
|
||||
endofint:
|
||||
mov cs:isact,0
|
||||
sti
|
||||
iret
|
||||
nottest:
|
||||
pop bx
|
||||
jmp endofint
|
||||
current dw 0
|
||||
tables dw getlptin
|
||||
dw getlptout
|
||||
dw getlptinout
|
||||
dw setlptin
|
||||
dw setlptout
|
||||
dw setlptinout
|
||||
dw getlpt
|
||||
dw getfirstlpt
|
||||
dw setemettor
|
||||
dw setreceptor
|
||||
dw settimeout
|
||||
dw gettimeout
|
||||
dw receivelpt
|
||||
dw sendlpt
|
||||
dw receivelptblock
|
||||
dw sendlptblock
|
||||
dw receivecommand
|
||||
dw sendcommand
|
||||
|
||||
react:
|
||||
push ds es
|
||||
mov cs:isact,1
|
||||
pushad
|
||||
push cs
|
||||
pop ds
|
||||
push cs
|
||||
pop es
|
||||
cmp byte ptr never,1
|
||||
je oknever
|
||||
mov bl,[drv+3]
|
||||
sub bl,'0'
|
||||
xor bh,bh
|
||||
call getlpt
|
||||
dec bl
|
||||
shl bl,1
|
||||
mov al,7
|
||||
sub al,bl
|
||||
mov ah,40
|
||||
mov di,offset video
|
||||
int 47h
|
||||
push ax
|
||||
mov ah,01h
|
||||
int 50h
|
||||
mov ah,21
|
||||
mov cl,4
|
||||
int 47h
|
||||
sti
|
||||
mov al,0111b
|
||||
call setlptout
|
||||
call setreceptor
|
||||
call initlpt
|
||||
jc errorie
|
||||
mov cx,0
|
||||
mov ah,20
|
||||
mov bx,1012h
|
||||
mov si,offset initok
|
||||
int 47h
|
||||
cmp byte ptr always,1
|
||||
je yes
|
||||
mov ah,20
|
||||
mov bx,1010h
|
||||
mov si,offset mdd
|
||||
int 47h
|
||||
mov ah,13
|
||||
mov si,offset drv
|
||||
int 47h
|
||||
mov ah,6
|
||||
int 47h
|
||||
mov ah,20
|
||||
mov bx,1011h
|
||||
mov si,offset msg
|
||||
int 47h
|
||||
waitkey:
|
||||
mov ax,0
|
||||
int 16h
|
||||
cmp al,'n'
|
||||
je no
|
||||
cmp al,'N'
|
||||
je no
|
||||
cmp al,'Y'
|
||||
je yes
|
||||
cmp al,'y'
|
||||
je yes
|
||||
cmp al,'e'
|
||||
je nev
|
||||
cmp al,'E'
|
||||
je nev
|
||||
cmp al,'a'
|
||||
je alw
|
||||
cmp al,'A'
|
||||
je alw
|
||||
jmp waitkey
|
||||
yes:
|
||||
call receivecommand
|
||||
jc errortimeout
|
||||
no:
|
||||
mov al,0111b
|
||||
call setlptout
|
||||
cli
|
||||
mov ah,41
|
||||
mov si,offset video
|
||||
int 47h
|
||||
pop ax
|
||||
mov ah,00h
|
||||
int 50h
|
||||
mov ah,09h
|
||||
int 50h
|
||||
oknever:
|
||||
popad
|
||||
pop es ds
|
||||
mov cs:isact,0
|
||||
pop bx
|
||||
jmp endofint
|
||||
errorie:
|
||||
mov si,offset inits
|
||||
jmp show
|
||||
errortimeout:
|
||||
mov si,offset timeouts
|
||||
show:
|
||||
mov ah,20
|
||||
mov bx,1012h
|
||||
int 47h
|
||||
mov ax,0
|
||||
int 16h
|
||||
jmp no
|
||||
nev:
|
||||
