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// ================================================================================================
// Read-only data
// ================================================================================================
#ifdef __APPLE__
.section __TEXT,__const
#else
.section .rodata
#endif
s_microshmup: .asciz "microshmup"
s_microshmup_error: .asciz "microshmup - error"
// ================================================================================================
// Mutable data
// ================================================================================================
#ifdef __APPLE__
.section __DATA,__bss
#else
.section .bss
#endif
.p2align 3
g_rnd: .zero 8 // SDL_Renderer *
g_wnd: .zero 8 // SDL_Window *
// ================================================================================================
// Code
// ================================================================================================
#ifdef __APPLE__
.section __TEXT,__text
#else
.section .text
#endif
#ifdef __APPLE__
# define SYM(name) _##name
#else
# define SYM(name) name
#endif
.macro LOADADDR reg, sym
#ifdef __APPLE__
adrp \reg, \sym\()@PAGE
add \reg, \reg, \sym\()@PAGEOFF
#else
adrp \reg, \sym
add \reg, \reg, :lo12:\sym
#endif
.endm
.global SYM(main)
SYM(main):
stp x29, x30, [sp, #-16]!
mov x29, sp
mov w0, #0x30 // SDL_INIT_VIDEO | SDL_INIT_AUDIO
bl SYM(SDL_Init)
tst w0, #0xFF
b.eq sdl_fail
LOADADDR x0, s_microshmup
mov w1, #800
mov w2, #600
mov x3, #0
LOADADDR x4, g_wnd
LOADADDR x5, g_rnd
bl SYM(SDL_CreateWindowAndRenderer)
tst w0, #0xFF
b.eq sdl_fail
mov w0, #0
ldp x29, x30, [sp], #16
ret
sdl_fail:
bl SYM(SDL_GetError)
mov x2, x0
mov w0, #0x10
LOADADDR x1, s_microshmup_error
LOADADDR x9, g_wnd
ldr x3, [x9]
bl SYM(SDL_ShowSimpleMessageBox)
mov w0, #1
ldp x29, x30, [sp], #16
ret
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