gui.s

ICCAVR编写128*64液晶程序测试已经通过

	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+49
	ldd R3,z+50
	ldd R4,z+51
	ldd R5,z+52
	cp R2,R20
	cpc R3,R21
	cpc R4,R22
	cpc R5,R23
	brlt L73
	.dbline 514
;       GUI_Point(draw_x5, draw_y5, color);		// 180度   
	std y+0,R10
	movw R30,R28
	ldd R18,z+17
	movw R30,R28
	ldd R16,z+49
	xcall _GUI_Point
L73:
	.dbline 515
;    if(1==r)
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	subi R30,149  ; addi 107
	sbci R31,255
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	cp R2,R20
	cpc R3,R21
	cpc R4,R22
	cpc R5,R23
	brne L75
	.dbline 516
;       return;					        // 若半径为1，则已圆画完
	xjmp L64
L75:
	.dbline 519
; 
;    /* 使用Bresenham法进行画圆 */
;    di = 3 - 2*r;					// 初始化决策变量
	movw R30,R28
	subi R30,149  ; addi 107
	sbci R31,255
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	ldi R20,2
	ldi R21,0
	ldi R22,0
	ldi R23,0
	st -y,R5
	st -y,R4
	st -y,R3
	st -y,R2
	movw R16,R20
	movw R18,R22
	xcall empy32u
	ldi R20,3
	ldi R21,0
	ldi R22,0
	ldi R23,0
	sub R20,R16
	sbc R21,R17
	sbc R22,R18
	sbc R23,R19
	movw R30,R28
	subi R30,183  ; addi 73
	sbci R31,255
	std z+0,R20
	std z+1,R21
	std z+2,R22
	std z+3,R23
	.dbline 521
;    
;    xx = 0;
	ldi R20,0
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	std z+1,R20
	std z+2,R21
	std z+3,R22
	std z+4,R23
	.dbline 522
;    yy = r;	
	movw R30,R28
	subi R30,149  ; addi 107
	sbci R31,255
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	movw R30,R28
	subi R30,187  ; addi 69
	sbci R31,255
	std z+0,R2
	std z+1,R3
	std z+2,R4
	std z+3,R5
	xjmp L78
L77:
	.dbline 524
;    while(xx<yy)
;    {
	.dbline 525
;       if(di<0)
	ldi R20,0
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	subi R30,183  ; addi 73
	sbci R31,255
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	cp R2,R20
	cpc R3,R21
	cpc R4,R22
	cpc R5,R23
	brge L80
	.dbline 526
;       {
	.dbline 527
;          di += 4*xx + 6;
	movw R30,R28
	ldd R2,z+1
	ldd R3,z+2
	ldd R4,z+3
	ldd R5,z+4
	ldi R20,4
	ldi R21,0
	ldi R22,0
	ldi R23,0
	st -y,R5
	st -y,R4
	st -y,R3
	st -y,R2
	movw R16,R20
	movw R18,R22
	xcall empy32s
	ldi R20,6
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R2,R16
	movw R4,R18
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	subi R30,183  ; addi 73
	sbci R31,255
	ldd R6,z+0
	ldd R7,z+1
	ldd R8,z+2
	ldd R9,z+3
	add R6,R2
	adc R7,R3
	adc R8,R4
	adc R9,R5
	movw R30,R28
	subi R30,183  ; addi 73
	sbci R31,255
	std z+0,R6
	std z+1,R7
	std z+2,R8
	std z+3,R9
	.dbline 528
;       }
	xjmp L81
L80:
	.dbline 530
;       else
;       {
	.dbline 531
;          di += 4*(xx - yy) + 10;
	movw R30,R28
	subi R30,187  ; addi 69
	sbci R31,255
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	movw R30,R28
	ldd R6,z+1
	ldd R7,z+2
	ldd R8,z+3
	ldd R9,z+4
	sub R6,R2
	sbc R7,R3
	sbc R8,R4
	sbc R9,R5
	ldi R20,4
	ldi R21,0
	ldi R22,0
	ldi R23,0
	st -y,R9
	st -y,R8
	st -y,R7
	st -y,R6
	movw R16,R20
	movw R18,R22
	xcall empy32s
	movw R2,R16
	movw R4,R18
	ldi R20,10
	ldi R21,0
	ldi R22,0
	ldi R23,0
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	subi R30,183  ; addi 73
	sbci R31,255
	ldd R6,z+0
	ldd R7,z+1
	ldd R8,z+2
	ldd R9,z+3
	add R6,R2
	adc R7,R3
	adc R8,R4
	adc R9,R5
	movw R30,R28
	subi R30,183  ; addi 73
	sbci R31,255
	std z+0,R6
	std z+1,R7
	std z+2,R8
