agra.lis

ARM GAS  agra.s 			page 1


   1              		.text
   2              		.align	2
   3              		.global	setPixColor
   4              		.type	setPixColor, %function
   5              	setPixColor:
   6 0000 981B9FE5 		ldr r1, color_addr  // ielade atminas lauku datu sekcijaa
   7 0004 000081E5 		str r0, [r1]		//saglabaa adresi uz color_op atminas laukaa
   8 0008 1EFF2FE1 		bx lr
   9              		.size	setPixColor, .-setPixColor
  10              	
  11              	
  12              		.global	pixel
  13              		.type	pixel, %function
  14              	pixel:
  15 000c 30482DE9 		stmfd sp!, {r4,r5,fp,lr}
  16 0010 0CB08DE2 		add fp, sp, #12	// aizbidam fp, 3 vietas uz augsu no sp
  17 0014 10D04DE2 		sub sp, sp, #16	//atbrivojam vel 4 vietas uz leju stekaa
  18              	
  19 0018 00008DE5 		str r0, [sp]	// saglabajam r0 (x) stekaa
  20 001c 04108DE5 		str r1, [sp, #4]	// saglabajam r1 (y) stekaa
  21 0020 08208DE5 		str r2, [sp, #8]	// saglabajam r2 (color_op) stekaa
  22              		buffer_clear:
  23 0024 783B9FE5 			ldr r3, clean_addr
  24 0028 0000D3E5 			ldrb r0, [r3, #0]
  25 002c 010050E3 			cmp r0, #0x01
  26 0030 0400000A 			beq pixel_main
  27 0034 09482DE9 			stmfd sp!, {r0,r3,fp,lr}
  28 0038 FEFFFFEB 			bl clear
  29 003c 0948BDE8 			ldmfd sp!, {r0,r3,fp,lr}
  30 0040 0100A0E3 			mov r0, #0x01
  31 0044 0000C3E5 			strb r0, [r3, #0]
  32              		pixel_main:
  33 0048 FEFFFFEB 		bl FrameBufferGetWidth
  34 004c 0C008DE5 		str r0, [sp, #12]	// saglabajam r0 (FrameWidth) stekaa
  35 0050 FEFFFFEB 		bl FrameBufferGetHeight
  36              		// ignorejam pikselus arpus kadra
  37              		yRangeCheck:
  38 0054 04109DE5 		ldr r1, [sp, #4]	// r1 = y
  39 0058 010050E1 		cmp r0, r1			// ja FrameHeight < y
  40 005c 190000DA 		ble end 			// break
  41 0060 000051E3 		cmp r1, #0			// ja y < 0
  42 0064 170000BA 		blt end 			// break
  43              		xRangeCheck:
  44 0068 0C009DE5 		ldr r0, [sp, #12]	// r0 = FrameWidth
  45 006c 00109DE5 		ldr r1, [sp]		// r1 = x
  46 0070 010050E1 		cmp r0, r1			// ja FrameWidth < x
  47 0074 130000DA 		ble end 			// break
  48 0078 000051E3 		cmp r1, #0			// ja x < 0
  49 007c 110000BA 		blt end 			// break
  50              	
  51 0080 FEFFFFEB 		bl FrameBufferGetAddress
  52 0084 0040A0E1 		mov r4, r0			// r4 = buff addr
  53 0088 04309DE5 		ldr r3, [sp, #4]	// ielade y no steka
  54 008c 0331A0E1 		mov r3, r3, lsl #2
  55 0090 0C109DE5 		ldr r1, [sp, #12]	// ielade FrameWidth no steka
  56 0094 910303E0 		mul r3, r1, r3		//y*FrameWidth
  57 0098 00209DE5 		ldr r2, [sp]		// ielade x no steka
ARM GAS  agra.s 			page 2


  58 009c 0221A0E1 		mov r2, r2, lsl #2
  59 00a0 025083E0 		add r5, r3, r2		// +x
  60 00a4 08209DE5 		ldr r2, [sp, #8]	// ielade color_op
  61 00a8 000092E5 		ldr r0, [r2, #0]	// !!!! cancel vnk JO VERTIB VAIG IZLOBIT
  62              		//gatavojamies pixelOp funkcijai
  63 00ac 051094E7 		ldr r1, [r4, r5]	// r1 = buffer[y*FrameWidth+x]
  64 00b0 0020A0E3 		mov r2, #0
  65 00b4 0030A0E3 		mov r3, #0
  66              	
  67 00b8 32002DE9 		stmfd sp!, {r1,r4,r5}
  68 00bc FEFFFFEB 		bl pixelOp
  69 00c0 3200BDE8 		ldmfd sp!, {r1,r4,r5}
  70              	
  71 00c4 050084E7 		str r0, [r4, r5]	// buffer[y*FrameWidth+x] = r5
  72              	
  73              		end:
  74 00c8 0CD04BE2 		sub sp, fp, #12	// aizbidam sp, 3 vietu uz leju no fp
  75 00cc 3048BDE8 		ldmfd sp!, {r4,r5,fp,lr}
  76 00d0 1EFF2FE1 		bx lr
  77              		.size	pixel, .-pixel
  78              	
  79              		.global	pixelOp
  80              		.type	pixelOp, %function
  81              	pixelOp:
  82 00d4 10482DE9 		stmfd sp!, {r4,fp,lr}
  83 00d8 08B08DE2 		add fp, sp, #8	// aizbidam fp, 2 vietu uz augsu no sp
  84              		// iegustam op bitus
  85 00dc 032100E2 		and r2, r0, #0xC0000000
  86 00e0 000052E3 		cmp r2, #0x00
  87 00e4 1400000A 		beq endOp 		// ja 0, tad rakstam paari
  88              		// iegustam krasas izveli bez op bitiem
  89 00e8 0331C0E3 		and r3, r0, #0x3FFFFFFF
  90 00ec 0141A0E3 		ldr r4, =0x40000000
  91 00f0 040052E1 		cmp r2, r4	// vai veicama AND operacija
  92 00f4 0300001A 		bne orCheck
  93              		// iegustam buffer pikseli bez op bitiem
  94 00f8 0311C1E3 		and r1, r1, #0x3FFFFFFF
  95 00fc 013003E0 		and r3, r3, r1	//pixcolor AND buffer pix
  96 0100 030084E0 		add r0, r4, r3  //pieliekam krasai klat AND op izveli
  97 0104 0C0000EA 		b endOp
  98              		orCheck:
  99 0108 0241A0E3 		ldr r4, =0x80000000
 100 010c 040052E1 		cmp r2, r4 // vai veicama OR operacija
 101 0110 0300001A 		bne xorCheck
 102              		// iegustam buffer pikseli bez op bitiem
 103 0114 0311C1E3 		and r1, r1, #0x3FFFFFFF
 104 0118 013083E1 		orr r3, r3, r1	//pixcolor OR buffer pix
 105 011c 030084E0 		add r0, r4, r3  //pieliekam krasai klat OR op izveli
 106 0120 050000EA 		b endOp
 107              		xorCheck:
 108 0124 0341A0E3 		ldr r4, =0xC0000000
 109 0128 040052E1 		cmp r2, r4 // vai veicama OR operacija
 110 012c 0200001A 		bne endOp
 111              		// iegustam buffer pikseli bez op bitiem
 112 0130 0311C1E3 		and r1, r1, #0x3FFFFFFF
 113 0134 013023E0 		eor r3, r3, r1	//pixcolor XOR buffer pix
 114 0138 030084E0 		add r0, r4, r3  //pieliekam krasai klat XOR op izveli
ARM GAS  agra.s 			page 3


