ppsspp/GPU/GeDisasm.cpp

782 lines
18 KiB
C++

// Copyright (c) 2012- PPSSPP Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0 or later versions.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official git repository and contact information can be found at
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
#include "../Core/MemMap.h"
#include "GPUState.h"
#include "ge_constants.h"
void GeDisassembleOp(u32 pc, u32 op, u32 prev, char *buffer) {
u32 cmd = op >> 24;
u32 data = op & 0xFFFFFF;
// Handle control and drawing commands here directly. The others we delegate.
switch (cmd)
{
case GE_CMD_BASE:
sprintf(buffer, "BASE: %06x", data & 0xFFFFFF);
break;
case GE_CMD_VADDR: /// <<8????
sprintf(buffer, "VADDR: %06x", gstate_c.vertexAddr);
break;
case GE_CMD_IADDR:
sprintf(buffer, "IADDR: %06x", gstate_c.indexAddr);
break;
case GE_CMD_PRIM:
{
u32 count = data & 0xFFFF;
u32 type = data >> 16;
static const char* types[7] = {
"POINTS",
"LINES",
"LINE_STRIP",
"TRIANGLES",
"TRIANGLE_STRIP",
"TRIANGLE_FAN",
"RECTANGLES",
};
sprintf(buffer, "DrawPrim type: %s count: %i vaddr= %08x, iaddr= %08x", type < 7 ? types[type] : "INVALID", count, gstate_c.vertexAddr, gstate_c.indexAddr);
}
break;
// The arrow and other rotary items in Puzbob are bezier patches, strangely enough.
case GE_CMD_BEZIER:
{
int bz_ucount = data & 0xFF;
int bz_vcount = (data >> 8) & 0xFF;
sprintf(buffer, "DRAW BEZIER: %i x %i", bz_ucount, bz_vcount);
}
break;
case GE_CMD_SPLINE:
{
int sp_ucount = data & 0xFF;
int sp_vcount = (data >> 8) & 0xFF;
int sp_utype = (data >> 16) & 0x3;
int sp_vtype = (data >> 18) & 0x3;
sprintf(buffer, "DRAW SPLINE: %i x %i, %i x %i", sp_ucount, sp_vcount, sp_utype, sp_vtype);
}
break;
case GE_CMD_JUMP:
{
u32 target = (((gstate.base & 0x00FF0000) << 8) | (op & 0xFFFFFC)) & 0x0FFFFFFF;
sprintf(buffer, "CMD JUMP - %08x to %08x", pc, target);
}
break;
case GE_CMD_CALL:
{
u32 retval = pc + 4;
u32 target = gstate_c.getJumpAddress(op & 0xFFFFFF);
sprintf(buffer, "CMD CALL - %08x to %08x, ret=%08x", pc, target, retval);
}
break;
case GE_CMD_RET:
sprintf(buffer, "CMD RET");
break;
case GE_CMD_SIGNAL:
sprintf(buffer, "GE_CMD_SIGNAL %06x", data);
break;
case GE_CMD_FINISH:
sprintf(buffer, "CMD FINISH %06x", data);
break;
case GE_CMD_END:
sprintf(buffer, "CMD END");
switch (prev >> 24)
{
case GE_CMD_SIGNAL:
{
// TODO: see http://code.google.com/p/jpcsp/source/detail?r=2935#
int behaviour = (prev >> 16) & 0xFF;
int signal = prev & 0xFFFF;
int enddata = data & 0xFFFF;
// We should probably defer to sceGe here, no sense in implementing this stuff in every GPU
switch (behaviour) {
case 1: // Signal with Wait
sprintf(buffer, "Signal with Wait UNIMPLEMENTED! signal/end: %04x %04x", signal, enddata);
break;
case 2:
sprintf(buffer, "Signal without wait. signal/end: %04x %04x", signal, enddata);
break;
case 3:
sprintf(buffer, "Signal with Pause UNIMPLEMENTED! signal/end: %04x %04x", signal, enddata);
break;
case 0x10:
sprintf(buffer, "Signal with Jump UNIMPLEMENTED! signal/end: %04x %04x", signal, enddata);
break;
case 0x11:
sprintf(buffer, "Signal with Call UNIMPLEMENTED! signal/end: %04x %04x", signal, enddata);
break;
case 0x12:
sprintf(buffer, "Signal with Return UNIMPLEMENTED! signal/end: %04x %04x", signal, enddata);
break;
default:
sprintf(buffer, "UNKNOWN Signal UNIMPLEMENTED %i ! signal/end: %04x %04x", behaviour, signal, enddata);
break;
}
}
break;
case GE_CMD_FINISH:
break;
default:
sprintf(buffer, "Ah, not finished: %06x", prev & 0xFFFFFF);
break;
}
break;
case GE_CMD_BJUMP:
// bounding box jump. Let's just not jump, for now.
