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speed dial commands and disassembly

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This commit is contained in:
tildearrow 2025-04-06 04:24:17 -05:00
parent da771145f4
commit bf7abe99ef
3 changed files with 56 additions and 8 deletions
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6
src/engine/cmdStream.cpp
View file

@ -121,6 +121,12 @@ bool DivCSPlayer::tick() {
case 0xcf:
command=next-0xb4;
break;
case 0xd0: case 0xd1: case 0xd2: case 0xd3:
case 0xd4: case 0xd5: case 0xd6: case 0xd7:
case 0xd8: case 0xd9: case 0xda: case 0xdb:
case 0xdc: case 0xdd: case 0xde: case 0xdf:
command=fastCmds[next-0xd0];
break;
case 0xf0: // placeholder
stream.readC();
stream.readC();

28
src/engine/cmdStreamOps.cpp
View file

@ -937,6 +937,32 @@ SafeWriter* DivEngine::saveCommand() {
}
// set speed dial commands (TODO)
for (int h=0; h<chans; h++) {
unsigned char* buf=chanStream[h]->getFinalBuf();
for (size_t i=0; i<chanStream[h]->size();) {
int insLen=getInsLength(buf[i],_EXT(buf,i,chanStream[h]->size()),sortedCmd);
if (insLen<1) {
logE("INS %x NOT IMPLEMENTED...",buf[i]);
break;
}
if (buf[i]==0xf7) {
// find whether this command is in speed dial
for (int j=0; j<16; j++) {
if (buf[i+1]==sortedCmd[j]) {
buf[i]=0xd0+j;
// move everything to the left
for (int k=i+2; k<insLen; k++) {
buf[k-1]=buf[k];
}
// put a nop
buf[i+insLen-1]=0xf1;
break;
}
}
}
i+=insLen;
}
}
// PASS 2: condense delays
// calculate delay usage
@ -1163,7 +1189,7 @@ SafeWriter* DivEngine::saveCommand() {
logD("command popularity:");
for (int i=0; i<16; i++) {
w->writeC(sortedCmd[i]);
if (sortedCmdPopularity[i]) logD("- %s: %d",cmdName[sortedCmd[i]],sortedCmdPopularity[i]);
if (sortedCmdPopularity[i]) logD("- %s ($%.2x): %d",cmdName[sortedCmd[i]],sortedCmd[i],sortedCmdPopularity[i]);
}
return w;

30
src/gui/csPlayer.cpp
View file

@ -22,7 +22,7 @@
#include "imgui.h"
#include "guiConst.h"
String disasmCmd(unsigned char* buf, size_t bufLen, unsigned int addr) {
String disasmCmd(unsigned char* buf, size_t bufLen, unsigned int addr, unsigned char* speedDial) {
if (addr>=bufLen) return "???";
if (buf[addr]<0xb4) {
@ -107,9 +107,17 @@ String disasmCmd(unsigned char* buf, size_t bufLen, unsigned int addr) {
case 0xd0: case 0xd1: case 0xd2: case 0xd3:
case 0xd4: case 0xd5: case 0xd6: case 0xd7:
case 0xd8: case 0xd9: case 0xda: case 0xdb:
case 0xdc: case 0xdd: case 0xde: case 0xdf:
return "qcmd";
case 0xdc: case 0xdd: case 0xde: case 0xdf: {
unsigned char cmd=speedDial[buf[addr]&15];
int cmdLen=DivCS::getCmdLength(cmd);
if ((addr+cmdLen)>=bufLen) return "???";
String ret=fmt::sprintf("qcmd%d %s",buf[addr]-0xd0,(cmd<DIV_CMD_MAX)?cmdName[cmd]:"INVALID");
for (int i=0; i<cmdLen; i++) {
ret+=fmt::sprintf(", %.2x",buf[addr+1+i]);
}
return ret;
break;
}
case 0xe0: case 0xe1: case 0xe2: case 0xe3:
case 0xe4: case 0xe5: case 0xe6: case 0xe7:
case 0xe8: case 0xe9: case 0xea: case 0xeb:
@ -134,9 +142,17 @@ String disasmCmd(unsigned char* buf, size_t bufLen, unsigned int addr) {
if (addr+4>=bufLen) return "???";
return fmt::sprintf("call %.8x",(unsigned int)(buf[addr+1]|(buf[addr+2]<<8)|(buf[addr+3]<<16)|(buf[addr+4]<<24)));
break;
case 0xf7:
return "cmd";
case 0xf7: {
if (addr+1>=bufLen) return "???";
int cmdLen=DivCS::getCmdLength(buf[addr+1]);
if ((addr+1+cmdLen)>=bufLen) return "???";
String ret=fmt::sprintf("cmd %s",(buf[addr+1]<DIV_CMD_MAX)?cmdName[buf[addr+1]]:"INVALID");
for (int i=0; i<cmdLen; i++) {
ret+=fmt::sprintf(", %.2x",buf[addr+2+i]);
}
return ret;
break;
}
case 0xf8:
if (addr+2>=bufLen) return "???";
return fmt::sprintf("call %.4x",(unsigned int)(buf[addr+1]|(buf[addr+2]<<8)));
@ -309,7 +325,7 @@ void FurnaceGUI::drawCSPlayer() {
if (state->trace[j]==0) {
ImGui::TextUnformatted("...");
} else {
String dis=disasmCmd(buf,bufSize,state->trace[j]);
String dis=disasmCmd(buf,bufSize,state->trace[j],cs->getFastCmds());
ImGui::Text("%.4x: %s",state->trace[j],dis.c_str());
}
}
@ -384,7 +400,7 @@ void FurnaceGUI::drawCSPlayer() {
}
ImGui::TableNextColumn();
String dis=disasmCmd(i.data,8,0);
String dis=disasmCmd(i.data,8,0,cs->getFastCmds());
ImGui::Text("%s",dis.c_str());
// jmp/ret separator