 115              	
 116              		endOp:
 117 013c 1048BDE8 		ldmfd sp!, {r4,fp,lr}
 118 0140 1EFF2FE1 		bx lr
 119              		.size	pixelOp, .-pixelOp
 120              	
 121              		.global	line
 122              		.type	line, %function
 123              	line:
 124 0144 10482DE9 		stmfd sp!, {r4,fp,lr}
 125 0148 08B08DE2 		add	fp, sp, #8		// aizbidam fp, 2 vietas uz augsu no sp
 126 014c 28D04DE2 		sub	sp, sp, #40		//atbrivojam vel 10 vietas uz leju stekaa
 127 0150 0C008DE5 		str	r0, [sp, #12]	// x1 stekaa
 128 0154 08108DE5 		str	r1, [sp, #8]	// y1 stekaa
 129 0158 04208DE5 		str	r2, [sp, #4]	// x2 stekaa
 130 015c 00308DE5 		str	r3, [sp]		// y2 stekaa
 131              	
 132 0160 000052E1 		cmp	r2, r0			//(x2>x1)
 133 0164 020000DA 		ble	x2Smaller
 134 0168 004042E0 			sub	r4, r2, r0	//dx = x2-x1
 135 016c 10408DE5 			str	r4, [sp, #16]	// dx stekaa
 136 0170 010000EA 			b	yCheck
 137              		x2Smaller:
 138 0174 024040E0 			sub	r4, r0, r2		//dx = x1-x2
 139 0178 10408DE5 			str	r4, [sp, #16]	//dx stekaa
 140              		yCheck:
 141 017c 010053E1 			cmp	r3, r1			//(y2>y1)
 142 0180 020000DA 			ble	y2Smaller
 143 0184 014043E0 				sub	r4, r3, r1		//dy = y2-y1
 144 0188 14408DE5 				str	r4, [sp, #20]	//dy stekaa
 145 018c 010000EA 				b	dAssign
 146              			y2Smaller:
 147 0190 034041E0 				sub	r4, r1, r3		//dy = y1-y2
 148 0194 14408DE5 				str	r4, [sp, #20]	//dy stekaa
 149              		dAssign:
 150 0198 004064E2 			rsb	r4, r4, #0		//dy = dy*(-1)
 151 019c 14408DE5 			str	r4, [sp, #20]
 152 01a0 020050E1 			cmp	r0, r2			//if(x1>=x2)
 153 01a4 020000AA 			bge	x1Larger_2
 154 01a8 0140A0E3 				mov	r4, #1
 155 01ac 18408DE5 				str	r4, [sp, #24]	//sx = 1
 156 01b0 010000EA 				b	yCheck_2
 157              			x1Larger_2:
 158 01b4 0040E0E3 				mvn	r4, #0
 159 01b8 18408DE5 				str	r4, [sp, #24]	//sx = 0
 160              		yCheck_2:
 161 01bc 030051E1 			cmp	r1, r3			//if(y1>=y2)
 162 01c0 020000AA 			bge	y1Larger
 163 01c4 0140A0E3 				mov	r4, #1
 164 01c8 1C408DE5 				str	r4, [sp, #28]	//sy = 1
 165 01cc 010000EA 				b	errAssign
 166              			y1Larger:
 167 01d0 0040E0E3 				mvn	r4, #0
 168 01d4 1C408DE5 				str	r4, [sp, #28]	//sy = 0
 169              		errAssign:
 170 01d8 10209DE5 			ldr	r2, [sp, #16]	//dx
 171 01dc 14309DE5 			ldr	r3, [sp, #20]	//dy
ARM GAS  agra.s 			page 4


 172 01e0 033082E0 			add	r3, r2, r3		// err = dx + dy
 173 01e4 20308DE5 			str	r3, [sp, #32]	//err
 174              		lineLoop:
 175 01e8 B0499FE5 			ldr r4, color_addr // ielade adresi uz .data lauku
 176 01ec 002094E5 			ldr r2, [r4, #0]   // panem color_op adresi no .data lauka
 177 01f0 08109DE5 			ldr	r1, [sp, #8]	//y1
 178 01f4 0C009DE5 			ldr	r0, [sp, #12]	//x1
 179 01f8 FEFFFFEB 			bl	pixel
 180 01fc 0C209DE5 			ldr	r2, [sp, #12]	//x1
 181 0200 04309DE5 			ldr	r3, [sp, #4]	//x2
 182 0204 030052E1 			cmp	r2, r3			// if (x1 == x2
 183 0208 0300001A 			bne	continue
 184 020c 08209DE5 				ldr	r2, [sp, #8]	//y1
 185 0210 00309DE5 				ldr	r3, [sp]		//y2
 186 0214 030052E1 				cmp	r2, r3			// && y1 == y2)
 187 0218 1600000A 				beq	EndLine			// break
 188              		continue:
 189 021c 20309DE5 			ldr	r3, [sp, #32]	//err
 190 0220 8340A0E1 			lsl	r4, r3, #1		//e2 = 2 * err;
 191 0224 24408DE5 			str	r4, [sp, #36]	//e2
 192 0228 14209DE5 			ldr	r2, [sp, #20]	//dy
 193 022c 020054E1 			cmp	r4, r2			// if (e2 >= dy)
 194 0230 050000BA 			blt	check2 
 195 0234 033082E0 				add	r3, r2, r3		//err += dy
 196 0238 20308DE5 				str	r3, [sp, #32]
 197 023c 0C209DE5 				ldr	r2, [sp, #12]	//x1
 198 0240 18309DE5 				ldr	r3, [sp, #24]	//sx
 199 0244 033082E0 				add	r3, r2, r3		//x1 += sx
 200 0248 0C308DE5 				str	r3, [sp, #12]
 201              			check2:
 202 024c 10309DE5 				ldr	r3, [sp, #16]	//dx
 203 0250 030054E1 				cmp	r4, r3			// if (e2 <= dx)
 204 0254 E3FFFFCA 				bgt	lineLoop
 205 0258 20209DE5 					ldr	r2, [sp, #32]	//err
 206 025c 033082E0 					add	r3, r2, r3		//err += dx
 207 0260 20308DE5 					str	r3, [sp, #32]
 208 0264 08209DE5 					ldr	r2, [sp, #8]	//y1
 209 0268 1C309DE5 					ldr	r3, [sp, #28]	//sy
 210 026c 033082E0 					add	r3, r2, r3		//y0 += sy
 211 0270 08308DE5 					str	r3, [sp, #8]
 212 0274 DBFFFFEA 					b	lineLoop
 213              	
 214              		EndLine:
 215 0278 08D04BE2 			sub	sp, fp, #8
 216 027c 1048BDE8 			ldmfd sp!, {r4,fp,lr}
 217 0280 1EFF2FE1 			bx lr
 218              		.size	line, .-line
 219              	
 220              		.global	circle
 221              		.type	circle, %function
 222              	circle:
 223 0284 30482DE9 		stmfd sp!, {r4,r5,fp,lr}
 224 0288 0CB08DE2 		add fp, sp, #12	// aizbidam fp, 3 vietu uz augsu no sp
 225 028c 08D04DE2 		sub sp, sp, #8	//atbrivojam vel 2 vietas uz leju stekaa
 226              	
 227 0290 00208DE5 		str r2, [sp]	// saglabajam r2 (r) stekaa
 228              	
ARM GAS  agra.s 			page 5


