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Terminal control/Dimensions: Difference between revisions
add task to aarch64 assembly raspberry pi
(add task to aarch64 assembly raspberry pi) |
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Determine the height and width of the terminal, and store this information into variables for subsequent use.
[[Terminal Control::task| ]]
=={{header|AArch64 Assembly}}==
{{works with|as|Raspberry Pi 3B version Buster 64 bits}}
<lang AArch64 Assembly>
/* ARM assembly AARCH64 Raspberry PI 3B */
/* program terminalSize64.s */
/*******************************************/
/* Constantes file */
/*******************************************/
/* for this file see task include a file in language AArch64 assembly*/
.include "../includeConstantesARM64.inc"
.equ TIOCGWINSZ, 0x5413
.equ IOCTL, 0x1D // Linux syscall
/*******************************************/
/* Structures */
/********************************************/
/* structure terminal size */
.struct 0
term_s_lines: // input modes
.struct term_s_lines + 2
term_s_cols: // output modes
.struct term_s_cols + 2
term_s_filler: // control modes
.struct term_s_filler + 12
term_fin:
/*******************************************/
/* Initialized data */
/*******************************************/
.data
szMessStartPgm: .asciz "Program start \n"
szMessEndPgm: .asciz "Program normal end.\n"
szMessResult: .asciz "Terminal lines : @ cols : @ \n"
szMessErreur: .asciz "\033[31mError IOCTL.\n"
szCarriageReturn: .asciz "\n"
/*******************************************/
/* UnInitialized data */
/*******************************************/
.bss
.align 4
sZoneConv: .skip 24
stTerminal: .skip term_fin // structure terminal
/*******************************************/
/* code section */
/*******************************************/
.text
.global main
main:
ldr x0,qAdrszMessStartPgm //display start message
bl affichageMess
/* read terminal dimensions */
mov x0,STDIN // input console
mov x1,TIOCGWINSZ // code IOCTL
ldr x2,qAdrstTerminal // structure address
mov x8,IOCTL // call system Linux
svc 0
cbnz x0,98f // error ?
ldr x2,qAdrstTerminal
ldrh w0,[x2,term_s_lines] // load two bytes
ldr x1,qAdrsZoneConv
bl conversion10 // and decimal conversion
ldr x0,qAdrszMessResult
bl strInsertAtChar // and insertion in message
mov x5,x0 // save address of new message
ldrh w0,[x2,term_s_cols] // load two bytes
ldr x1,qAdrsZoneConv
bl conversion10 // and decimal conversion
mov x0,x5 // restaur address of message
bl strInsertAtChar // and insertion in message
bl affichageMess
ldr x0,qAdrszMessEndPgm //display end message
bl affichageMess
b 100f
98: // error display
ldr x0,qAdrszMessErreur
bl affichageMess
mov x0,-1
100: //standard end of the program
mov x0,0 //return code
mov x8,EXIT //request to exit program
svc 0 //perform system call
qAdrszMessStartPgm: .quad szMessStartPgm
qAdrszMessEndPgm: .quad szMessEndPgm
qAdrszMessErreur: .quad szMessErreur
qAdrszCarriageReturn: .quad szCarriageReturn
qAdrstTerminal: .quad stTerminal
qAdrszMessResult: .quad szMessResult
qAdrsZoneConv: .quad sZoneConv
/********************************************************/
/* File Include fonctions */
/********************************************************/
/* for this file see task include a file in language AArch64 assembly */
.include "../includeARM64.inc"
</lang>
<pre>
Program start
Terminal lines : 24 cols : 80
Program normal end.
</pre>
=={{header|Applesoft BASIC}}==
<lang ApplesoftBasic>WIDTH = PEEK(33)
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