Arm Development Studio forum ads problem

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ads problem

LI JUN over 12 years ago

Note: This was originally posted on 26th April 2010 at http://forums.arm.com

code:
void __irq IRQ_Timer(void)
{

[0xe92d503f]   stmfd    r13!,{r0-r5,r12,r14}

           if((IO0PIN&U0)&&(T1IR&0x40))
[0xe59f39ac]   [color="#FF0000"]ldr      r3,0x0000132c ; = #0xe0028000[/color]
[0xe5930000]   [color="#FF0000"]ldr      r0,[r3,#0][/color]
[0xe3100b80]   tst      r0,#0x20000
[0xe59f099c]   ldr      r0,0x00001328 ; = #0x40000004
[0xe3a0c055]   mov      r12,#0x55
[0xe2431b80] [color="#FF0000"] sub      r1,r3,#0x20000[/color]
[0x0a000014]   beq      0x9e8 ; (IRQ_Timer + 0x74)
[0xe5912000]   ldr      r2,[r1,#0]
[0xe3120040]   tst      r2,#0x40
[0x0a000011]   beq      0x9e8 ; (IRQ_Timer + 0x74)

ram data:
0x00001320 E000C000 E0034000 40000004 [color="#FF0000"]E0028000[/color]
0x00001330 00003092 00002710 40000044 000008D4
0x00001340 4000001C 40000000 00000974 000030A2

i have defined the[color="#FF0000"] T1IR [/color]and [color="#FF0000"]IO0PIN[/color] by macro,but i find the mcu gets the register address from ram , please look at the ram data.and i use the lpc2138.
please help me!