From 7bb50c1714a74ba7e8468ead8f92b1f1ccceef6d Mon Sep 17 00:00:00 2001
From: Stephen Simpson <megazig@gmail.com>
Date: Wed, 28 Sep 2011 10:20:20 -0500
Subject: started adding classic controller analog not yet implemented tilt not
 yet implemented

---
 src/classic_controller.S | 84 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 src/classic_controller.S

(limited to 'src')

diff --git a/src/classic_controller.S b/src/classic_controller.S
new file mode 100644
index 0000000..2ae5ed7
--- /dev/null
+++ b/src/classic_controller.S
@@ -0,0 +1,84 @@
+#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 f30,30; .set f31,31
+#endif
+
+.global _switch_buttons
+_switch_buttons:
+	addi    r1,r1,0x50			# replaced instruction
+
+	mflr    r0
+	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)
+	mtlr    r0
+	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:
+	mr      r5,r6
+	blr
+
-- 
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