 229 0294 0020A0E3 		mov r2, #0		// int P = 0
 230 0298 00309DE5 		ldr r3, [sp]	// int Q = r
 231 029c 0340A0E1 		mov r4, r3
 232 02a0 8440A0E1 		mov r4, r4, lsl #1	//(2*r)
 233 02a4 034064E2 		rsb r4, r4, #3 // D = 3-(2*r);
 234 02a8 04408DE5 		str r4, [sp, #4]	// saglabajam r4 (D) stekaa
 235              	
 236 02ac 0F002DE9 		stmfd sp!, {r0,r1,r2,r3}
 237 02b0 FEFFFFEB 		bl Do8Ways
 238 02b4 0F00BDE8 		ldmfd sp!, {r0,r1,r2,r3}
 239              	
 240              		loop_4:
 241 02b8 04409DE5 			ldr r4, [sp, #4] // D
 242 02bc 000054E3 			cmp r4, #0	//(D < 0)
 243 02c0 050000AA 			bge dHigher_3 //if(D >= 0)
 244 02c4 0251A0E1 				mov r5, r2, lsl #2	//4*P
 245 02c8 065085E2 				add r5, r5, #6		//(4*P + 6)
 246 02cc 054084E0 				add r4, r4, r5		// D += (4*P + 6);
 247 02d0 04408DE5 				str r4, [sp, #4]
 248 02d4 012082E2 				add r2, r2, #1		//++P
 249 02d8 060000EA 				b print_4
 250              				dHigher_3:
 251 02dc 035042E0 				sub r5, r2, r3		//(P-Q)
 252 02e0 0551A0E1 				mov r5, r5, lsl #2	//4*(P-Q)
 253 02e4 0A5085E2 				add r5, r5, #10		//(4*(P-Q) + 10)
 254 02e8 054084E0 				add r4, r4, r5		//D += (4*(P-Q) + 10);
 255 02ec 04408DE5 				str r4, [sp, #4]
 256 02f0 012082E2 				add r2, r2, #1		//++P
 257 02f4 013043E2 				sub r3, r3, #1		//--Q
 258              			print_4:
 259 02f8 0F002DE9 					stmfd sp!, {r0,r1,r2,r3}
 260 02fc FEFFFFEB 					bl Do8Ways
 261 0300 0F00BDE8 					ldmfd sp!, {r0,r1,r2,r3}
 262              		while_4:
 263 0304 030052E1 			cmp r2, r3
 264 0308 EAFFFFDA 			ble loop_4
 265              	
 266 030c 0CD04BE2 		sub sp, fp, #12	// aizbidam sp, 3 vietas uz leju no fp
 267 0310 3048BDE8 		ldmfd sp!, {r4,r5,fp,lr}
 268 0314 1EFF2FE1 		bx lr
 269              		.size	circle, .-circle
 270              	
 271              		.global	Do8Ways
 272              		.type	Do8Ways, %function
 273              	Do8Ways:
 274 0318 00482DE9 		stmfd sp!, {fp,lr}
 275 031c 04B08DE2 		add fp, sp, #4	// aizbidam fp, 1 vietu uz augsu no sp
 276 0320 20D04DE2 		sub sp, sp, #32	//atbrivojam vel 8 vietas uz leju stekaa
 277              	
 278 0324 024080E0 		add r4, r0, r2 //x+P
 279 0328 00408DE5 		str r4, [sp]
 280 032c 024040E0 		sub r4, r0, r2 //x-P
 281 0330 04408DE5 		str r4, [sp, #4]
 282 0334 034080E0 		add r4, r0, r3 //x+Q
 283 0338 08408DE5 		str r4, [sp, #8]
 284 033c 034040E0 		sub r4, r0, r3 //x-Q
 285 0340 0C408DE5 		str r4, [sp, #12]
ARM GAS  agra.s 			page 6


 286 0344 024081E0 		add r4, r1, r2 //y+P
 287 0348 10408DE5 		str r4, [sp, #16]
 288 034c 024041E0 		sub r4, r1, r2 //y-P
 289 0350 14408DE5 		str r4, [sp, #20]
 290 0354 034081E0 		add r4, r1, r3 //y+Q
 291 0358 18408DE5 		str r4, [sp, #24]
 292 035c 034041E0 		sub r4, r1, r3 //y-Q
 293 0360 1C408DE5 		str r4, [sp, #28]
 294              	
 295 0364 34389FE5 		ldr r3, color_addr // ielade adresi uz .data lauku
 296 0368 002093E5 		ldr r2, [r3, #0]   // panem color_op adresi no .data lauka
 297              	
 298 036c 00009DE5 		ldr r0, [sp]
 299 0370 18109DE5 		ldr r1, [sp, #24]
 300 0374 04002DE9 		stmfd sp!, {r2}
 301 0378 FEFFFFEB 		bl pixel			//pixel(x+p, y+q, buffer);
 302 037c 0400BDE8 		ldmfd sp!, {r2}
 303              	
 304 0380 04009DE5 		ldr r0, [sp, #4]
 305 0384 18109DE5 		ldr r1, [sp, #24]
 306 0388 04002DE9 		stmfd sp!, {r2}
 307 038c FEFFFFEB 		bl pixel			//pixel(x-p, y+q, buffer);
 308 0390 0400BDE8 		ldmfd sp!, {r2}
 309              	
 310 0394 00009DE5 		ldr r0, [sp]
 311 0398 1C109DE5 		ldr r1, [sp, #28]
 312 039c 04002DE9 		stmfd sp!, {r2}
 313 03a0 FEFFFFEB 		bl pixel			//pixel(x+p, y-q, buffer);
 314 03a4 0400BDE8 		ldmfd sp!, {r2}
 315              	
 316 03a8 04009DE5 		ldr r0, [sp, #4]
 317 03ac 1C109DE5 		ldr r1, [sp, #28]
 318 03b0 04002DE9 		stmfd sp!, {r2}
 319 03b4 FEFFFFEB 		bl pixel			//pixel(x-p, y-q, buffer);
 320 03b8 0400BDE8 		ldmfd sp!, {r2}
 321              	
 322 03bc 08009DE5 		ldr r0, [sp, #8]
 323 03c0 10109DE5 		ldr r1, [sp, #16]
 324 03c4 04002DE9 		stmfd sp!, {r2}
 325 03c8 FEFFFFEB 		bl pixel			//pixel(x+q, y+p, buffer);
 326 03cc 0400BDE8 		ldmfd sp!, {r2}
 327              	
 328 03d0 0C009DE5 		ldr r0, [sp, #12]
 329 03d4 10109DE5 		ldr r1, [sp, #16]
 330 03d8 04002DE9 		stmfd sp!, {r2}
 331 03dc FEFFFFEB 		bl pixel			//pixel(x-q, y+p, buffer);
 332 03e0 0400BDE8 		ldmfd sp!, {r2}
 333              	
 334 03e4 08009DE5 		ldr r0, [sp, #8]
 335 03e8 14109DE5 		ldr r1, [sp, #20]
 336 03ec 04002DE9 		stmfd sp!, {r2}
 337 03f0 FEFFFFEB 		bl pixel			//pixel(x+q, y-p, buffer);
 338 03f4 0400BDE8 		ldmfd sp!, {r2}
 339              	
 340 03f8 0C009DE5 		ldr r0, [sp, #12]
 341 03fc 14109DE5 		ldr r1, [sp, #20]
 342 0400 04002DE9 		stmfd sp!, {r2}
ARM GAS  agra.s 			page 7