sprintf(buffer, "BBOX JUMP - unimplemented");
break;
case GE_CMD_BOUNDINGBOX:
// bounding box test. Let's do nothing.
sprintf(buffer, "BBOX TEST - unimplemented");
break;
case GE_CMD_ORIGIN:
sprintf(buffer, "Origin: %06x", data);
break;
case GE_CMD_VERTEXTYPE:
sprintf(buffer, "SetVertexType: %06x", data);
break;
case GE_CMD_OFFSETADDR:
sprintf(buffer, "OffsetAddr: %06x", data);
break;
case GE_CMD_REGION1:
{
int x1 = data & 0x3ff;
int y1 = data >> 10;
//topleft
sprintf(buffer, "Region TL: %d %d", x1, y1);
}
break;
case GE_CMD_REGION2:
{
int x2 = data & 0x3ff;
int y2 = data >> 10;
sprintf(buffer, "Region BR: %d %d", x2, y2);
}
break;
case GE_CMD_CLIPENABLE:
sprintf(buffer, "Clip Enable: %i", data);
break;
case GE_CMD_CULLFACEENABLE:
sprintf(buffer, "CullFace Enable: %i", data);
break;
case GE_CMD_TEXTUREMAPENABLE:
sprintf(buffer, "Texture map enable: %i", data);
break;
case GE_CMD_LIGHTINGENABLE:
sprintf(buffer, "Lighting enable: %i", data);
break;
case GE_CMD_FOGENABLE:
sprintf(buffer, "Fog Enable: %i", data);
break;
case GE_CMD_DITHERENABLE:
sprintf(buffer, "Dither Enable: %i", data);
break;
case GE_CMD_OFFSETX:
sprintf(buffer, "Offset X: %i", data);
break;
case GE_CMD_OFFSETY:
sprintf(buffer, "Offset Y: %i", data);
break;
case GE_CMD_TEXSCALEU:
sprintf(buffer, "Texture U Scale: %f", gstate_c.uScale);
break;
case GE_CMD_TEXSCALEV:
sprintf(buffer, "Texture V Scale: %f", gstate_c.vScale);
break;
case GE_CMD_TEXOFFSETU:
sprintf(buffer, "Texture U Offset: %f", gstate_c.uOff);
break;
case GE_CMD_TEXOFFSETV:
sprintf(buffer, "Texture V Offset: %f", gstate_c.vOff);
break;
case GE_CMD_SCISSOR1:
{
int x1 = data & 0x3ff;
int y1 = data >> 10;
sprintf(buffer, "Scissor TL: %i, %i", x1,y1);
}
break;
case GE_CMD_SCISSOR2:
{
int x2 = data & 0x3ff;
int y2 = data >> 10;
sprintf(buffer, "Scissor BR: %i, %i", x2, y2);
}
break;
case GE_CMD_MINZ:
{
float zMin = getFloat24(data) / 65535.f;
sprintf(buffer, "MinZ: %f", zMin);
}
break;
case GE_CMD_MAXZ:
{
float zMax = getFloat24(data) / 65535.f;
sprintf(buffer, "MaxZ: %f", zMax);
}
break;
case GE_CMD_FRAMEBUFPTR:
{
u32 ptr = op & 0xFFE000;
sprintf(buffer, "FramebufPtr: %08x", ptr);
}
break;
case GE_CMD_FRAMEBUFWIDTH:
{
sprintf(buffer, "FramebufWidth: %i", data);
}
break;
case GE_CMD_FRAMEBUFPIXFORMAT:
sprintf(buffer, "FramebufPixeFormat: %i", data);
break;
case GE_CMD_TEXADDR0:
case GE_CMD_TEXADDR1:
case GE_CMD_TEXADDR2:
case GE_CMD_TEXADDR3:
case GE_CMD_TEXADDR4:
case GE_CMD_TEXADDR5:
case GE_CMD_TEXADDR6:
case GE_CMD_TEXADDR7:
sprintf(buffer, "Texture address %i: %06x", cmd-GE_CMD_TEXADDR0, data);
break;
case GE_CMD_TEXBUFWIDTH0:
case GE_CMD_TEXBUFWIDTH1:
case GE_CMD_TEXBUFWIDTH2:
case GE_CMD_TEXBUFWIDTH3:
case GE_CMD_TEXBUFWIDTH4:
case GE_CMD_TEXBUFWIDTH5:
case GE_CMD_TEXBUFWIDTH6:
case GE_CMD_TEXBUFWIDTH7:
sprintf(buffer, "Texture BUFWIDTHess %i: %06x", cmd-GE_CMD_TEXBUFWIDTH0, data);
break;
case GE_CMD_CLUTADDR:
sprintf(buffer, "CLUT base addr: %06x", data);
break;
case GE_CMD_CLUTADDRUPPER:
sprintf(buffer, "CLUT addr upper %08x", data);
break;
case GE_CMD_LOADCLUT:
// This could be used to "dirty" textures with clut.
sprintf(buffer, "Clut load");
break;
case GE_CMD_TEXMAPMODE:
sprintf(buffer, "Tex map mode: %06x", data);
break;
case GE_CMD_TEXSHADELS:
sprintf(buffer, "Tex shade light sources: %06x", data);
break;
case GE_CMD_CLUTFORMAT:
{
sprintf(buffer, "Clut format: %06x", data);
}
break;
case GE_CMD_TRANSFERSRC:
{
sprintf(buffer, "Block Transfer Src: %06x", data);
// Nothing to do, the next one prints
}
break;
case GE_CMD_TRANSFERSRCW:
{
u32 xferSrc = gstate.transfersrc | ((data&0xFF0000)<<8);
u32 xferSrcW = gstate.transfersrcw & 1023;
sprintf(buffer, "Block Transfer Src: %08x W: %i", xferSrc, xferSrcW);
break;
}
case GE_CMD_TRANSFERDST:
{
// Nothing to do, the next one prints
sprintf(buffer, "Block Transfer Dst: %06x", data);
}
break;
case GE_CMD_TRANSFERDSTW:
{
u32 xferDst= gstate.transferdst | ((data&0xFF0000)<<8);
u32 xferDstW = gstate.transferdstw & 1023;
sprintf(buffer, "Block Transfer Dest: %08x W: %i", xferDst, xferDstW);
break;
}
case GE_CMD_TRANSFERSRCPOS:
{
u32 x = (data & 1023)+1;
u32 y = ((data>>10) & 1023)+1;
sprintf(buffer, "Block Transfer Src Rect TL: %i, %i", x, y);
break;
}
case GE_CMD_TRANSFERDSTPOS:
{
u32 x = (data & 1023)+1;
u32 y = ((data>>10) & 1023)+1;
sprintf(buffer, "Block Transfer Dest Rect TL: %i, %i", x, y);
break;
}
case GE_CMD_TRANSFERSIZE:
{
u32 w = (data & 1023)+1;
u32 h = ((data>>10) & 1023)+1;
sprintf(buffer, "Block Transfer Rect Size: %i x %i", w, h);
break;
}
case GE_CMD_TRANSFERSTART: // Orphis calls this TRXKICK
{
sprintf(buffer, "Block Transfer Start");
break;
}
case GE_CMD_TEXSIZE0:
case GE_CMD_TEXSIZE1:
case GE_CMD_TEXSIZE2:
case GE_CMD_TEXSIZE3:
case GE_CMD_TEXSIZE4:
case GE_CMD_TEXSIZE5:
case GE_CMD_TEXSIZE6:
case GE_CMD_TEXSIZE7:
sprintf(buffer, "Texture Size %i: %06x", cmd - GE_CMD_TEXSIZE0, data);
break;
case GE_CMD_ZBUFPTR:
{
u32 ptr = op & 0xFFE000;
sprintf(buffer, "Zbuf Ptr: %06x", ptr);
}
break;
case GE_CMD_ZBUFWIDTH:
{
sprintf(buffer, "Zbuf Width: %06x", data);
}
break;
case GE_CMD_AMBIENTCOLOR:
sprintf(buffer, "Ambient Color: %06x", data);
break;
case GE_CMD_AMBIENTALPHA:
sprintf(buffer, "Ambient Alpha: %06x", data);
break;
case GE_CMD_MATERIALAMBIENT:
sprintf(buffer, "Material Ambient Color: %06x", data);
