hello-world-main-psp.S

        .file	1 "main.c"
	.section .mdebug.eabi32
	.previous
	.section .gcc_compiled_long32
	.previous
 #APP
	    .set push
    .section .lib.ent.top, "a", @progbits
    .align 2
    .word 0
__lib_ent_top:
    .section .lib.ent.btm, "a", @progbits
    .align 2
__lib_ent_bottom:
    .word 0
    .section .lib.stub.top, "a", @progbits
    .align 2
    .word 0
__lib_stub_top:
    .section .lib.stub.btm, "a", @progbits
    .align 2
__lib_stub_bottom:
    .word 0
    .set pop
    .text

 #NO_APP
	.globl	module_info
	.section	.rodata.sceModuleInfo,"a",@progbits
	.align	4
	.type	module_info, @object
	.size	module_info, 52
module_info:
	.half	0
	.byte	1
	.byte	1
	.ascii	"RAM9_HELLO\000"
	.space	16
	.byte	0
	.word	_gp
	.word	__lib_ent_top
	.word	__lib_ent_bottom
	.word	__lib_stub_top
	.word	__lib_stub_bottom
	.globl	sce_newlib_attribute
	.data
	.align	2
	.type	sce_newlib_attribute, @object
	.size	sce_newlib_attribute, 4
sce_newlib_attribute:
	.word	-2147467264
	.rdata
	.align	2
$LC0:
	.ascii	"RAM9 - Hello World\012\000"
	.align	2
$LC1:
	.ascii	"RAM9 - August 17th 2011 : 12:41AM\012\000"
	.align	2
$LC2:
	.ascii	"RAM9 - ROBOTARMYMADE v9\012\000"
	.text
	.align	2
	.globl	main
	.set	nomips16
	.ent	main
	.type	main, @function
main:
	.frame	$fp,8,$31		# vars= 0, regs= 2/0, args= 0, gp= 0
	.mask	0xc0000000,-4
	.fmask	0x00000000,0
	.set	noreorder
	.set	nomacro
	addiu	$sp,$sp,-8
	sw	$31,4($sp)
	sw	$fp,0($sp)
	move	$fp,$sp
	jal	pspDebugScreenInit
	nop

	lui	$2,%hi($LC0)
	addiu	$4,$2,%lo($LC0)
	jal	pspDebugScreenPrintf
	nop

	lui	$2,%hi($LC1)
	addiu	$4,$2,%lo($LC1)
	jal	pspDebugScreenPrintf
	nop

	lui	$2,%hi($LC2)
	addiu	$4,$2,%lo($LC2)
	jal	pspDebugScreenPrintf
	nop

	move	$2,$0
	move	$sp,$fp
	lw	$31,4($sp)
	lw	$fp,0($sp)
	addiu	$sp,$sp,8
	j	$31
	nop

	.set	macro
	.set	reorder
	.end	main
	.size	main, .-main
	.ident	"GCC: (GNU) 4.5.2"

hello world in psp1 assembler output from GCC.
reverse engineering mips assembler part 1