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|
.ALIGN
@ .ARM
.GLOBAL cpu_speed
.GLOBAL mmu_change
.GLOBAL gp_enableIRQ
.GLOBAL gp_disableIRQ
.GLOBAL gp_installSWIIRQ
.GLOBAL gp_removeSWIIRQ
cpu_speed:
stmdb r13!, {r0-r12,lr}
stmdb sp!, {r0, r1, r2}
mov r0, sp
swi #0x0d
add sp, sp, #12
ldmia r13!, {r0-r12,lr}
bx lr
nop
mmu_change:
stmdb r13!, {r0-r12,lr}
swi #0x02
ldmia r13!, {r0-r12,lr}
bx lr
nop
gp_enableIRQ:
stmdb r13!, {r0,lr}
mrs r0, CPSR
bic r0, r0, #0x80
msr CPSR, r0
ldmia r13!, {r0,pc}
bx lr
gp_disableIRQ:
stmdb r13!, {r0,lr}
MRS r0, CPSR
ORR r0, r0, #0xc0
MSR CPSR, r0
ldmia r13!, {r0,pc}
bx lr
gp_installSWIIRQ:
stmdb r13!, {r14}
swi 0x9
ldmia r13!, {pc}
bx lr
gp_removeSWIIRQ:
stmdb r13!, {r14}
swi 0xa
ldmia r13!, {pc}
bx lr
@ ******** ASMFastSolidBlit(unsigned char *src4, unsigned char *dst4, int nbx, int nby, int height2, int trans, int coul) ********
.ALIGN
.GLOBAL ASMFastSolidBlit
.TYPE ASMFastSolidBlit, function
.CODE 32
@r0 = src4
@r1 = dst4
@r2 = nbx
@r3 = nby
@r4 = height2
@r5 = trans
@r6 = coul
@r7 = tmp
@r8 = tmpnby
@r9 = tmp2
_bx7:
ldrb r8,[r0,+r3] @lecture 1er pixel
subs r7,r3,#1
bmi _sauty2
_sauty2: @ecriture r8
TEQ r8,r5
STRNEB r8,[r1,+r7]
SUB r0,r0,r4
SUB r1,r1,#240
SUBS r2,r2,#1
BPL _bx7
ldmfd r13!,{r4-r8}
add sp,sp,#8
bx lr
ASMFastSolidBlit:
sub sp,sp,#12
stmfd r13!,{r4-r9}
ldr r4,[r13,#36]
ldr r5,[r13,#40]
ldr r6,[r13,#44]
_bx8:
ldrb r9,[r0,+r3] @lecture 1er pixel
subs r8,r3,#1
bmi _sauty2
_by8:
LDRB r7,[r0,+r8]
TEQ r9,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3b
LDRB r9,[r0,+r8]
TEQ r7,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3
LDRB r7,[r0,+r8]
TEQ r9,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3b
LDRB r9,[r0,+r8]
TEQ r7,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3
LDRB r7,[r0,+r8]
TEQ r9,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3b
LDRB r9,[r0,+r8]
TEQ r7,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3
LDRB r7,[r0,+r8]
TEQ r9,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3b
LDRB r9,[r0,+r8]
TEQ r7,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3
LDRB r7,[r0,+r8]
TEQ r9,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3b
LDRB r9,[r0,+r8]
TEQ r7,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3
LDRB r7,[r0,+r8]
TEQ r9,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3b
LDRB r9,[r0,+r8]
TEQ r7,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3
LDRB r7,[r0,+r8]
TEQ r9,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3b
LDRB r9,[r0,+r8]
TEQ r7,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3
LDRB r7,[r0,+r8]
TEQ r9,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BMI _sauty3b
LDRB r9,[r0,+r8]
TEQ r7,r5
STRNEB r6,[r1,+r8]
SUBS r8,r8,#1
BPL _by8
_sauty3: @ecriture pour r9
TEQ r9,r5
STRNEB r6,[r1,+r8]
SUB r0,r0,r4
SUB r1,r1,#240
SUBS r2,r2,#1
BPL _bx8
ldmfd r13!,{r4-r9}
add sp,sp,#12
bx lr
_sauty3b: @ecriture pour r7
TEQ r7,r5
STRNEB r6,[r1,+r8]
SUB r0,r0,r4
SUB r1,r1,#240
SUBS r2,r2,#1
BPL _bx8
ldmfd r13!,{r4-r9}
add sp,sp,#12
bx lr
@ ******** ASMSaveBitmap(unsigned char *src4, unsigned char *dst, int nbx, int nby, int height2) ********
.ALIGN
.GLOBAL ASMSaveBitmap
.TYPE ASMSaveBitmap, function
.CODE 32
@r0 = src4
@r1 = dst + 1
@r2 = nbx
@r3 = nby
@r7 = height2
@r8 = tmp
@r9 = tmpnby
@r10 = dst4
ASMSaveBitmap:
sub sp,sp,#4
stmfd r13!,{r7-r10}
LDR r7,[r13,#20]
_bx6:
MLA r10,r2,r7,r1
MOV r9,r3
_by6:
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BMI _fincol6
LDRB r8,[r0,+r9]
SUBS r9,r9,#1
STRB r8,[r10,+r9]
BPL _by6
_fincol6:
SUB r0,r0,#240
SUBS r2,r2,#1
BPL _bx6
ldmfd r13!,{r7-r10}
add sp,sp,#4
bx lr
.ALIGN
.GLOBAL gp_clearFramebuffer
.TYPE gp_clearFramebuffer, function
.CODE 32
gp_clearFramebuffer:
@ r0 = framebuffer
@ r1 = color
orr r1,r1,r1,lsl #16 @hi halfword = lo halfword
mov r2,#38400
clear: str r1,[r0],#4
subs r2,r2,#1
bne clear
bx lr
@ ******** ASMFastClear(unsigned char *dst4, int nbx, int nby) ********
.ALIGN
.GLOBAL ASMFastClear
.TYPE ASMFastClear, function
.CODE 32
@r0 = dst4
@r1 = nbx
@r2 = nby
@r3 = #0
@r4 = tmpnby
@optimis?pour h=20
ASMFastClear:
str r4,[sp,#-4]!
MOV r3,#0
_bx9:
MOV r4,r2
_by9:
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BMI _sauty4
STRB r3,[r0,+r4]
SUBS r4,r4,#1
BPL _by9
_sauty4:
SUB r0,r0,#240
SUBS r1,r1,#1
BPL _bx9
ldr r4,[sp],#4
bx lr
|