break;
case GE_CMD_MATERIALDIFFUSE:
sprintf(buffer, "Material Diffuse Color: %06x", data);
break;
case GE_CMD_MATERIALEMISSIVE:
sprintf(buffer, "Material Emissive Color: %06x", data);
break;
case GE_CMD_MATERIALSPECULAR:
sprintf(buffer, "Material Specular Color: %06x", data);
break;
case GE_CMD_MATERIALALPHA:
sprintf(buffer, "Material Alpha Color: %06x", data);
break;
case GE_CMD_MATERIALSPECULARCOEF:
sprintf(buffer, "Material specular coef: %f", getFloat24(data));
break;
case GE_CMD_LIGHTTYPE0:
case GE_CMD_LIGHTTYPE1:
case GE_CMD_LIGHTTYPE2:
case GE_CMD_LIGHTTYPE3:
sprintf(buffer, "Light %i type: %06x", cmd-GE_CMD_LIGHTTYPE0, data);
break;
case GE_CMD_LX0:case GE_CMD_LY0:case GE_CMD_LZ0:
case GE_CMD_LX1:case GE_CMD_LY1:case GE_CMD_LZ1:
case GE_CMD_LX2:case GE_CMD_LY2:case GE_CMD_LZ2:
case GE_CMD_LX3:case GE_CMD_LY3:case GE_CMD_LZ3:
{
int n = cmd - GE_CMD_LX0;
int l = n / 3;
int c = n % 3;
float val = getFloat24(data);
sprintf(buffer, "Light %i %c pos: %f", l, c+'X', val);
}
break;
case GE_CMD_LDX0:case GE_CMD_LDY0:case GE_CMD_LDZ0:
case GE_CMD_LDX1:case GE_CMD_LDY1:case GE_CMD_LDZ1:
case GE_CMD_LDX2:case GE_CMD_LDY2:case GE_CMD_LDZ2:
case GE_CMD_LDX3:case GE_CMD_LDY3:case GE_CMD_LDZ3:
{
int n = cmd - GE_CMD_LDX0;
int l = n / 3;
int c = n % 3;
float val = getFloat24(data);
sprintf(buffer, "Light %i %c dir: %f", l, c+'X', val);
}
break;
case GE_CMD_LKA0:case GE_CMD_LKB0:case GE_CMD_LKC0:
case GE_CMD_LKA1:case GE_CMD_LKB1:case GE_CMD_LKC1:
case GE_CMD_LKA2:case GE_CMD_LKB2:case GE_CMD_LKC2:
case GE_CMD_LKA3:case GE_CMD_LKB3:case GE_CMD_LKC3:
{
int n = cmd - GE_CMD_LKA0;
int l = n / 3;
int c = n % 3;
float val = getFloat24(data);
sprintf(buffer, "Light %i %c att: %f", l, c+'X', val);
}
break;
case GE_CMD_LAC0:case GE_CMD_LAC1:case GE_CMD_LAC2:case GE_CMD_LAC3:
case GE_CMD_LDC0:case GE_CMD_LDC1:case GE_CMD_LDC2:case GE_CMD_LDC3:
case GE_CMD_LSC0:case GE_CMD_LSC1:case GE_CMD_LSC2:case GE_CMD_LSC3:
{
float r = (float)(data & 0xff)/255.0f;
float g = (float)((data>>8) & 0xff)/255.0f;
float b = (float)(data>>16)/255.0f;
int l = (cmd - GE_CMD_LAC0) / 3;
int t = (cmd - GE_CMD_LAC0) % 3;
sprintf(buffer, "Light %i color %i: %f %f %f", l, t, r, g, b);
}
break;
case GE_CMD_VIEWPORTX1:
case GE_CMD_VIEWPORTY1:
case GE_CMD_VIEWPORTX2:
case GE_CMD_VIEWPORTY2:
sprintf(buffer, "Viewport param %i: %f", cmd-GE_CMD_VIEWPORTX1, getFloat24(data));
break;
case GE_CMD_VIEWPORTZ1:
{
float zScale = getFloat24(data) / 65535.f;
sprintf(buffer, "Z scale: %f", zScale);
}
break;
case GE_CMD_VIEWPORTZ2:
{
float zOff = getFloat24(data) / 65535.f;
sprintf(buffer, "Z pos: %f", zOff);
}
break;