mov byte ptr never,1
|
||||
jmp no
|
||||
alw:
|
||||
mov byte ptr always,1
|
||||
jmp yes
|
||||
initok db 'Initialisation is realised !',0
|
||||
inits db 'Error on initialisation',0
|
||||
timeouts db 'Connection lost or timeout complete !!',0
|
||||
mdd db 'Connection demand on ',0
|
||||
msg db 'Accept connection ? (Y)es (N)o n(E)ver (A)lways',0
|
||||
isact db 0
|
||||
always db 0
|
||||
never db 0
|
||||
|
||||
;envois une commande al
|
||||
sendcommand:
|
||||
push ax bx cx di
|
||||
mov bl,al
|
||||
xor bh,bh
|
||||
shl bx,1
|
||||
add bx,offset cmde
|
||||
call cs:[bx]
|
||||
pop di cx bx ax
|
||||
ret
|
||||
cmde dw nothing
|
||||
dw getram
|
||||
|
||||
;recupŠre la ram en ds:si de cx distant caractŠres en es:di local
|
||||
getram:
|
||||
push ax bx cx ds
|
||||
mov bx,offset command
|
||||
mov cs:[bx+2],ds
|
||||
mov cs:[bx],si
|
||||
mov cs:[bx+4],cx
|
||||
push cs
|
||||
pop ds
|
||||
mov si,bx
|
||||
mov cx,6
|
||||
call sendlptblock
|
||||
jc endofget
|
||||
call receivelptblock
|
||||
endofget:
|
||||
pop ds cx bx ax
|
||||
ret
|
||||
|
||||
;Re‡ois une commande et l'execute
|
||||
Receivecommand:
|
||||
push ax bx cx di ds es
|
||||
push cs
|
||||
pop es
|
||||
push cs
|
||||
pop ds
|
||||
mov di,offset command
|
||||
call receivelptblock
|
||||
jc endofno
|
||||
mov bl,al
|
||||
xor bh,bh
|
||||
shl bx,1
|
||||
add bx,offset cmd
|
||||
call cs:[bx]
|
||||
clc
|
||||
endofno:
|
||||
pop es ds di cx bx ax
|
||||
ret
|
||||
|
||||
command db 25 dup (0)
|
||||
cmd dw nothings
|
||||
dw sendram
|
||||
dw receiveram
|
||||
dw sendreg
|
||||
dw receivereg
|
||||
dw sendport
|
||||
dw receiveport
|
||||
dw letexecute
|
||||
nothings:
|
||||
ret
|
||||
|
||||
letexecute:
|
||||
push ds es fs gs
|
||||
pushad
|
||||
push cs
|
||||
push offset suite
|
||||
mov ax,es:[di+2]
|
||||
mov ds,ax
|
||||
mov es,ax
|
||||
mov fs,ax
|
||||
mov gs,ax
|
||||
push ax
|
||||
mov ax,es:[di]
|
||||
push ax
|
||||
DB 0CBh
|
||||
suite:
|
||||
popad
|
||||
pop gs fs es ds
|
||||
ret
|
||||
|
||||
Sendram:
|
||||
push ax cx si ds
|
||||
mov si,es:[di]
|
||||
mov ax,es:[di+2]
|
||||
mov ds,ax
|
||||
mov cx,es:[di+4]
|
||||
call sendlptblock
|
||||
pop ds si cx ax
|
||||
ret
|
||||
|
||||
receiveram:
|
||||
sendreg:
|
||||
receivereg:
|
||||
|
||||
sendport:
|
||||
push ax cx dx si
|
||||
mov dx,es:[di]
|
||||
in ax,dx
|
||||
mov cx,2
|
||||
mov si,offset tempblock
|
||||
mov ds:[si],ax
|
||||
call sendlptblock