	std z+3,R9
	.dbline 533
; 	  
;          yy--;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	subi R30,187  ; addi 69
	sbci R31,255
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	sub R2,R20
	sbc R3,R21
	sbc R4,R22
	sbc R5,R23
	movw R30,R28
	subi R30,187  ; addi 69
	sbci R31,255
	std z+0,R2
	std z+1,R3
	std z+2,R4
	std z+3,R5
	.dbline 534
;          draw_y0--;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+37
	ldd R3,z+38
	ldd R4,z+39
	ldd R5,z+40
	sub R2,R20
	sbc R3,R21
	sbc R4,R22
	sbc R5,R23
	movw R30,R28
	std z+37,R2
	std z+38,R3
	std z+39,R4
	std z+40,R5
	.dbline 535
;          draw_y1--;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+53
	ldd R3,z+54
	ldd R4,z+55
	ldd R5,z+56
	sub R2,R20
	sbc R3,R21
	sbc R4,R22
	sbc R5,R23
	movw R30,R28
	std z+53,R2
	std z+54,R3
	std z+55,R4
	std z+56,R5
	.dbline 536
;          draw_y2++;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+41
	ldd R3,z+42
	ldd R4,z+43
	ldd R5,z+44
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	std z+41,R2
	std z+42,R3
	std z+43,R4
	std z+44,R5
	.dbline 537
;          draw_y3++;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+57
	ldd R3,z+58
	ldd R4,z+59
	ldd R5,z+60
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	std z+57,R2
	std z+58,R3
	std z+59,R4
	std z+60,R5
	.dbline 538
;          draw_x4--;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+45
	ldd R3,z+46
	ldd R4,z+47
	ldd R5,z+48
	sub R2,R20
	sbc R3,R21
	sbc R4,R22
	sbc R5,R23
	movw R30,R28
	std z+45,R2
	std z+46,R3
	std z+47,R4
	std z+48,R5
	.dbline 539
;          draw_x5++;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+49
	ldd R3,z+50
	ldd R4,z+51
	ldd R5,z+52
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	std z+49,R2
	std z+50,R3
	std z+51,R4
	std z+52,R5
	.dbline 540
;          draw_x6--;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	adiw R30,61
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	sub R2,R20
	sbc R3,R21
	sbc R4,R22
	sbc R5,R23
	movw R30,R28
	adiw R30,61
	std z+0,R2
	std z+1,R3
	std z+2,R4
	std z+3,R5
	.dbline 541
;          draw_x7++;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	subi R30,191  ; addi 65
	sbci R31,255
	ldd R2,z+0
	ldd R3,z+1
	ldd R4,z+2
	ldd R5,z+3
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	subi R30,191  ; addi 65
	sbci R31,255
	std z+0,R2
	std z+1,R3
	std z+2,R4
	std z+3,R5
	.dbline 542
;       }
L81:
	.dbline 544
; 	  
;       xx++;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+1
	ldd R3,z+2
	ldd R4,z+3
	ldd R5,z+4
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	std z+1,R2
	std z+2,R3
	std z+3,R4
	std z+4,R5
	.dbline 545
;       draw_x0++;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+5
	ldd R3,z+6
	ldd R4,z+7
	ldd R5,z+8
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	std z+5,R2
	std z+6,R3
	std z+7,R4
	std z+8,R5
	.dbline 546
;       draw_x1--;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+21
	ldd R3,z+22
	ldd R4,z+23
	ldd R5,z+24
	sub R2,R20
	sbc R3,R21
	sbc R4,R22
	sbc R5,R23
	movw R30,R28
	std z+21,R2
	std z+22,R3
	std z+23,R4
	std z+24,R5
	.dbline 547
;       draw_x2++;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+9
	ldd R3,z+10
	ldd R4,z+11
	ldd R5,z+12
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	std z+9,R2
