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No commits in common. "ca5b7af9b653e209e1fdcf1fbb538eca90c65249" and "4c3ffab97bd4884b902dcc845415bc32c16b93c6" have entirely different histories.
ca5b7af9b6
...
4c3ffab97b
2
.gitignore
vendored
2
.gitignore
vendored
@ -1 +1 @@
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.asm-lsp.toml
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build
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83
src/main.asm
83
src/main.asm
@ -1,36 +1,43 @@
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SYS_WRITE equ 1
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SYS_BRK equ 12
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SYS_EXIT equ 60
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STDOUT equ 1
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ESC_CHAR equ 27
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ASCII_ZERO equ 48
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section .bss
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heap_ptr resq 1 ; Changed 'resp' to 'resq'
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heap_ptr resp 1
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section .data
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hello: db ESC_CHAR, "[10;15Hhello suckers! :)", 10, 0
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test: db ESC_CHAR, "[20;25Hmore txt here", 10, 0
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to_s: db ESC_CHAR, "[", 0
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tt_s: db ";25Htest here", 10, 0
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clear: db ESC_CHAR, "[2J", 0
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section .text
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global _start
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unsigned_int_to_acii: ; takes value stored in rdi
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push rdx
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push r12
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push r13
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mov r12, rdi
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mov rax,SYS_BRK
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mov rdi,0
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syscall
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mov [heap_ptr], rax
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mov r13, 0
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mov rax, r12
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mov rcx, 10
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.count_loop:
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inc r13
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cmp rax, 10
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jl .loop_count_exit
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jl .loop_exit
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xor rdx, rdx
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div rcx
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push rdx
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@ -38,47 +45,42 @@ unsigned_int_to_acii: ; takes value stored in rdi
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.loop_count_exit:
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push rax
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mov rdi, [heap_ptr]
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add rdi, r13
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inc rdi
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mov rax, SYS_BRK
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syscall
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mov r14, rdi
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mov rdi, [heap_ptr]
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mov [heap_ptr], r14
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mov rcx, 0
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mov rdi [heap_ptr]
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mov rcx 0
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.store_loop: ; basicly for loop
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cmp rcx, r13
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cmp rcx, rdi
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jnl .loop_store_exit
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pop rax
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add rax, ASCII_ZERO
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mov rdx, rdi
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add rdx, rcx
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mov byte [rdx], al
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inc rcx
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mov rdx rdi
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add rdx rcx
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mov byte rdx, rax
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inc rcx
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jmp .store_loop
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.loop_store_exit:
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.loop_store_exit
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add rdi rcx
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mov byte rdi, 0
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mov rax, rdi
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add rdi, rcx
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mov byte [rdi], 0
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mov rdx, rcx
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pop r13
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pop r12
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ret; return pointer to string in rax and lenght in rdx
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print_str: ; takes pointer to string in rdi and retuns in rax
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push rsi
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push rdx
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mov rsi, rdi
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mov rdx, 0
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mov rdx, 0
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.count_loop:
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cmp byte [rsi+rdx], 0
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je .print
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@ -89,44 +91,25 @@ print_str: ; takes pointer to string in rdi and retuns in rax
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mov rax,SYS_WRITE
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mov rdi,STDOUT
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syscall
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pop rdx
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pop rsi
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ret
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print_at_pos: ; This function appears to be incomplete
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print_at_pos:
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_start:
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mov rdi,clear
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call print_str
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mov rdi,hello
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call print_str
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mov rdi,test
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call print_str
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mov rax, SYS_BRK
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mov rdi, 0
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syscall
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mov [heap_ptr], rax
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mov rdi, to_s
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call print_str
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mov rdi, 30
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call unsigned_int_to_acii
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mov rdi, rax
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call print_str
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mov rdi, tt_s
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call print_str
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mov rdi, 7888
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call unsigned_int_to_acii
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mov rdi, rax
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call print_str
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mov rax,SYS_EXIT
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mov rdi,0; return code
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syscall
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