76 lines
2.3 KiB
NASM
76 lines
2.3 KiB
NASM
# riscv assembly raspberry pico2 rp2350
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# program loop1.s
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# connexion putty com3
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/*********************************************/
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/* CONSTANTES */
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/********************************************/
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/* for this file see risc-v task include a file */
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.include "../../constantesRiscv.inc"
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/****************************************************/
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/* MACROS */
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/****************************************************/
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#.include "../ficmacrosriscv.inc" # for debugging only
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/*******************************************/
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/* INITIALED DATAS */
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/*******************************************/
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.data
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szMessStart: .asciz "Program riscv start.\r\n"
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szMessEnd: .asciz "\nProgram end OK.\r\n"
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szCariageReturn: .asciz "\r\n"
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szMessX: .asciz "X"
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.align 2
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/*******************************************/
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/* UNINITIALED DATA */
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/*******************************************/
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.bss
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.align 2
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sConvArea: .skip 24
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/********************************...-..--*****/
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/* SECTION CODE */
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/**********************************************/
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.text
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.global main
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main:
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call stdio_init_all # général init
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1: # start loop connexion
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li a0,0 # raz argument register
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call tud_cdc_n_connected # waiting for USB connection
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beqz a0,1b # return code = zero ?
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la a0,szMessStart # message address
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call writeString # display message
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li s0,0 # counter loop 1
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li s2,5 # maximun
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1:
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li s1,0 # counter loop 2
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2:
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la a0,szMessX
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call writeString # display "X"
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addi s1,s1,1 # increment indice
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ble s1,s0,2b # indice 2 <= indice 1 -> loop 2
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la a0,szCariageReturn # else dispay CariageReturn
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call writeString
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addi s0,s0,1 # increment indice 1
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blt s0,s2,1b # maxi ? no -> loop 1
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la a0,szMessEnd
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call writeString
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call getchar
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100: # final loop
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j 100b
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/************************************/
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/* file include Fonctions */
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/***********************************/
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/* for this file see risc-v task include a file */
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.include "../../includeFunctions.s"
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