 343 0404 FEFFFFEB 		bl pixel			//pixel(x-q, y-p, buffer);
 344 0408 0400BDE8 		ldmfd sp!, {r2}
 345              	
 346              	
 347 040c 04D04BE2 		sub sp, fp, #4	// aizbidam sp, 1 vietu uz leju no fp
 348 0410 0048BDE8 		ldmfd sp!, {fp,lr}
 349 0414 1EFF2FE1 		bx lr
 350              		.size	Do8Ways, .-Do8Ways
 351              	
 352              	
 353              		.global	SWAP
 354              		.type	SWAP, %function
 355              	SWAP:
 356 0418 00482DE9 		stmfd sp!, {fp,lr}
 357 041c 04B08DE2 		add fp, sp, #4	// aizbidam fp, 1 vietu uz augsu no sp
 358 0420 0CD04DE2 		sub	sp, sp, #12 // rezervejam 3 vietas stekaa
 359              	
 360 0424 00008DE5 		str	r0, [sp]		//x stekaa
 361 0428 04108DE5 		str	r1, [sp, #4]	//y stekaa
 362              	
 363 042c 00309DE5 		ldr	r3, [sp]		//x adrese
 364 0430 003093E5 		ldr	r3, [r3]		//*x
 365 0434 08308DE5 		str	r3, [sp, #8]	//*x stekaa
 366              	
 367 0438 04309DE5 		ldr	r3, [sp, #4]	//y adrese
 368 043c 002093E5 		ldr	r2, [r3]		//*y
 369              	
 370 0440 00309DE5 		ldr	r3, [sp]		//x adrese;
 371 0444 002083E5 		str	r2, [r3]		//*x = *y
 372              	
 373 0448 04309DE5 		ldr	r3, [sp, #4]	//y adrese
 374 044c 08209DE5 		ldr	r2, [sp, #8]	//*x
 375 0450 002083E5 		str	r2, [r3]		//*y = *x
 376              	
 377 0454 04D04BE2 		sub sp, fp, #4	// aizbidam sp, 1 vietu uz leju no fp
 378 0458 0048BDE8 		ldmfd sp!, {fp,lr}
 379 045c 1EFF2FE1 		bx lr
 380              		.size	SWAP, .-SWAP
 381              	
 382              	
 383              		.global	triangleFill
 384              		.type	triangleFill, %function
 385              	triangleFill:
 386 0460 00482DE9 		stmfd sp!, {fp,lr}
 387 0464 04B08DE2 		add	fp, sp, #4
 388 0468 60D04DE2 		sub	sp, sp, #96
 389 046c 0C008DE5 		str	r0, [sp, #12]	//x1
 390 0470 08108DE5 		str	r1, [sp, #8]	//y1
 391 0474 04208DE5 		str	r2, [sp, #4]	//x2
 392 0478 00308DE5 		str	r3, [sp]		//y2
 393              	
 394 047c 0030A0E3 		mov	r3, #0
 395 0480 28300BE5 		str	r3, [fp, #-40]	//changed1 = 0
 396 0484 0030A0E3 		mov	r3, #0
 397 0488 24300BE5 		str	r3, [fp, #-36]	//changed2 = 0
 398              	
 399 048c 08209DE5 		ldr	r2, [sp, #8]	//y1
ARM GAS  agra.s 			page 8


 400 0490 00309DE5 		ldr	r3, [sp]		//y2
 401 0494 030052E1 		cmp	r2, r3			//if (y1 > y2)
 402 0498 050000DA 		ble	y1smaller
 403 049c 64104BE2 			sub	r1, fp, #100	//adress of y2
 404 04a0 5C004BE2 			sub	r0, fp, #92		//adress of y1
 405 04a4 FEFFFFEB 			bl	SWAP
 406 04a8 60104BE2 			sub	r1, fp, #96		//adress of x2
 407 04ac 58004BE2 			sub	r0, fp, #88		//adress of x1
 408 04b0 FEFFFFEB 			bl	SWAP
 409              		y1smaller:
 410 04b4 08209DE5 			ldr	r2, [sp, #8]	//y1
 411 04b8 08309BE5 			ldr	r3, [fp, #8]	//y3
 412 04bc 030052E1 			cmp	r2, r3			//if(y1 > y3)
 413 04c0 050000DA 			ble	y1smaller2
 414 04c4 08108BE2 				add	r1, fp, #8		//adress of y3
 415 04c8 5C004BE2 				sub	r0, fp, #92		//adress of y1
 416 04cc FEFFFFEB 				bl	SWAP
 417 04d0 58004BE2 				sub	r0, fp, #88		//adress of x1
 418 04d4 04108BE2 				add	r1, fp, #4		//adress of x3
 419 04d8 FEFFFFEB 				bl	SWAP
 420              			y1smaller2:
 421 04dc 00209DE5 				ldr	r2, [sp]		//y2
 422 04e0 08309BE5 				ldr	r3, [fp, #8]	//y3
 423 04e4 030052E1 				cmp	r2, r3			//if(y2 > y3)
 424 04e8 050000DA 				ble	y2smaller2
 425 04ec 08108BE2 					add	r1, fp, #8		//adress of y3
 426 04f0 64004BE2 					sub	r0, fp, #100	//adress of y2
 427 04f4 FEFFFFEB 					bl	SWAP
 428 04f8 60004BE2 					sub	r0, fp, #96		//adress of x2
 429 04fc 04108BE2 					add	r1, fp, #4		//adress of x3
 430 0500 FEFFFFEB 					bl	SWAP
 431              		y2smaller2:
 432 0504 0C309DE5 			ldr	r3, [sp, #12]		//x1
 433 0508 40300BE5 			str	r3, [fp, #-64]		//t2x = x1
 434 050c 44300BE5 			str	r3, [fp, #-68]		//t1x = t2x = x1
 435 0510 08309DE5 			ldr	r3, [sp, #8]		//y1
 436 0514 3C300BE5 			str	r3, [fp, #-60]		//y = y1
 437              	
 438 0518 04209DE5 			ldr	r2, [sp, #4]		//x2
 439 051c 0C309DE5 			ldr	r3, [sp, #12]		//x1
 440 0520 033042E0 			sub	r3, r2, r3			//dx1 = (x2 - x1)
 441 0524 54300BE5 			str	r3, [fp, #-84]		//dx1 stekaa
 442 0528 000053E3 			cmp	r3, #0				//if(dx1<0)
 443 052c 040000AA 			bge	dxPos
 444 0530 003063E2 				rsb	r3, r3, #0			//dx1=-dx1;
 445 0534 54300BE5 				str	r3, [fp, #-84]
 446 0538 0030E0E3 				mvn	r3, #0				//signx1=0
 447 053c 20300BE5 				str	r3, [fp, #-32]		//signx1
 448 0540 010000EA 				b	dx2Check
 449              			dxPos:
 450 0544 0130A0E3 				mov	r3, #1
 451 0548 20300BE5 				str	r3, [fp, #-32]			//signx1=1
 452              	dx2Check:
 453 054c 00209DE5 		ldr	r2, [sp]		//y2
 454 0550 08309DE5 		ldr	r3, [sp, #8]			//y1
 455 0554 033042E0 		sub	r3, r2, r3		//dy1 = (y2 - y1)
 456 0558 50300BE5 		str	r3, [fp, #-80]	//dy1
ARM GAS  agra.s 			page 9


