Betty init
From Bettyhacks.com - Hack BettyTV-Remote
(init routines of the original betty firmware) |
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| Line 9: | Line 9: | ||
values shown are for R0=64<br> | values shown are for R0=64<br> | ||
<br> | <br> | ||
| − | CS0:80000BF4 pause ; CODE XREF: sub_80000C98+40�p | + | <pre> |
| − | CS0:80000BF4 ; initLCD+24�p ... | + | CS0:80000BF4 pause ; CODE XREF: sub_80000C98+40�p |
| + | CS0:80000BF4 ; initLCD+24�p ... | ||
CS0:80000BF4 LDR R2, =T0IR<br> | CS0:80000BF4 LDR R2, =T0IR<br> | ||
CS0:80000BF8 MOV R3, #0<br> | CS0:80000BF8 MOV R3, #0<br> | ||
CS0:80000BFC STR R3, [R2,#0x10]<br> | CS0:80000BFC STR R3, [R2,#0x10]<br> | ||
| − | CS0:80000C00 ADD R0, R0, R0,LSL#2 -> (64*4)+64 = 320 | + | CS0:80000C00 ADD R0, R0, R0,LSL#2 -> (64*4)+64 = 320 |
CS0:80000C04 ADD R3, R3, #2<br> | CS0:80000C04 ADD R3, R3, #2<br> | ||
CS0:80000C08 STR R3, [R2,#4]<br> | CS0:80000C08 STR R3, [R2,#4]<br> | ||
| − | CS0:80000C0C ADD R0, R0, R0,LSL#2 -> (320*4)+320 = 1600 | + | CS0:80000C0C ADD R0, R0, R0,LSL#2 -> (320*4)+320 = 1600 |
CS0:80000C10 SUB R3, R3, #1<br> | CS0:80000C10 SUB R3, R3, #1<br> | ||
| − | CS0:80000C14 RSB R0, R0, R0,LSL#4 -> (1600*16)-1600 = 24000 | + | CS0:80000C14 RSB R0, R0, R0,LSL#4 -> (1600*16)-1600 = 24000 |
CS0:80000C18 STR R3, [R2,#4]<br> | CS0:80000C18 STR R3, [R2,#4]<br> | ||
CS0:80000C1C MOV R0, R0,LSL R3 -> 24000*8 = 192000<br> | CS0:80000C1C MOV R0, R0,LSL R3 -> 24000*8 = 192000<br> | ||
| Line 30: | Line 31: | ||
CS0:80000C30 MOV R3, #2<br> | CS0:80000C30 MOV R3, #2<br> | ||
CS0:80000C34 STR R3, [R2,#4]<br> | CS0:80000C34 STR R3, [R2,#4]<br> | ||
| − | CS0:80000C38 ; End of function pause<br> | + | CS0:80000C38 ; End of function pause |
| + | </pre> | ||
| + | <br> | ||
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