PoliEcho/asm-game-of-life
PoliEcho/asm-game-of-life
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base: PoliEcho:5c91ace69b308c19d832603948e4bf485a3e97f0
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PoliEcho:master
PoliEcho:v1.1
PoliEcho:v1.0
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compare: PoliEcho:57987228b0562792fb3e4f44c0ddafabe8740ee6
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PoliEcho:master
PoliEcho:v1.1
PoliEcho:v1.0

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5c91ace69b ... 57987228b0

2 changed files with 4 additions and 48 deletions
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4
src/drawing.asm
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@ -26,9 +26,9 @@ section .rodata
home_cursor: db ESC_CHAR, "[H", 0
statusbar: db ESC_CHAR, "[32;100m", "Use arrow keys to move cursor, enter to invert cell j/k to change simulation speed, p to simulation. Frame Delay multiplier:", 0
statusbar: db ESC_CHAR, "[32;100m", "Use arrow keys to move cursor, enter to invert cell j/k to change simulation speed, p to simulation. SPEED:", 0
statusbarLen: equ $-statusbar
START_STOP_pos: equ statusbarLen-42
START_STOP_pos: equ statusbarLen-25
start_str: db "START", 0

48
src/main.asm
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@ -19,9 +19,7 @@ section .bss
extern cursor_rows
extern cursor_cols
global running_in_tty
running_in_tty: RESB 1
section .rodata
extern resetLen
@ -29,8 +27,6 @@ section .rodata
hide_cursor: db ESC_CHAR, "[?25l", 0
show_cursor: db ESC_CHAR, "[?25h", 0
help_text: db "asm-game-of-life [args]",0xA,"-h display this help menu",0xA,"Controls:",0xA,"use arrow keys to move around",0xA,"ENTER to invert cell",0xA,"p to START/STOP simulation",0xA,"k to increase simulation speed",0xA,"j to decrese simulation speed",0xA, 0
section .text
extern print_str
extern unsigned_int_to_ascii
@ -62,50 +58,11 @@ _start:
; handle args
pop rcx; get argc (number of arguments)
pop rax; get rid of program name arugument
cmp rcx, 1
jle .no_arguments_provided
dec rcx
.handle_arg:
pop rax
mov word di, [rax]
cmp di, 0x682D; check if -h was passed
jne .next_arg
lea rdi, [help_text]
call print_str
jmp .exit_program
.next_arg:
dec rcx
test rcx, rcx
jnz .handle_arg
; TODO hanndle arguments
.no_arguments_provided:
pop rax; get rid of null termination of argv
; handle enviroment vars
.handle_env:
pop rax
test rax, rax; test if we reached end of envs
jz .no_envs
mov dword edi, [rax]
cmp edi, 0x4D524554; check for "TERM" inverted becose endiannes
jne .handle_env
mov qword rdi, [rax+5]; remove the TERM= part this should never segfault since there sould allwas be other data behind enviroment vars and i dont mind garbage
mov rsi, 0xffffffffff
and rdi, rsi
mov rsi, 0x78756e696c
cmp rdi, rsi; check for "linux"
jne .no_envs
mov byte [running_in_tty], 1
.no_envs:
call init_alloc
xor rax, rax
@ -147,7 +104,6 @@ _start:
lea rdi, [show_cursor]
call print_str
.exit_program:
mov rax, SYS_EXIT
mov rdi, 0 ; return code
syscall