	std z+10,R3
	std z+11,R4
	std z+12,R5
	.dbline 548
;       draw_x3--;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+25
	ldd R3,z+26
	ldd R4,z+27
	ldd R5,z+28
	sub R2,R20
	sbc R3,R21
	sbc R4,R22
	sbc R5,R23
	movw R30,R28
	std z+25,R2
	std z+26,R3
	std z+27,R4
	std z+28,R5
	.dbline 549
;       draw_y4++;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+13
	ldd R3,z+14
	ldd R4,z+15
	ldd R5,z+16
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	std z+13,R2
	std z+14,R3
	std z+15,R4
	std z+16,R5
	.dbline 550
;       draw_y5++;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+17
	ldd R3,z+18
	ldd R4,z+19
	ldd R5,z+20
	add R2,R20
	adc R3,R21
	adc R4,R22
	adc R5,R23
	movw R30,R28
	std z+17,R2
	std z+18,R3
	std z+19,R4
	std z+20,R5
	.dbline 551
;       draw_y6--;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+29
	ldd R3,z+30
	ldd R4,z+31
	ldd R5,z+32
	sub R2,R20
	sbc R3,R21
	sbc R4,R22
	sbc R5,R23
	movw R30,R28
	std z+29,R2
	std z+30,R3
	std z+31,R4
	std z+32,R5
	.dbline 552
;       draw_y7--;
	ldi R20,1
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+33
	ldd R3,z+34
	ldd R4,z+35
	ldd R5,z+36
	sub R2,R20
	sbc R3,R21
	sbc R4,R22
	sbc R5,R23
	movw R30,R28
	std z+33,R2
	std z+34,R3
	std z+35,R4
	std z+36,R5
	.dbline 555
; 	
;       /* 要判断当前点是否在有效范围内 */
;       if( (draw_x0<=GUI_LCM_XMAX)&&(draw_y0>=0) )
	ldi R20,128
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+5
	ldd R3,z+6
	ldd R4,z+7
	ldd R5,z+8
	cp R20,R2
	cpc R21,R3
	cpc R22,R4
	cpc R23,R5
	brlt L82
	ldi R20,0
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+37
	ldd R3,z+38
	ldd R4,z+39
	ldd R5,z+40
	cp R2,R20
	cpc R3,R21
	cpc R4,R22
	cpc R5,R23
	brlt L82
	.dbline 556
;       {
	.dbline 557
;          GUI_Point(draw_x0, draw_y0, color);
	std y+0,R10
	movw R30,R28
	ldd R18,z+37
	movw R30,R28
	ldd R16,z+5
	xcall _GUI_Point
	.dbline 558
;       }
L82:
	.dbline 559
;       if( (draw_x1>=0)&&(draw_y1>=0) )
	ldi R20,0
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+21
	ldd R3,z+22
	ldd R4,z+23
	ldd R5,z+24
	cp R2,R20
	cpc R3,R21
	cpc R4,R22
	cpc R5,R23
	brlt L84
	ldi R20,0
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+53
	ldd R3,z+54
	ldd R4,z+55
	ldd R5,z+56
	cp R2,R20
	cpc R3,R21
	cpc R4,R22
	cpc R5,R23
	brlt L84
	.dbline 560
;       {
	.dbline 561
;          GUI_Point(draw_x1, draw_y1, color);
	std y+0,R10
	movw R30,R28
	ldd R18,z+53
	movw R30,R28
	ldd R16,z+21
	xcall _GUI_Point
	.dbline 562
;       }
L84:
	.dbline 563
;       if( (draw_x2<=GUI_LCM_XMAX)&&(draw_y2<=GUI_LCM_YMAX) )
	ldi R20,128
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+9
	ldd R3,z+10
	ldd R4,z+11
	ldd R5,z+12
	cp R20,R2
	cpc R21,R3
	cpc R22,R4
	cpc R23,R5
	brlt L86
	ldi R20,64
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+41
	ldd R3,z+42
	ldd R4,z+43
	ldd R5,z+44
	cp R20,R2
	cpc R21,R3
	cpc R22,R4
	cpc R23,R5
	brlt L86
	.dbline 564
;       {
	.dbline 565
;          GUI_Point(draw_x2, draw_y2, color);
	std y+0,R10
	movw R30,R28
	ldd R18,z+41
	movw R30,R28
	ldd R16,z+9
	xcall _GUI_Point
	.dbline 566
;       }
L86:
	.dbline 567
;       if( (draw_x3>=0)&&(draw_y3<=GUI_LCM_YMAX) )
	ldi R20,0
	ldi R21,0
	ldi R22,0
	ldi R23,0
	movw R30,R28
	ldd R2,z+25
	ldd R3,z+26
	ldd R4,z+27
	ldd R5,z+28
	cp R2,R20
	cpc R3,R21
	cpc R4,R22