|
||||
pop si dx cx ax
|
||||
ret
|
||||
|
||||
receiveport:
|
||||
push ax dx
|
||||
mov dx,es:[di]
|
||||
mov ax,es:[di+2]
|
||||
out dx,ax
|
||||
pop dx ax
|
||||
ret
|
||||
|
||||
tempblock db 25 dup (0)
|
||||
|
||||
;---------Segment Adress-----------
|
||||
Bios equ 040h
|
||||
;---------Offset Adress------------
|
||||
Lptadr equ 008h
|
||||
Timer equ 06Ch
|
||||
;---------Constant-----------------
|
||||
onesec equ 18
|
||||
tensec equ 182
|
||||
Ack equ 00
|
||||
Nack equ 0FFh
|
||||
maxtry equ 10
|
||||
|
||||
Initlpt:
|
||||
push ax ecx
|
||||
call StartTimer
|
||||
cmp cs:emettor,0
|
||||
je receptinit
|
||||
mov al,10000b
|
||||
call SetLptOut
|
||||
waitinit1:
|
||||
call EndTimer
|
||||
cmp cx,cs:timeout
|
||||
ja errorinit
|
||||
call getlptIn
|
||||
cmp al,00000b
|
||||
jnz waitinit1
|
||||
jmp endinit
|
||||
receptinit:
|
||||
call EndTimer
|
||||
cmp cx,cs:timeout
|
||||
ja errorinit
|
||||
call getlptIn
|
||||
cmp al,00000b
|
||||
jnz receptinit
|
||||
mov al,10000b
|
||||
call SetLptOut
|
||||
endinit:
|
||||
clc
|
||||
pop ecx ax
|
||||
ret
|
||||
errorinit:
|
||||
stc
|
||||
pop ecx ax
|
||||
ret
|
||||
|
||||
|
||||
;-Envoie DL (dh) JNE si problŠme JNC error timeout
|
||||
Sendlpt:
|
||||
push ax bx ecx
|
||||
call StartTimer
|
||||
mov dh,dl
|
||||
mov al,dl
|
||||
and al,0Fh
|
||||
call SetLptOut
|
||||
waitSend:
|
||||
call EndTimer
|
||||
cmp cx,cs:timeout
|
||||
ja errorsend
|
||||
call getlptIn
|
||||
bt ax,4
|
||||
jnc waitsend
|
||||
and al,0Fh
|
||||
mov bl,al
|
||||
call StartTimer ;/////
|
||||
mov al,dh
|
||||
shr al,4
|
||||
or al,10000b
|
||||
call SetLptOut
|
||||
waitSend2:
|
||||
call EndTimer
|
||||
cmp cx,cs:timeout
|
||||
ja errorsend
|
||||
call getlptIn
|
||||
bt ax,4
|
||||
jc waitsend2
|
||||
and al,0Fh
|
||||
shl al,4
|
||||
add bl,al
|
||||
cmp dl,bl
|
||||
pop ecx bx ax
|
||||
clc
|
||||
ret
|
||||
errorsend:
|
||||
pop ecx bx ax
|
||||
stc
|
||||
ret
|
||||
|
||||
|
||||
;-Re‡ois DL (dh)
|
||||
Receivelpt:
|
||||
push ax bx ecx
|
||||
call StartTimer
|
||||
waitreceive:
|
||||
call EndTimer
|
||||
cmp cx,cs:timeout
|
||||
ja errorreceive
|
||||
call getlptIn
|
||||
bt ax,4
|
||||
jnc waitreceive
|
||||
and al,0Fh
|
||||
mov dl,al
|
||||
call SetLptOut
|
||||
call StartTimer ;/////
|
||||
waitreceive2:
|
||||
call EndTimer
|
||||
cmp cx,cs:timeout
|
||||
ja errorreceive
|
||||
call getlptIn
|
||||
bt ax,4
|
||||
jc waitreceive2