 457              	
 458 055c 04209BE5 		ldr	r2, [fp, #4]	//x3
 459 0560 0C309DE5 		ldr	r3, [sp, #12]	//x1
 460 0564 033042E0 		sub	r3, r2, r3		//dx2 = (x3 - x1)
 461 0568 4C300BE5 		str	r3, [fp, #-76]	//dx2
 462              	
 463 056c 000053E3 		cmp	r3, #0		//if(dx2<0)
 464 0570 040000AA 		bge	dx2Pos
 465 0574 003063E2 		rsb	r3, r3, #0		//dx2=-dx2
 466 0578 4C300BE5 		str	r3, [fp, #-76]
 467 057c 0030E0E3 		mvn	r3, #0
 468 0580 1C300BE5 		str	r3, [fp, #-28]	//signx2=-1
 469 0584 010000EA 		b	valueSwap1
 470              	dx2Pos:
 471 0588 0130A0E3 		mov	r3, #1
 472 058c 1C300BE5 		str	r3, [fp, #-28]	//signx2=1;
 473              	valueSwap1:
 474 0590 08209BE5 		ldr	r2, [fp, #8]		//y3
 475 0594 08309DE5 		ldr	r3, [sp, #8]		//y1
 476 0598 033042E0 		sub	r3, r2, r3			//dy2 = (y3 - y1)
 477 059c 48300BE5 		str	r3, [fp, #-72]		//dy2
 478              	
 479 05a0 50201BE5 		ldr	r2, [fp, #-80]		//dy1
 480 05a4 54301BE5 		ldr	r3, [fp, #-84]		//dx1
 481 05a8 030052E1 		cmp	r2, r3
 482 05ac 040000DA 		ble	dy1S
 483 05b0 50104BE2 		sub	r1, fp, #80		// dy1 addr
 484 05b4 54004BE2 		sub	r0, fp, #84		// dx1 addr
 485 05b8 FEFFFFEB 		bl	SWAP
 486 05bc 0130A0E3 		mov	r3, #1
 487 05c0 28300BE5 		str	r3, [fp, #-40]		//changed1=1
 488              	dy1S:
 489 05c4 48201BE5 		ldr	r2, [fp, #-72]		//dy2
 490 05c8 4C301BE5 		ldr	r3, [fp, #-76]		//dx2
 491 05cc 030052E1 		cmp	r2, r3				//if (dy2 > dx2)
 492 05d0 040000DA 		ble	dy2S
 493 05d4 4C104BE2 		sub	r1, fp, #76		//dx2 addr
 494 05d8 48004BE2 		sub	r0, fp, #72		//dy2 addr
 495 05dc FEFFFFEB 		bl	SWAP
 496 05e0 0130A0E3 		mov	r3, #1
 497 05e4 24300BE5 		str	r3, [fp, #-36]	//changed2 = 1
 498              	dy2S:
 499 05e8 4C301BE5 		ldr	r3, [fp, #-76]	//dx2
 500 05ec C330A0E1 		asr	r3, r3, #1		//e2 = (dx2>>1)
 501 05f0 14300BE5 		str	r3, [fp, #-20]	//e2
 502              	
 503 05f4 08209DE5 		ldr	r2, [sp, #8] 	//y1
 504 05f8 00309DE5 		ldr	r3, [sp]		//y2
 505 05fc 030052E1 		cmp	r2, r3			//if(y1==y2)
 506 0600 8B00000A 		beq	next
 507 0604 54301BE5 		ldr	r3, [fp, #-84]	//dx1
 508 0608 C330A0E1 		asr	r3, r3, #1		//e1 = (dx1>>1)
 509 060c 18300BE5 		str	r3, [fp, #-24]	//e1
 510              	for:
 511 0610 0030A0E3 		mov	r3, #0		//int i=0
 512 0614 10300BE5 		str	r3, [fp, #-16]	//i
 513 0618 810000EA 		b	forTest
ARM GAS  agra.s 			page 10


 514              	triLoop1:
 515 061c 0020A0E3 		mov	r2, #0
 516 0620 30200BE5 		str	r2, [fp, #-48]		//t1xp=0
 517 0624 0030A0E3 		mov	r3, #0
 518 0628 2C300BE5 		str	r3, [fp, #-44]		//t2xp=0
 519 062c 44201BE5 		ldr	r2, [fp, #-68]		//t1x
 520 0630 40301BE5 		ldr	r3, [fp, #-64]		//t2x
 521 0634 030052E1 		cmp	r2, r3				//if(t1x<t2x)
 522 0638 040000AA 		bge	t2xB
 523              		//minx=t1x; maxx=t2x;
 524 063c 44301BE5 		ldr	r3, [fp, #-68]
 525 0640 38300BE5 		str	r3, [fp, #-56]
 526 0644 40301BE5 		ldr	r3, [fp, #-64]
 527 0648 34300BE5 		str	r3, [fp, #-52]
 528 064c 200000EA 		b	triWhile1
 529              	t2xB:
 530              		//maxx=t1x; minx=t2x;
 531 0650 40301BE5 		ldr	r3, [fp, #-64]
 532 0654 38300BE5 		str	r3, [fp, #-56]
 533 0658 44301BE5 		ldr	r3, [fp, #-68]
 534 065c 34300BE5 		str	r3, [fp, #-52]
 535 0660 1B0000EA 		b	triWhile1
 536              	iSmaller1:
 537 0664 10301BE5 		ldr	r3, [fp, #-16]	//i
 538 0668 013083E2 		add	r3, r3, #1		//i++
 539 066c 10300BE5 		str	r3, [fp, #-16]
 540              		//e1 += dy1;
 541 0670 50301BE5 		ldr	r3, [fp, #-80] //dy1
 542 0674 18201BE5 		ldr	r2, [fp, #-24]
 543 0678 033082E0 		add	r3, r2, r3
 544 067c 18300BE5 		str	r3, [fp, #-24]
 545 0680 080000EA 		b	triWhile2
 546              	e1G:
 547              		//e1 -= dx1;
 548 0684 54301BE5 		ldr	r3, [fp, #-84] //dx1
 549 0688 18201BE5 		ldr	r2, [fp, #-24] //e1
 550 068c 033042E0 		sub	r3, r2, r3
 551 0690 18300BE5 		str	r3, [fp, #-24]
 552              		//if (changed1)
 553 0694 28301BE5 		ldr	r3, [fp, #-40] //changed1
 554 0698 000053E3 		cmp	r3, #0
 555 069c 1000000A 		beq	next1
 556              		//t1xp=signx1
 557 06a0 20301BE5 		ldr	r3, [fp, #-32]
 558 06a4 30300BE5 		str	r3, [fp, #-48]
 559              	triWhile2:
 560              		//(e1 >= dx1)
 561 06a8 54301BE5 		ldr	r3, [fp, #-84] //dx1
 562 06ac 18201BE5 		ldr	r2, [fp, #-24] //e1
 563 06b0 030052E1 		cmp	r2, r3
 564 06b4 F2FFFFAA 		bge	e1G
 565              		//if (changed1) break;
 566 06b8 28301BE5 		ldr	r3, [fp, #-40] //changed1
 567 06bc 000053E3 		cmp	r3, #0
 568 06c0 0700001A 		bne	next1
 569              		//else t1x += signx1;
 570 06c4 44201BE5 		ldr	r2, [fp, #-68] //signx1
ARM GAS  agra.s 			page 11


 571 06c8 20301BE5 		ldr	r3, [fp, #-32] //t1x
 572 06cc 033082E0 		add	r3, r2, r3
 573 06d0 44300BE5 		str	r3, [fp, #-68]
 574              	triWhile1:
 575 06d4 54301BE5 		ldr	r3, [fp, #-84]		//dx1
 576 06d8 10201BE5 		ldr	r2, [fp, #-16]		//i
 577 06dc 030052E1 		cmp	r2, r3				//i<dx1
 578 06e0 DFFFFFBA 		blt	iSmaller1
 579              	next1:
 580              		//e2 += dy2;
 581 06e4 48301BE5 		ldr	r3, [fp, #-72] //dy2
 582 06e8 14201BE5 		ldr	r2, [fp, #-20] //e2
 583 06ec 033082E0 		add	r3, r2, r3
 584 06f0 14300BE5 		str	r3, [fp, #-20]
 585 06f4 080000EA 		b	triWhile3Cond
 586              	triWhile3:
 587              		//e2 -= dx2;
 588 06f8 4C301BE5 		ldr	r3, [fp, #-76]
 589 06fc 14201BE5 		ldr	r2, [fp, #-20]
 590 0700 033042E0 		sub	r3, r2, r3
 591 0704 14300BE5 		str	r3, [fp, #-20]
 592              		//if (changed2)
 593 0708 24301BE5 		ldr	r3, [fp, #-36]
 594 070c 000053E3 		cmp	r3, #0
 595 0710 0D00000A 		beq	next2
 596              		//t2xp=signx2
 597 0714 1C301BE5 		ldr	r3, [fp, #-28]
 598 0718 2C300BE5 		str	r3, [fp, #-44]
 599              	triWhile3Cond:
 600              		//while (e2 >= dx2)
 601 071c 4C301BE5 		ldr	r3, [fp, #-76] //dx2
 602 0720 14201BE5 		ldr	r2, [fp, #-20] //e2
 603 0724 030052E1 		cmp	r2, r3
 604 0728 F2FFFFAA 		bge	triWhile3
 605              		//if (changed2)
 606 072c 24301BE5 		ldr	r3, [fp, #-36]
 607 0730 000053E3 		cmp	r3, #0
 608 0734 0400001A 		bne	next2
 609              		//t2x += signx2;
 610 0738 40201BE5 		ldr	r2, [fp, #-64] //t2x
 611 073c 1C301BE5 		ldr	r3, [fp, #-28] //signx2
 612 0740 033082E0 		add	r3, r2, r3
 613 0744 40300BE5 		str	r3, [fp, #-64]
 614 0748 E5FFFFEA 		b	next1
 615              	next2:
 616              		//if(minx>t1x)
 617 074c 38201BE5 		ldr	r2, [fp, #-56]
 618 0750 44301BE5 		ldr	r3, [fp, #-68]
 619 0754 030052E1 		cmp	r2, r3
 620 0758 000000DA 		ble	minxS
 621 075c 38300BE5 		str	r3, [fp, #-56] //minx=t1x
 622              	minxS:
 623              		//if(minx>t2x)
 624 0760 38201BE5 		ldr	r2, [fp, #-56]
 625 0764 40301BE5 		ldr	r3, [fp, #-64]
 626 0768 030052E1 		cmp	r2, r3
 627 076c 000000DA 		ble	minxS2
ARM GAS  agra.s 			page 12


