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djtreble
33 years old
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Brisbane
Born May-5-1980
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Joined: 3-August 04
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Last Seen: 22nd April 2006 - 06:18 PM
Local Time: Jun 19 2013, 09:24 AM
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24 Feb 2005
I find myself in Brisbane, needing a CF wifi card for a C860 running pdaxrom.
Any good buys? Trusted suppliers? Any info appreciated. Cheers Dan
27 Dec 2004
Traveling the world for a year with my Z, I fill the gaps by slowly turning the assembly into c code. Currently in Sydney. It'll take me ages, I'm on file 3 of 26, it's a mess and needs cleaning up bit by bit.
Anyone else want to help me?! Anyone care? Would anyone like to set me up some cvs for it? Here's a highlight from file 2 to wet your whistle! CODE void SwitchToNon2DMode(char in1, unsigned char in2)
{ unsigned char* clpgDrvState = (unsigned char*)lpgDrvState; //short* slpgDrvState = (short*)lpgDrvState; dp_gui_master_cntl_u *dpGuiMasterCntl = (dp_gui_master_cntl_u *)&lpgDrvState[0x68/sizeof(unsigned int)]; //if(clpgDrvState[0x6b] & 0x80) if(dpGuiMasterCntl->f.gmc_dp_op == DP_PIX_ORDER_LSB2MSB) { if(in1 == 0) { return; } } else { if(in1 == 1) { return; } } lpgDrvState[mmPLL_REF_FB_DIV / sizeof(unsigned int)] = 0x0; if(in1 != 0) { //clpgDrvState[0x6b] |= 0x80; dpGuiMasterCntl->f.gmc_dp_op = DP_OP_ARITHMETIC; //unk_432B10 = (clpgDrvState[0x69] >> 4) & 0x7; unk_432B10 = dpGuiMasterCntl->f.gmc_src_datatype; //unk_432B14 = (unsigned char)(slpgDrvState[0x6A / sizeof(short)] >> 1); unk_432B14 = dpGuiMasterCntl->f.gmc_rop3; PM4_SubmitPacket0(0, mmDEBUG1,1,&clpgDrvState[mmCP_ME_RAM_DATAH]); ResetGUIEngine(); } else { PM4_SubmitPacket0(0, mmDEBUG1,1,&clpgDrvState[mmCP_ME_RAM_DATAH]); //clpgDrvState[0x6b] &= 0x7F; dpGuiMasterCntl->f.gmc_dp_op = DP_OP_ROP; //clpgDrvState[0x69] = (clpgDrvState[0x69] & ~0x70) | ((unk_432B10 & 7) << 4); dpGuiMasterCntl->f.gmc_src_datatype = unk_432B10; //unsigned char lr = slpgDrvState[0x6A / sizeof(short)] = (((slpgDrvState[0x6A / sizeof(short)] & ~0x1FC) & ~0x2) | unk_432B14 << 1); dpGuiMasterCntl->f.gmc_rop3 = unk_432B14; //unsigned char r12 = (clpgDrvState[0x69] >> 4) & 0x7; //unsigned char r4 = clpgDrvState[0x69] << 7; dp_datatype_u dpDatatype; //unsigned int r2 = ((clpgDrvState[0x68] >> 4 ) << 8 ) | (clpgDrvState[0x69] & 0xf) | (r12 << 13) | (r12 << 16) | (r4 << 30); dpDatatype.f.dp_brush_datatype = dpGuiMasterCntl->f.gmc_brush_datatype; dpDatatype.f.dp_dst_datatype = dpGuiMasterCntl->f.gmc_dst_datatype; dpDatatype.f.dp_src2_datatype = dpGuiMasterCntl->f.gmc_src_datatype; dpDatatype.f.dp_src_datatype = dpGuiMasterCntl->f.gmc_src_datatype; dpDatatype.f.dp_byte_pix_order = dpGuiMasterCntl->f.gmc_dp_op; dp_mix_u dpMix; //unsigned int foo = ((((((0 & ~0x700 | (((clpgDrvState[0x6B] >> 1) & 0x7 ) << 8)) & ~0x2800) | 0x1000) & ~0xff0000) | lr << 16 ) & ~0x1000000 ) | ((clpgDrvState[0x6B] >> 7) << 24); dpMix.f.dp_src_source = dpGuiMasterCntl->f.gmc_dp_src_source; dpMix.f.dp_src2_source = DP_SRC_MEM_RECTANGULAR; //(dpMix.f.dp_src2_source & ~5) | 2; //strange dpMix.f.dp_rop3 = dpGuiMasterCntl->f.gmc_rop3; dpMix.f.dp_op = dpGuiMasterCntl->f.gmc_dp_op; PM4_SubmitPacket1(0,mmDP_DATATYPE,dpDatatype.val,mmDP_MIX,dpMix.val); } if(clpgDrvState[0xA2] != 0) { while( AtiCore_WaitComplete(0x64) == 0) { } //debug1_u debug1; unsigned int debug1; ReadRegDirect(0,mmDEBUG1,4,&debug1); if(in1 != 0) { debug1 |= 0x4000; if(dpGuiMasterCntl->f.gmc_src_datatype == DP_SRC_COLOR_SAME_AS_DST) { debug1 |= 1<<16; } if(in2 != 0) { debug1 |= 1<<17; } else { debug1 |= in2<<17; } } else { debug1 &= ~0x7000; } WriteRegDirect(0,mmDEBUG1,4,&debug1); lpgDrvState[mmCP_ME_RAM_DATAH] = debug1; } else { PM4_SubmitPacket0(0, mmDEBUG1,1,&clpgDrvState[mmCP_ME_RAM_DATAH]); } lpgDrvState[mmCP_ME_RAM_DATAL] &= ~0x1; }
27 Dec 2004
Bored of reverse engineering, I decided to muck about with the extra instructions intel added. Unfortunatly I get an illegal instruction, when executing this:
CODE #include <stdio.h> unsigned int getAccLo ( void ) { unsigned int accHi; unsigned int accLo; asm ( "MRA %0, %1, acc0" :"=r"(accLo),"=r"(accHi) : ); return accLo; } int main (int argc, char *argv[]) { printf("lo : %d \n", getAccLo()); return 1; } Probably needs the kernel to enable something. Downloading the pxa255 datasheets...
8 Oct 2004
gaim still crashes sending a message in msn :-(
I'll try and debug if I get a chance.
29 Sep 2004
Downloaded http://mirror1.pdaxrom.org/zgcc-3.3.2.img .
Instructions: QUOTE Quick install instructions: Put the file in /home/root and reboot Sounds too good to be true and sure enough nothing happened. QUOTE or manually mount the file to /opt/arm/3.3.2 #mount /home/root/zgcc-3.3.2.img /opt/arm/3.3.2/ mount: /home/root/zgcc-3.3.2.img is not a block device (maybe try '-o loop') #mount -o loop /home/root/zgcc-3.3.2.img /opt/arm/3.3.2/ mount: you must specify a filesystem type #mount -o loop -t cramfs /home/root/zgcc-3.3.2.img /opt/arm/3.3.2/ mount: wrong fs type What next? Sorry if I'm being really dense. Cheers Dan |
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