|
||||
and al,0Fh
|
||||
mov dh,al
|
||||
shl dh,4
|
||||
add dl,dh
|
||||
or al,10000b
|
||||
call SetlptOut
|
||||
clc
|
||||
pop ecx bx ax
|
||||
ret
|
||||
errorreceive:
|
||||
stc
|
||||
pop ecx bx ax
|
||||
ret
|
||||
|
||||
;-AX
|
||||
SetTimeout:
|
||||
mov cs:Timeout,dx
|
||||
ret
|
||||
|
||||
timeout dw tensec
|
||||
|
||||
getTimeout:
|
||||
mov dx,cs:Timeout
|
||||
ret
|
||||
|
||||
SetEmettor:
|
||||
mov cs:Emettor,1
|
||||
ret
|
||||
|
||||
Emettor db 0
|
||||
|
||||
SetReceptor:
|
||||
mov cs:Emettor,0
|
||||
ret
|
||||
|
||||
;->bx Nøport->Adresse dx
|
||||
GetLpt:
|
||||
push ax bx ds
|
||||
mov ax,bios
|
||||
mov ds,ax
|
||||
dec bx
|
||||
shl bx,1
|
||||
mov dx,ds:[Lptadr+bx]
|
||||
mov cs:lpt,dx
|
||||
pop ds bx ax
|
||||
ret
|
||||
lpt dw 0
|
||||
|
||||
;->bx Nøport->Adresse dx
|
||||
GetFirstLpt:
|
||||
push ax ds
|
||||
mov ax,bios
|
||||
mov ds,ax
|
||||
xor bx,bx
|
||||
findlpt:
|
||||
mov dx,ds:[Lptadr+bx]
|
||||
cmp dx,0
|
||||
jne oklpt
|
||||
add bx,2
|
||||
cmp bx,4
|
||||
jbe findlpt
|
||||
oklpt:
|
||||
mov cs:lpt,dx
|
||||
pop ds ax
|
||||
ret
|
||||
|
||||
;->
|
||||
StartTimer:
|
||||
push ax ecx ds
|
||||
mov ax,Bios
|
||||
mov ds,ax
|
||||
mov ecx,ds:[timer]
|
||||
mov cs:times,ecx
|
||||
pop ds ecx ax
|
||||
ret
|
||||
times dd 0
|
||||
|
||||
;->Ecx time elapsed
|
||||
EndTimer:
|
||||
push ax ds
|
||||
mov ax,Bios
|
||||
mov ds,ax
|
||||
mov ecx,ds:[timer]
|
||||
sub ecx,cs:times
|
||||
pop ds ax
|
||||
ret
|
||||
|
||||
;->
|
||||
GetLptOut:
|
||||
push dx
|
||||
mov dx,cs:lpt
|
||||
in al,dx
|
||||
pop dx
|
||||
ret
|
||||
|
||||
GetLptIn:
|
||||
push dx
|
||||
mov dx,cs:lpt
|
||||
inc dx
|
||||
in al,dx
|
||||
shr al,3
|
||||
pop dx
|
||||
ret
|
||||
|
||||
GetLptInOut:
|
||||
push dx
|
||||
mov dx,cs:lpt
|
||||
add dx,2
|
||||
in al,dx
|
||||
and al,11111b
|
||||
pop dx
|
||||
ret
|
||||
|
||||
SetLptOut:
|
||||
push dx
|
||||
mov dx,cs:lpt
|
||||
out dx,al
|
||||
pop dx
|
||||
ret
|
||||
|
||||
SetLptIn:
|
||||
push dx
|
||||
mov dx,cs:lpt
|
||||
inc dx
|
||||
out dx,al
|
||||
pop dx
|
||||
ret
|
||||
|
||||
SetLptInOut:
|
||||
push dx
|
||||
mov dx,cs:lpt
|
||||
add dx,2
|
||||
out dx,al
|
||||
pop dx
|
||||
ret
|
||||
|
||||
;R‚alise un checksum 8 bits sur donn‚es DS:SI, nb CX r‚sultat dans dl
|
||||
Checksum8:
|
||||
push cx si
|
||||
check:
|
||||
add dl,[si]
|
||||
inc si
|
||||
dec cx
|
||||
jnz check
|
||||
pop si cx
|
||||
ret
