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#ifndef __MWERKS__
.set r0,0; .set r1,1; .set r2,2; .set r3,3; .set r4,4
.set r5,5; .set r6,6; .set r7,7; .set r8,8; .set r9,9
.set r10,10; .set r11,11; .set r12,12; .set r13,13; .set r14,14
.set r15,15; .set r16,16; .set r17,17; .set r18,18; .set r19,19
.set r20,20; .set r21,21; .set r22,22; .set r23,23; .set r24,24
.set r25,25; .set r26,26; .set r27,27; .set r28,28; .set r29,29
.set r30,30; .set r31,31; .set f0,0; .set f2,2; .set f3,3
.set f1,1; .set f8,8; .set f9,9; .set f10,10; .set f11,11;
.set f30,30; .set f31,31
#endif
.set stackSize,0x30;
.set r4Place,0x10;
.set r5Place,0x14;
.set r6Place,0x18;
.set r26Place,0x1c;
.set f8Place,0x20;
.set f9Place,0x24;
.set f10Place,0x28;
.set f11Place,0x2c;
.text
.align 4
.global _switch_buttons
_switch_buttons:
addi r1,r1,0x50 # replaced instruction
stwu r1,-stackSize(r1) # provide new stack for saving regs
mflr r0
stw r4,r4Place(r1)
stw r5,r5Place(r1)
stw r6,r6Place(r1)
stw r26,r26Place(r1)
stfs f8,f8Place(r1)
stfs f9,f9Place(r1)
stfs f10,f10Place(r1)
stfs f11,f11Place(r1)
lwz r5,0x60(r26) # wiimote cc data
bl map_buttons
lwz r4,0(r26)
or r5,r5,r4
stw r5,0(r26)
lwz r5,0x64(r26)
bl map_buttons
lwz r4,4(r26)
or r5,r5,r4
stw r5,4(r26)
lwz r5,0x68(r26)
bl map_buttons
lwz r4,8(r26)
or r5,r5,r4
stw r5,8(r26)
lwz r4,r4Place(r1)
lwz r5,r5Place(r1)
lwz r6,r6Place(r1)
lwz r26,r26Place(r1)
lfs f8,f8Place(r1)
lfs f9,f9Place(r1)
lfs f10,f10Place(r1)
lfs f11,f11Place(r1)
mtlr r0
addi r1,r1,stackSize
blr
map_buttons:
andi. r4,r5,0x200 // WPAD_CLASSIC_BUTTON_FULL_R
beq- skip_waggle
lis r6,0x7fc0 // float
skip_waggle:
stw r6,0x10(r26) // set waggle
li r6,0
andi. r4,r5,0x800 // WPAD_CLASSIC_BUTTON_HOME
beq- skip_home
ori r6,r6,0x8000 // WPAD_BUTTON_HOME
skip_home:
andi. r4,r5,0x20 // WPAD_CLASSIC_BUTTON_Y
beq- skip_run_one
ori r6,r6,0x200 // WPAD_BUTTON_1
skip_run_one:
andi. r4,r5,0x8 // WPAD_CLASSIC_BUTTON_X
beq- skip_run_two
ori r6,r6,0x200 // WPAD_BUTTON_1
skip_run_two:
andi. r4,r5,0x40 // WPAD_CLASSIC_BUTTON_B
beq- skip_jump
ori r6,r6,0x100 // WPAD_BUTTON_2
skip_jump:
andi. r4,r5,1 // WPAD_CLASSIC_BUTTON_UP
beq- skip_right
ori r6,r6,2 // WPAD_BUTTON_RIGHT
skip_right:
andi. r4,r5,2 // WPAD_CLASSIC_BUTTON_LEFT
beq- skip_up
ori r6,r6,8 // WPAD_BUTTON_UP
skip_up:
andi. r4,r5,0x8000 // WPAD_CLASSIC_BUTTON_RIGHT
beq- skip_down
ori r6,r6,4 // WPAD_BUTTON_DOWN
skip_down:
andi. r4,r5,0x4000 // WPAD_CLASSIC_BUTTON_DOWN
beq- skip_left
ori r6,r6,1 // WPAD_BUTTON_LEFT
skip_left:
andi. r4,r5,0x400 // WPAD_CLASSIC_BUTTON_PLUS
beq- skip_plus
ori r6,r6,0x10 // WPAD_BUTTON_PLUS
skip_plus:
andi. r4,r5,0x1000 // WPAD_CLASSIC_BUTTON_MINUS
beq- skip_minus
ori r6,r6,0x1000 // WPAD_BUTTON_MINUS
skip_minus:
lfs f8,0x6c(r26) // left analog x
lfs f9,0x70(r26) // left analog y
lis r5,float_one@h
lfs f10,float_one@l(r5)
lfs f11,float_neg_one@l(r5)
# fcmpu cr0,f8,f10
# bne skip_right_analog
# ori r6,r6,4 // WPAD_BUTTON_DOWN
#skip_right_analog:
# fcmpu cr0,f9,f10
# bne skip_right_analog
# ori r6,r6,2 // WPAD_BUTTON_RIGHT
#skip_up_analog:
# fcmpu cr0,f9,f11
# bne skip_right_analog
# ori r6,r6,1 // WPAD_BUTTON_LEFT
#skip_down_analog:
# fcmpu cr0,f8,f11
# bne skip_right_analog
# ori r6,r6,8 // WPAD_BUTTON_UP
#skip_left_analog:
mr r5,r6
blr
.data
float_one:
.float 1.0
float_neg_one:
.float -1.0
float_zero:
.float 0.0
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