 628 0770 38300BE5 		str	r3, [fp, #-56] //minx=t2x
 629              	minxS2:
 630              		//maxx<t1x
 631 0774 34201BE5 		ldr	r2, [fp, #-52]
 632 0778 44301BE5 		ldr	r3, [fp, #-68]
 633 077c 030052E1 		cmp	r2, r3
 634 0780 000000AA 		bge	maxxL
 635              		//maxx=t1x
 636 0784 34300BE5 		str	r3, [fp, #-52]
 637              	maxxL:
 638              		//if(maxx<t2x)
 639 0788 34201BE5 		ldr	r2, [fp, #-52]
 640 078c 40301BE5 		ldr	r3, [fp, #-64]
 641 0790 030052E1 		cmp	r2, r3
 642 0794 000000AA 		bge	maxxL2
 643 0798 34300BE5 		str	r3, [fp, #-52] //maxx=t2x
 644              	maxxL2:
 645              		//line(minx, y, maxx, y)
 646 079c 3C301BE5 		ldr	r3, [fp, #-60] //y
 647 07a0 34201BE5 		ldr	r2, [fp, #-52] //maxx
 648 07a4 3C101BE5 		ldr	r1, [fp, #-60]
 649 07a8 38001BE5 		ldr	r0, [fp, #-56] //minx
 650 07ac FEFFFFEB 		bl	line
 651              		//if(!changed1)
 652 07b0 28301BE5 		ldr	r3, [fp, #-40]
 653 07b4 000053E3 		cmp	r3, #0
 654 07b8 0300001A 		bne	changed3
 655 07bc 44201BE5 		ldr	r2, [fp, #-68]
 656 07c0 20301BE5 		ldr	r3, [fp, #-32]
 657 07c4 033082E0 		add	r3, r2, r3		//t1x += signx1
 658 07c8 44300BE5 		str	r3, [fp, #-68]
 659              	changed3:
 660              		//t1x+=t1xp;
 661 07cc 44201BE5 		ldr	r2, [fp, #-68]
 662 07d0 30301BE5 		ldr	r3, [fp, #-48]
 663 07d4 033082E0 		add	r3, r2, r3
 664 07d8 44300BE5 		str	r3, [fp, #-68]
 665              		//if(!changed2)
 666 07dc 24301BE5 		ldr	r3, [fp, #-36]
 667 07e0 000053E3 		cmp	r3, #0
 668 07e4 0300001A 		bne	changed4
 669 07e8 40201BE5 		ldr	r2, [fp, #-64]
 670 07ec 1C301BE5 		ldr	r3, [fp, #-28]
 671 07f0 033082E0 		add	r3, r2, r3		//t2x += signx2
 672 07f4 40300BE5 		str	r3, [fp, #-64]
 673              	changed4:
 674              		//t2x+=t2xp
 675 07f8 40201BE5 		ldr	r2, [fp, #-64]
 676 07fc 2C301BE5 		ldr	r3, [fp, #-44]
 677 0800 033082E0 		add	r3, r2, r3
 678 0804 40300BE5 		str	r3, [fp, #-64]
 679              		//y += 1;
 680 0808 3C301BE5 		ldr	r3, [fp, #-60] //y
 681 080c 013083E2 		add	r3, r3, #1
 682 0810 3C300BE5 		str	r3, [fp, #-60]
 683              		//if(y==y2) break
 684 0814 00309DE5 		ldr	r3, [sp]		//y2
ARM GAS  agra.s 			page 13


 685 0818 3C201BE5 		ldr	r2, [fp, #-60]	//y
 686 081c 030052E1 		cmp	r2, r3
 687 0820 0300000A 		beq	next
 688              	forTest:
 689 0824 54301BE5 		ldr	r3, [fp, #-84]	//dx1
 690 0828 10201BE5 		ldr	r2, [fp, #-16]	//i
 691 082c 030052E1 		cmp	r2, r3			//i<dx1
 692 0830 79FFFFBA 		blt	triLoop1
 693              	next:
 694              		//dx1 = (x3 - x2)
 695 0834 04209BE5 		ldr	r2, [fp, #4]
 696 0838 04309DE5 		ldr	r3, [sp, #4]
 697 083c 033042E0 		sub	r3, r2, r3
 698 0840 54300BE5 		str	r3, [fp, #-84]
 699              		//if(dx1<0)
 700 0844 000053E3 		cmp	r3, #0
 701 0848 050000AA 		bge	dx1G
 702              		//dx1=-dx1; signx1=-1
 703 084c 54301BE5 		ldr	r3, [fp, #-84]
 704 0850 003063E2 		rsb	r3, r3, #0
 705 0854 54300BE5 		str	r3, [fp, #-84]
 706 0858 0030E0E3 		mvn	r3, #0
 707 085c 20300BE5 		str	r3, [fp, #-32]
 708 0860 010000EA 		b	dy1Check
 709              	dx1G:
 710              		//signx1=1
 711 0864 0130A0E3 		mov	r3, #1
 712 0868 20300BE5 		str	r3, [fp, #-32]
 713              	dy1Check:
 714              		//dy1 = (y3 - y2)
 715 086c 08209BE5 		ldr	r2, [fp, #8]
 716 0870 00309DE5 		ldr	r3, [sp]
 717 0874 033042E0 		sub	r3, r2, r3
 718 0878 50300BE5 		str	r3, [fp, #-80]
 719              		//t1x=x2
 720 087c 04309DE5 		ldr	r3, [sp, #4]
 721 0880 44300BE5 		str	r3, [fp, #-68]
 722              		//if (dy1 > dx1)
 723 0884 50201BE5 		ldr	r2, [fp, #-80]
 724 0888 54301BE5 		ldr	r3, [fp, #-84]
 725 088c 030052E1 		cmp	r2, r3
 726 0890 050000DA 		ble	dy1S_2
 727              		//SWAP(&dy1,&dx1)
 728 0894 54104BE2 		sub	r1, fp, #84
 729 0898 50004BE2 		sub	r0, fp, #80
 730 089c FEFFFFEB 		bl	SWAP
 731              		//changed1 = 1
 732 08a0 0130A0E3 		mov	r3, #1
 733 08a4 28300BE5 		str	r3, [fp, #-40]
 734 08a8 010000EA 		b	for2
 735              	dy1S_2:
 736              		//changed1 = 0
 737 08ac 0030A0E3 		mov	r3, #0
 738 08b0 28300BE5 		str	r3, [fp, #-40]
 739              	for2:
 740              		//e1 = (dx1>>1)
 741 08b4 54301BE5 		ldr	r3, [fp, #-84]
ARM GAS  agra.s 			page 14