case GE_CMD_LIGHTENABLE0:
case GE_CMD_LIGHTENABLE1:
case GE_CMD_LIGHTENABLE2:
case GE_CMD_LIGHTENABLE3:
sprintf(buffer, "Light %i enable: %d", cmd-GE_CMD_LIGHTENABLE0, data);
break;
case GE_CMD_CULL:
sprintf(buffer, "cull: %06x", data);
break;
case GE_CMD_LMODE:
sprintf(buffer, "Shade mode: %06x", data);
break;
case GE_CMD_PATCHDIVISION:
{
int patch_div_s = data & 0xFF;
int patch_div_t = (data >> 8) & 0xFF;
sprintf(buffer, "Patch subdivision: %i x %i", patch_div_s, patch_div_t);
}
break;
case GE_CMD_PATCHPRIMITIVE:
sprintf(buffer, "Patch Primitive: %d", data);
break;
case GE_CMD_PATCHFACING:
sprintf(buffer, "Patch Facing: %d", data);
break;
case GE_CMD_REVERSENORMAL:
sprintf(buffer, "Reverse normal: %d", data);
break;
case GE_CMD_MATERIALUPDATE:
sprintf(buffer, "Material Update: %d", data);
break;
//////////////////////////////////////////////////////////////////
// CLEARING
//////////////////////////////////////////////////////////////////
case GE_CMD_CLEARMODE:
// If it becomes a performance problem, check diff&1
sprintf(buffer, "Clear mode: %06x", data);
break;
//////////////////////////////////////////////////////////////////
// ALPHA BLENDING
//////////////////////////////////////////////////////////////////
case GE_CMD_ALPHABLENDENABLE:
sprintf(buffer, "Alpha blend enable: %d", data);
break;
case GE_CMD_BLENDMODE:
sprintf(buffer, "Blend mode: %06x", data);
break;
case GE_CMD_BLENDFIXEDA:
sprintf(buffer, "Blend fix A: %06x", data);
break;
case GE_CMD_BLENDFIXEDB:
sprintf(buffer, "Blend fix B: %06x", data);
break;
case GE_CMD_ALPHATESTENABLE:
sprintf(buffer, "Alpha test enable: %d", data);
break;
case GE_CMD_ALPHATEST:
sprintf(buffer, "Alpha test settings");
break;
case GE_CMD_ANTIALIASENABLE:
sprintf(buffer, "Antialias enable: %d", data);
break;
case GE_CMD_PATCHCULLENABLE:
sprintf(buffer, "Antialias enable: %d", data);
break;
case GE_CMD_COLORTESTENABLE:
sprintf(buffer, "Color Test enable: %d", data);
break;
case GE_CMD_LOGICOPENABLE:
sprintf(buffer, "Logic op enable: %d", data);
break;
case GE_CMD_TEXFUNC:
sprintf(buffer, "TexFunc %i", data&7);
break;
case GE_CMD_TEXFILTER:
{
int min = data & 7;
int mag = (data >> 8) & 1;
sprintf(buffer, "TexFilter min: %i mag: %i", min, mag);
}
break;
case GE_CMD_TEXENVCOLOR:
sprintf(buffer, "TexEnvColor %06x", data);
break;
case GE_CMD_TEXMODE:
sprintf(buffer, "TexMode %08x", data);
break;
case GE_CMD_TEXFORMAT:
sprintf(buffer, "TexFormat %08x", data);
break;
case GE_CMD_TEXFLUSH:
sprintf(buffer, "TexFlush");
break;
case GE_CMD_TEXSYNC:
sprintf(buffer, "TexSync");
break;
case GE_CMD_TEXWRAP:
sprintf(buffer, "TexWrap %08x", data);
break;
