Terminal control/Clear the screen: Difference between revisions
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(Add task to ARM assembly Raspberry pi) |
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Ada.Text_IO.Put(ASCII.ESC & "[2J"); |
Ada.Text_IO.Put(ASCII.ESC & "[2J"); |
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end CLS;</lang> |
end CLS;</lang> |
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=={{header|ARM Assembly}}== |
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{{works with|as|Raspberry Pi}} |
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<lang ARM Assembly> |
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/* ARM assembly Raspberry PI */ |
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/* program clearScreen.s */ |
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/* Constantes */ |
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.equ STDOUT, 1 @ Linux output console |
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.equ EXIT, 1 @ Linux syscall |
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.equ WRITE, 4 @ Linux syscall |
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.equ BUFFERSIZE, 100 |
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/* Initialized data */ |
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.data |
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szMessStartPgm: .asciz "Program start \n" |
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szMessEndPgm: .asciz "Program normal end.\n" |
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szClear: .asciz "\33[2J" @ console clear (id language C) |
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szClear1: .byte 0x1B |
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.byte 'c' @ other console clear |
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.byte 0 |
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szCarriageReturn: .asciz "\n" |
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/* UnInitialized data */ |
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.bss |
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/* code section */ |
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.text |
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.global main |
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main: |
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ldr r0,iAdrszMessStartPgm @ display start message |
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bl affichageMess |
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//ldr r0,iAdrszClear @ clear screen |
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ldr r0,iAdrszClear1 @ change for other clear screen |
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bl affichageMess |
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ldr r0,iAdrszMessEndPgm @ display end message |
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bl affichageMess |
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100: @ standard end of the program |
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mov r0, #0 @ return code |
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mov r7, #EXIT @ request to exit program |
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svc 0 @ perform system call |
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iAdrszMessStartPgm: .int szMessStartPgm |
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iAdrszMessEndPgm: .int szMessEndPgm |
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iAdrszClear: .int szClear |
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iAdrszClear1: .int szClear1 |
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iAdrszCarriageReturn: .int szCarriageReturn |
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/******************************************************************/ |
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/* display text with size calculation */ |
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/******************************************************************/ |
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/* r0 contains the address of the message */ |
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affichageMess: |
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push {r0,r1,r2,r7,lr} @ save registers |
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mov r2,#0 @ counter length */ |
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1: @ loop length calculation |
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ldrb r1,[r0,r2] @ read octet start position + index |
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cmp r1,#0 @ if 0 its over |
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addne r2,r2,#1 @ else add 1 in the length |
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bne 1b @ and loop |
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@ so here r2 contains the length of the message |
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mov r1,r0 @ address message in r1 |
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mov r0,#STDOUT @ code to write to the standard output Linux |
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mov r7, #WRITE @ code call system "write" |
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svc #0 @ call system |
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pop {r0,r1,r2,r7,lr} @ restaur registers |
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bx lr @ return |
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</lang> |
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=={{header|AutoHotkey}}== |
=={{header|AutoHotkey}}== |