 742 08b8 C330A0E1 		asr	r3, r3, #1
 743 08bc 18300BE5 		str	r3, [fp, #-24]
 744              		//int i = 0
 745 08c0 0030A0E3 		mov	r3, #0
 746 08c4 0C300BE5 		str	r3, [fp, #-12]
 747 08c8 910000EA 		b	iCheck
 748              	triFor:
 749              		//t1xp=0; t2xp=0;
 750 08cc 0030A0E3 		mov	r3, #0
 751 08d0 30300BE5 		str	r3, [fp, #-48]
 752 08d4 0030A0E3 		mov	r3, #0
 753 08d8 2C300BE5 		str	r3, [fp, #-44]
 754              		//if(t1x<t2x)
 755 08dc 44201BE5 		ldr	r2, [fp, #-68]
 756 08e0 40301BE5 		ldr	r3, [fp, #-64]
 757 08e4 030052E1 		cmp	r2, r3
 758 08e8 040000AA 		bge	t1xL
 759              		//minx=t1x; maxx=t2x;
 760 08ec 44301BE5 		ldr	r3, [fp, #-68]
 761 08f0 38300BE5 		str	r3, [fp, #-56]
 762 08f4 40301BE5 		ldr	r3, [fp, #-64]
 763 08f8 34300BE5 		str	r3, [fp, #-52]
 764 08fc 230000EA 		b	triWhileCond4
 765              	t1xL:
 766              		//minx=t2x; maxx=t1x;
 767 0900 40301BE5 		ldr	r3, [fp, #-64]
 768 0904 38300BE5 		str	r3, [fp, #-56]
 769 0908 44301BE5 		ldr	r3, [fp, #-68]
 770 090c 34300BE5 		str	r3, [fp, #-52]
 771 0910 1E0000EA 		b	triWhileCond4
 772              	triWhile4:
 773              		//e1 += dy1
 774 0914 50301BE5 		ldr	r3, [fp, #-80]
 775 0918 18201BE5 		ldr	r2, [fp, #-24]
 776 091c 033082E0 		add	r3, r2, r3
 777 0920 18300BE5 		str	r3, [fp, #-24]
 778              		//e1 >= dx1
 779 0924 54301BE5 		ldr	r3, [fp, #-84]
 780 0928 18201BE5 		ldr	r2, [fp, #-24]
 781 092c 030052E1 		cmp	r2, r3
 782 0930 080000BA 		blt	triWhile5exit
 783              		//e1 -= dx1;
 784 0934 54301BE5 		ldr	r3, [fp, #-84]
 785 0938 18201BE5 		ldr	r2, [fp, #-24]
 786 093c 033042E0 		sub	r3, r2, r3
 787 0940 18300BE5 		str	r3, [fp, #-24]
 788              		//if (changed1)
 789 0944 28301BE5 		ldr	r3, [fp, #-40]
 790 0948 000053E3 		cmp	r3, #0
 791 094c 1400000A 		beq	next3
 792              		//t1xp=signx1
 793 0950 20301BE5 		ldr	r3, [fp, #-32]
 794 0954 30300BE5 		str	r3, [fp, #-48]
 795              	triWhile5exit:
 796              		//if (changed1)
 797 0958 28301BE5 		ldr	r3, [fp, #-40]
 798 095c 000053E3 		cmp	r3, #0
ARM GAS  agra.s 			page 15


 799 0960 0F00001A 		bne	next3
 800              		//t1x += signx1
 801 0964 44201BE5 		ldr	r2, [fp, #-68]
 802 0968 20301BE5 		ldr	r3, [fp, #-32]
 803 096c 033082E0 		add	r3, r2, r3
 804 0970 44300BE5 		str	r3, [fp, #-68]
 805              		//if(i<dx1)
 806 0974 54301BE5 		ldr	r3, [fp, #-84]
 807 0978 0C201BE5 		ldr	r2, [fp, #-12]
 808 097c 030052E1 		cmp	r2, r3
 809 0980 020000AA 		bge	triWhileCond4
 810              		//i++
 811 0984 0C301BE5 		ldr	r3, [fp, #-12]
 812 0988 013083E2 		add	r3, r3, #1
 813 098c 0C300BE5 		str	r3, [fp, #-12]
 814              	triWhileCond4:
 815              		//while(i<dx1)
 816 0990 54301BE5 		ldr	r3, [fp, #-84]
 817 0994 0C201BE5 		ldr	r2, [fp, #-12]
 818 0998 030052E1 		cmp	r2, r3
 819 099c DCFFFFBA 		blt	triWhile4
 820 09a0 FFFFFFEA 		b	next3
 821              	next3:
 822 09a4 180000EA 		b	triWhile5Cond
 823              	triWhile5:
 824              		//e2 += dy2;
 825 09a8 48301BE5 		ldr	r3, [fp, #-72]
 826 09ac 14201BE5 		ldr	r2, [fp, #-20]
 827 09b0 033082E0 		add	r3, r2, r3
 828 09b4 14300BE5 		str	r3, [fp, #-20]
 829 09b8 080000EA 		b	triWhile6Cond
 830              	triWhile6:
 831              		//e2 -= dx2
 832 09bc 4C301BE5 		ldr	r3, [fp, #-76]
 833 09c0 14201BE5 		ldr	r2, [fp, #-20]
 834 09c4 033042E0 		sub	r3, r2, r3
 835 09c8 14300BE5 		str	r3, [fp, #-20]
 836              		//if(changed2)
 837 09cc 24301BE5 		ldr	r3, [fp, #-36]
 838 09d0 000053E3 		cmp	r3, #0
 839 09d4 1100000A 		beq	next4
 840              		//t2xp=signx2
 841 09d8 1C301BE5 		ldr	r3, [fp, #-28]
 842 09dc 2C300BE5 		str	r3, [fp, #-44]
 843              	triWhile6Cond:
 844              		//(e2 >= dx2)
 845 09e0 4C301BE5 		ldr	r3, [fp, #-76]
 846 09e4 14201BE5 		ldr	r2, [fp, #-20]
 847 09e8 030052E1 		cmp	r2, r3
 848 09ec F2FFFFAA 		bge	triWhile6
 849              		//if (changed2)
 850 09f0 24301BE5 		ldr	r3, [fp, #-36]
 851 09f4 000053E3 		cmp	r3, #0
 852 09f8 0800001A 		bne	next4
 853              		//t2x += signx2
 854 09fc 40201BE5 		ldr	r2, [fp, #-64]
 855 0a00 1C301BE5 		ldr	r3, [fp, #-28]
ARM GAS  agra.s 			page 16


