SDL v1.2 >> Assembly (x64)
Hello, world!
參考資訊：
1. docs
2. SDL-Assembly
main.s
.macro invoke func:req, args:vararg
.ifnb \args
argc = 0
.irp param, \args
.if argc == 0
mov \param, %rdi
.elseif argc == 1
mov \param, %rsi
.elseif argc == 2
mov \param, %rdx
.elseif argc == 3
mov \param, %rcx
.elseif argc == 4
mov \param, %rcx
.elseif argc == 5
mov \param, %rcx
.endif
argc = argc + 1
.endr
.endif
call \func
.endm
.equ SDL_INIT_VIDEO, 0x20
.equ SDL_HWSURFACE, 0X01
.text
.global main
main:
invoke SDL_Init, $SDL_INIT_VIDEO
invoke SDL_SetVideoMode, $320, $240, $16, $SDL_HWSURFACE
mov %rax, screen
invoke SDL_RWFromFile, $bmp_path, $bmp_mode
invoke SDL_LoadBMP_RW, %rax, $1
mov %rax, bmp
invoke SDL_UpperBlit, bmp, $0, screen, $0
invoke SDL_Flip, screen
invoke SDL_Delay, $3000
invoke SDL_FreeSurface, bmp
invoke SDL_Quit
mov $0, %rax
ret
.align
.text
bmp_path: .asciz "main.bmp"
bmp_mode: .asciz "rw"
.align
.data
screen: .quad 0
bmp: .quad 0
.end
編譯、執行
$ gcc main.s -o main -lSDL -no-pie $ ./main