|
||||
|
||||
;DS:SI pointeur sur donn‚es, CX nombres de donn‚es, AL token
|
||||
SendLptBlock:
|
||||
push ax bx cx edx si edi bp
|
||||
mov dx,cx
|
||||
shl edx,16
|
||||
mov dh,al
|
||||
call checksum8
|
||||
mov edi,edx
|
||||
xor dh,dh
|
||||
mov bp,dx
|
||||
mov ah,maxtry
|
||||
retry:
|
||||
mov bl,4
|
||||
xor al,al
|
||||
header:
|
||||
mov dx,di
|
||||
call sendlpt
|
||||
setne al
|
||||
jc outt
|
||||
rol edi,8
|
||||
dec bl
|
||||
jnz header
|
||||
cmp al,0
|
||||
jne notgood
|
||||
mov dl,ACK
|
||||
jmp allsend
|
||||
notgood:
|
||||
mov dl,NACK
|
||||
allsend:
|
||||
call sendlpt
|
||||
setne al
|
||||
jc outt
|
||||
cmp al,0
|
||||
je okheader
|
||||
dec ah
|
||||
jnz retry
|
||||
jmp outt
|
||||
okheader:
|
||||
cmp cx,0
|
||||
je endoftrans
|
||||
mov di,maxtry
|
||||
retry2:
|
||||
mov bx,cx
|
||||
xor ax,ax
|
||||
body:
|
||||
mov dl,[si+bx-1]
|
||||
add ah,dl
|
||||
call sendlpt
|
||||
setne al
|
||||
jc outt
|
||||
dec bx
|
||||
jnz body
|
||||
cmp al,0
|
||||
jne notgood2
|
||||
mov dl,ACK
|
||||
jmp allisend
|
||||
notgood2:
|
||||
mov dl,NACK
|
||||
allisend:
|
||||
call sendlpt
|
||||
setne al
|
||||
jc outt
|
||||
cmp al,0
|
||||
je endoftrans
|
||||
dec di
|
||||
jnz retry2
|
||||
outt:
|
||||
stc
|
||||
endoftrans:
|
||||
mov al,ah
|
||||
xor ah,ah
|
||||
cmp bp,ax
|
||||
pop bp edi si edx cx bx ax
|
||||
ret
|
||||
|
||||
;Receptionne en es:di les donn‚es au nombres de CX token AL (AH) (ECX)
|
||||
receiveLptBlock:
|
||||
push bx dx si bp
|
||||
mov ah,maxtry
|
||||
retrye:
|
||||
mov bl,4
|
||||
headere:
|
||||
call receivelpt
|
||||
jc outte
|
||||
mov cl,dl
|
||||
rol ecx,8
|
||||
dec bl
|
||||
jnz headere
|
||||
call receivelpt
|
||||
jc outte
|
||||
cmp dl,ACK
|
||||
je okheadere
|
||||
dec ah
|
||||
jnz retrye
|
||||
jmp outte
|
||||
okheadere:
|
||||
mov al,ch
|
||||
xor ch,ch
|
||||
mov bp,cx
|
||||
rol ecx,16
|
||||
cmp cx,0
|
||||
je endoftranse
|
||||
mov si,maxtry
|
||||
retrye2:
|
||||
mov bx,cx
|
||||
xor ah,ah
|
||||
bodye:
|
||||
call receivelpt
|
||||
jc outte
|
||||
mov es:[di+bx-1],dl
|
||||
add ah,dl
|
||||
dec bx
|
||||
jnz bodye
|
||||
call receivelpt
|
||||
jc outte
|
||||
cmp dl,ACK
|
||||
je endoftranse
|
||||
dec si
|
||||
jnz retrye2
|
||||
outte:
|
||||
stc
|
||||
endoftranse:
|
||||
mov bl,ah
|
||||
xor bh,bh
|
||||
cmp bp,bx
|
||||
pop bp si dx bx
|
||||
ret
|
||||
video db 0
|
||||
end start
|
Loading…
Reference in New Issue