case GE_CMD_TEXLEVEL:
sprintf(buffer, "TexWrap Mode: %i Offset: %i", data&3, data >> 16);
break;
case GE_CMD_FOG1:
sprintf(buffer, "Fog1 %f", getFloat24(data));
break;
case GE_CMD_FOG2:
sprintf(buffer, "Fog2 %f", getFloat24(data));
break;
case GE_CMD_FOGCOLOR:
sprintf(buffer, "FogColor %06x", data);
break;
case GE_CMD_TEXLODSLOPE:
sprintf(buffer, "TexLodSlope %06x", data);
break;
//////////////////////////////////////////////////////////////////
// Z/STENCIL TESTING
//////////////////////////////////////////////////////////////////
case GE_CMD_ZTESTENABLE:
sprintf(buffer, "Z test enable: %d", data & 1);
break;
case GE_CMD_STENCILOP:
sprintf(buffer, "Stencil op: %06x", data);
break;
case GE_CMD_STENCILTEST:
sprintf(buffer, "Stencil test: %06x", data);
break;
case GE_CMD_STENCILTESTENABLE:
sprintf(buffer, "Stencil test enable: %d", data);
break;
case GE_CMD_ZTEST:
sprintf(buffer, "Z test mode: %i", data);
break;
case GE_CMD_MORPHWEIGHT0:
case GE_CMD_MORPHWEIGHT1:
case GE_CMD_MORPHWEIGHT2:
case GE_CMD_MORPHWEIGHT3:
case GE_CMD_MORPHWEIGHT4:
case GE_CMD_MORPHWEIGHT5:
case GE_CMD_MORPHWEIGHT6:
case GE_CMD_MORPHWEIGHT7:
{
int index = cmd - GE_CMD_MORPHWEIGHT0;
float weight = getFloat24(data);
sprintf(buffer, "MorphWeight %i = %f", index, weight);
}
break;
case GE_CMD_DITH0:
case GE_CMD_DITH1:
case GE_CMD_DITH2:
case GE_CMD_DITH3:
sprintf(buffer, "DitherMatrix %i = %06x",cmd-GE_CMD_DITH0,data);
break;
case GE_CMD_LOGICOP:
sprintf(buffer, "LogicOp: %06x", data);
break;
case GE_CMD_ZWRITEDISABLE:
sprintf(buffer, "ZMask: %06x", data);
break;
case GE_CMD_MASKRGB:
sprintf(buffer, "MaskRGB: %06x", data);
break;
case GE_CMD_MASKALPHA:
sprintf(buffer, "MaskAlpha: %06x", data);
break;
case GE_CMD_WORLDMATRIXNUMBER:
sprintf(buffer, "World # %i", data & 0xF);
break;
case GE_CMD_WORLDMATRIXDATA:
sprintf(buffer, "World data # %f", getFloat24(data));
break;
case GE_CMD_VIEWMATRIXNUMBER:
sprintf(buffer, "VIEW # %i", data & 0xF);
break;
case GE_CMD_VIEWMATRIXDATA:
sprintf(buffer, "VIEW data # %f", getFloat24(data));
break;
case GE_CMD_PROJMATRIXNUMBER:
sprintf(buffer, "PROJECTION # %i", data & 0xF);
break;
case GE_CMD_PROJMATRIXDATA:
sprintf(buffer, "PROJECTION matrix data # %f", getFloat24(data));
break;
case GE_CMD_TGENMATRIXNUMBER:
sprintf(buffer, "TGEN # %i", data & 0xF);
break;
case GE_CMD_TGENMATRIXDATA:
sprintf(buffer, "TGEN data # %f", getFloat24(data));
break;
case GE_CMD_BONEMATRIXNUMBER:
sprintf(buffer, "BONE #%i", data);
break;
case GE_CMD_BONEMATRIXDATA:
sprintf(buffer, "BONE data #%i %f", gstate.boneMatrixNumber & 0x7f, getFloat24(data));
break;
default:
sprintf(buffer, "Unknown: %08x", op);
break;
}
}