 856 0a04 033082E0 		add	r3, r2, r3
 857 0a08 40300BE5 		str	r3, [fp, #-64]
 858              	triWhile5Cond:
 859              		//while (t2x!=x3)
 860 0a0c 04309BE5 		ldr	r3, [fp, #4]
 861 0a10 40201BE5 		ldr	r2, [fp, #-64]
 862 0a14 030052E1 		cmp	r2, r3
 863 0a18 E2FFFF1A 		bne	triWhile5
 864 0a1c FFFFFFEA 		b	next4
 865              	next4:
 866              		//if(minx>t1x)
 867 0a20 38201BE5 		ldr	r2, [fp, #-56]
 868 0a24 44301BE5 		ldr	r3, [fp, #-68]
 869 0a28 030052E1 		cmp	r2, r3
 870 0a2c 010000DA 		ble	minxS3
 871              		//minx=t1x
 872 0a30 44301BE5 		ldr	r3, [fp, #-68]
 873 0a34 38300BE5 		str	r3, [fp, #-56]
 874              	minxS3:
 875              		//if(minx>t2x)
 876 0a38 38201BE5 		ldr	r2, [fp, #-56]
 877 0a3c 40301BE5 		ldr	r3, [fp, #-64]
 878 0a40 030052E1 		cmp	r2, r3
 879 0a44 010000DA 		ble	minxS4
 880              		//minx=t2x
 881 0a48 40301BE5 		ldr	r3, [fp, #-64]
 882 0a4c 38300BE5 		str	r3, [fp, #-56]
 883              	minxS4:
 884              		//if(maxx<t1x)
 885 0a50 34201BE5 		ldr	r2, [fp, #-52]
 886 0a54 44301BE5 		ldr	r3, [fp, #-68]
 887 0a58 030052E1 		cmp	r2, r3
 888 0a5c 010000AA 		bge	maxxL3
 889              		//maxx=t1x
 890 0a60 44301BE5 		ldr	r3, [fp, #-68]
 891 0a64 34300BE5 		str	r3, [fp, #-52]
 892              	maxxL3:
 893              		//if(maxx<t2x)
 894 0a68 34201BE5 		ldr	r2, [fp, #-52]
 895 0a6c 40301BE5 		ldr	r3, [fp, #-64]
 896 0a70 030052E1 		cmp	r2, r3
 897 0a74 010000AA 		bge	maxxL4
 898              		//maxx=t2x
 899 0a78 40301BE5 		ldr	r3, [fp, #-64]
 900 0a7c 34300BE5 		str	r3, [fp, #-52]
 901              	maxxL4:
 902              		//line(minx, y, maxx, y);
 903 0a80 3C301BE5 		ldr	r3, [fp, #-60]
 904 0a84 34201BE5 		ldr	r2, [fp, #-52]
 905 0a88 3C101BE5 		ldr	r1, [fp, #-60]
 906 0a8c 38001BE5 		ldr	r0, [fp, #-56]
 907 0a90 FEFFFFEB 		bl	line
 908              		//if(!changed1)
 909 0a94 28301BE5 		ldr	r3, [fp, #-40]
 910 0a98 000053E3 		cmp	r3, #0
 911 0a9c 0300001A 		bne	notChanged
 912              		//t1x += signx1;
ARM GAS  agra.s 			page 17


 913 0aa0 44201BE5 		ldr	r2, [fp, #-68]
 914 0aa4 20301BE5 		ldr	r3, [fp, #-32]
 915 0aa8 033082E0 		add	r3, r2, r3
 916 0aac 44300BE5 		str	r3, [fp, #-68]
 917              	notChanged:
 918              		// t1x+=t1xp;
 919 0ab0 44201BE5 		ldr	r2, [fp, #-68]
 920 0ab4 30301BE5 		ldr	r3, [fp, #-48]
 921 0ab8 033082E0 		add	r3, r2, r3
 922 0abc 44300BE5 		str	r3, [fp, #-68]
 923              		// if(!changed2)
 924 0ac0 24301BE5 		ldr	r3, [fp, #-36]
 925 0ac4 000053E3 		cmp	r3, #0
 926 0ac8 0300001A 		bne	notChanged2
 927              		//t2x += signx2
 928 0acc 40201BE5 		ldr	r2, [fp, #-64]
 929 0ad0 1C301BE5 		ldr	r3, [fp, #-28]
 930 0ad4 033082E0 		add	r3, r2, r3
 931 0ad8 40300BE5 		str	r3, [fp, #-64]
 932              	notChanged2:
 933              		//t2x+=t2xp
 934 0adc 40201BE5 		ldr	r2, [fp, #-64]
 935 0ae0 2C301BE5 		ldr	r3, [fp, #-44]
 936 0ae4 033082E0 		add	r3, r2, r3
 937 0ae8 40300BE5 		str	r3, [fp, #-64]
 938              		//y += 1
 939 0aec 3C301BE5 		ldr	r3, [fp, #-60]
 940 0af0 013083E2 		add	r3, r3, #1
 941 0af4 3C300BE5 		str	r3, [fp, #-60]
 942              		//if(y>y3)
 943 0af8 08309BE5 		ldr	r3, [fp, #8]
 944 0afc 3C201BE5 		ldr	r2, [fp, #-60]
 945 0b00 030052E1 		cmp	r2, r3
 946 0b04 060000CA 		bgt	return
 947 0b08 0C301BE5 		ldr	r3, [fp, #-12]
 948 0b0c 013083E2 		add	r3, r3, #1
 949 0b10 0C300BE5 		str	r3, [fp, #-12]
 950              	iCheck:
 951              		//i<=dx1
 952 0b14 54301BE5 		ldr	r3, [fp, #-84]
 953 0b18 0C201BE5 		ldr	r2, [fp, #-12]
 954 0b1c 030052E1 		cmp	r2, r3
 955 0b20 69FFFFDA 		ble	triFor
 956              	
 957              	return:
 958 0b24 04D04BE2 		sub	sp, fp, #4
 959 0b28 0048BDE8 		ldmfd sp!, {fp,lr}
 960 0b2c 1EFF2FE1 		bx lr
 961              		.size	triangleFill, .-triangleFill
 962              	
 963              	
 964              		.global	clear
 965              		.type	clear, %function
 966              	clear:
 967 0b30 00482DE9 		stmfd sp!, {fp,lr}
 968 0b34 04B08DE2 		add fp, sp, #4	// aizbidam fp, 1 vietu uz augsu no sp
 969 0b38 08D04DE2 		sub sp, sp, #8	//atbrivojam vel 2 vietas uz leju stekaa
ARM GAS  agra.s 			page 18


 970 0b3c FEFFFFEB 		bl FrameBufferGetWidth
 971 0b40 00008DE5 		str r0, [sp]	// saglabajam r0 (FrameWidth) stekaa
 972 0b44 FEFFFFEB 		bl FrameBufferGetHeight
 973 0b48 04008DE5 		str r0, [sp, #4]	// saglabajam r0 (FrameHeight) stekaa
 974              	
 975 0b4c FEFFFFEB 		bl FrameBufferGetAddress
 976 0b50 0010A0E3 		mov r1, #0		//counter i (height)
 977 0b54 0020A0E3 		mov r2, #0		//counter j (width)
 978 0b58 0040A0E3 		mov r4, #0x00000000 //notirisanai
 979              		loop1:
 980 0b5c 0020A0E3 			mov r2, #0
 981              		loop2:
 982 0b60 00309DE5 			ldr r3, [sp]	// ielade FrameWidth no steka
 983 0b64 910303E0 			mul r3, r1, r3		//i*FrameWidth
 984 0b68 033082E0 			add r3, r2, r3		// +j
 985 0b6c 034080E7 			str r4, [r0, r3]	//r4 = buffer[i*FrameWidth+j]
 986              		test2:
 987 0b70 042082E2 			add r2, #4 // counter j + 4
 988 0b74 00309DE5 			ldr r3, [sp]	// ielade FrameWidth
 989 0b78 220153E1 			cmp r3, r2, lsr #2 // vai count < counter/4
 990 0b7c F7FFFF8A 			bhi loop2
 991              		test1:
 992 0b80 041081E2 			add r1, #4 // counter i + 4
 993 0b84 04309DE5 			ldr r3, [sp, #4]	// ielade FrameHeight
 994 0b88 210153E1 			cmp r3, r1, lsr #2 // vai count < counter/4
 995 0b8c F2FFFF8A 			bhi loop1
 996              	
 997 0b90 04D04BE2 		sub sp, fp, #4	// aizbidam sp, 1 vietu uz leju no fp
 998 0b94 0048BDE8 		ldmfd sp!, {fp,lr}
 999 0b98 0000A0E3 		mov r0, #0
 1000 0b9c 1EFF2FE1 		bx lr
 1001              		.size	clear, .-clear
 1002              	
 1003              	
 1004 0ba0 00000000 	color_addr: .word color_op
 1005 0ba4 04000000 	clean_addr: .word clean_flag
 1006              	
 1007              		.data
 1008              	color_op:
 1009 0000 00000000 		.word 0x00000000
 1010              	clean_flag:
 1011 0004 00       		.byte 0x00...