PoliEcho/asm-game-of-life
PoliEcho/asm-game-of-life
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FINALY fix inicializing gameboard

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PoliEcho 2025-07-09 21:33:36 +02:00
parent 564a6b88c1
commit c5e404f1dd
3 changed files with 7 additions and 10 deletions
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8
src/drawing.asm
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@ -43,7 +43,7 @@ init_gameboard:
mov rsi, 0x20; set rsi to SPACE character mov rsi, 0x20; set rsi to SPACE character
mov rdx, [gameboard_size] mov rdx, [gameboard_size]
push rdx push rdx
add rdx, ESC_chars_compensation_Len+2; I dont know how this work but it works so i wont touch it add rdx, ESC_chars_compensation_Len; I dont know how this work but it works so i wont touch it
call memory_set call memory_set
@ -51,14 +51,10 @@ init_gameboard:
pop rdi pop rdi
add rdi, rdx; get pointer to last char on screen add rdi, rdx; get pointer to last char on screen
push rdi push rdi
add rdi, 9; I dont know how this work but it works so i wont touch it add rdi, ESC_chars_compensation_Len
push rdi
lea rsi, [reset] lea rsi, [reset]
call string_copy call string_copy
pop rax
mov byte [rax+resetLen], 0; I dont know how this work but it works so i wont touch it
pop rdi pop rdi
xor rax, rax xor rax, rax
mov ax, [term_cols] mov ax, [term_cols]

7
src/str.asm
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@ -88,7 +88,7 @@ memory_set:; takes destination in rdi, byte in sil and lenght in rdx
cmp rdx, 16 cmp rdx, 16
jnl .write_16_or_more_bytes jnl .write_16_or_more_bytes
mov cl, dl mov rcx, rdx
jmp .write_less_than_16_bytes jmp .write_less_than_16_bytes
.write_16_or_more_bytes: .write_16_or_more_bytes:
mov rax, rdi; move destination to rax mov rax, rdi; move destination to rax
@ -101,10 +101,11 @@ memory_set:; takes destination in rdi, byte in sil and lenght in rdx
mov cl, 16 mov cl, 16
sub cl, al; now offset to first higher 16 byte alligned address is stored in r8 sub cl, al; now offset to first higher 16 byte alligned address is stored in r8
movzx rcx, cl; remove ani posible garbage
mov rax, r11
.write_less_than_16_bytes: .write_less_than_16_bytes:
mov rax, r11
sub rdx, rcx; we will write these bytes now sub rdx, rcx; we will write these bytes now
rep stosb rep stosb

2
src/symbols.asm
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@ -9,4 +9,4 @@ TIOCGWINSZ equ 0x5413
ASCII_ZERO equ 48 ASCII_ZERO equ 48
ESC_CHAR equ 27 ESC_CHAR equ 27
ESC_chars_compensation_Len equ 13; i have to compensate for escape sequences that dont get printed why 11 exactly, I dont know ESC_chars_compensation_Len equ 9; i have to compensate for escape sequences that dont get printed why 11 exactly, I dont know