void Interpret( void )
{
INSTRUCTION current;
int addr, nextaddr;
current = Pmem[PC];
nextaddr = PC+1;
switch ( current.opcode ) {
case HALT: WriteOut( "!! HALT encountered\n\n" );
Running = 0; break;
case ADD: BinaryOp( ADD ); break;
case SUB: BinaryOp( SUB ); break;
case MULT: BinaryOp( MULT ); break;
case DIV: BinaryOp( DIV ); break;
case NEG: Dmem[SP] = -Dmem[SP]; break;
case BR: nextaddr = Branch( BR ); break;
case BGZ: nextaddr = Branch( BGZ ); break;
case BG: nextaddr = Branch( BG ); break;
case BLZ: nextaddr = Branch( BLZ ); break;
case BL: nextaddr = Branch( BL ); break;
case BZ: nextaddr = Branch( BZ ); break;
case BNZ: nextaddr = Branch( BNZ ); break;
case CALL: Push( nextaddr );
nextaddr = CodeAddr( current.offset ); break;
case RET: nextaddr = CodeAddr( Pop() ); break;
case BSF: BuildStackFrame(); break;
case RSF: RemoveStackFrame(); break;
case LDP: LoadDisplayPointer(); break;
case RDP: RestoreDisplayPointer(); break;
case INC: SP = DataAddr( SP + current.offset ); break;
case DEC: SP = Decrement( SP, current.offset ); break;
case PUSHFP: Push( FP ); break;
case LOADI: Push( current.offset ); break;
case LOADA: addr = DataAddr( current.offset );
Push( Dmem[addr] ); break;
case LOADFP: addr = DataAddr( FP + current.offset );
Push( Dmem[addr] ); break;
case LOADSP: addr = DataAddr( Dmem[SP] + current.offset );
Dmem[SP] = Dmem[addr]; break;
case STOREA: addr = DataAddr( current.offset );
Dmem[addr] = Pop(); break;
case STOREFP: addr = DataAddr( FP + current.offset );
Dmem[addr] = Pop(); break;
case STORESP: addr = DataAddr( Pop() );
addr = DataAddr( addr + current.offset );
Dmem[addr] = Pop(); break;
case READ: ReadInteger(); break;
case WRITE: WriteInteger(); break;
default:
DisplayError( !FATAL, "Error, unknown opcode encountered\n" );
DisplayError( FATAL, "PC = %d, SP = %d, FP = %d, opcode = %d\n",
PC, SP, FP, current.opcode );
break;
}
PC = nextaddr;
}
void PatchI23() {
// product published?
bmagic(0x00832f09, 0xc032cc33, 0x01b0cc33);
// owns product?
bmagic(0x0083408B, 0xff853a74, 0x5aeb01b0);
// create character
bmagic(0x0083DDD6, 0x0410ec81, 0xc8d545e8);
bmagic(0x0083DDDA, 0x84a10000, 0x9220e8ff);
bmagic(0x0083DDDE, 0x3300b1ba, 0x05c7ffee);
bmagic(0x0083DDE2, 0x248489c4, 0x016789a4);
bmagic(0x0083DDE6, 0x0000040c, editnpc);
bmagic(0x0083DDEA, 0x88683d80, 0xc35dec89);
// costume unlock BS
bmagic(0x00458183, 0x950fc084, 0x950f91eb);
bmagic(0x00458116, 0xcccccccc, 0x75433e81);
bmagic(0x0045811a, 0xcccccccc, 0x6e757473);
bmagic(0x0045811e, 0x5553cccc, 0x555368eb);
// disable costume validation
bmagic(0x004A97F0, 0xA108EC83, 0xA1C3C031);
// don't show "hide store pieces" box
bmagic(0x0071A095, 2, 1);
if (editnpc) {
// don't skip origin menu
bmagic(0x00780A05, 0x3d833574, 0x3d8335eb);
// don't skip playstyle menu
bmagic(0x007814AD, 0x35891274, 0x358912eb);
// don't skip archetype menu
bmagic(0x0076F9F2, 0x3d833074, 0x3d8330eb);
// don't skip power selection
bmagic(0x00783DC0, 0x03da840f, 0x0003dbe9);
bmagic(0x00783DC4, 0x8ca10000, 0x8ca19000);
}
// "Sandbox Mode" stuff below
// NOP out comm check
bmagic(0x00409332, 0x1FAC053B, 0x90909090);
bmagic(0x00409336, 0xC01B0168, 0x90909090);
// always return 1 for connected
bmagic(0x0040D9CD, 3, 1);
// ignore check for mapserver in main loop
bmagic(0x0083ADF9, 0x3d392c77, 0x3d392ceb);
// nocoll command
bmagic(0x00BCEFBC, 1, 0);
// Allow loading all override files
bmagic(0x0088A500, 0xF0E4868B, 0xF0E42EEB);
// turn on invert mouse
bmagic(0x00B349F0, 0, 1);
// Hook main command handler
PutCall(0x0041655D, CodeAddr(CODE_CMD_HOOK));
// Hook "enter game"
PutCall(0x004CB80B, CodeAddr(CODE_ENTER_GAME));
bmagic(0x004CB810, 0xC01BD8F7, 0x04A3C031);
bmagic(0x004CB814, 0x83A6E083, 0xE9012DB5);
bmagic(0x004CB818, 0x44895AC0, 0x0000038C);
// Modify editor toolbar to affect entity position
// Move it to the corner of the screen
bmagic(0x00440C47, 0x1024448B, 0x0070B866); // MOV AX, 70
bmagic(0x00440C4F, 0xFD76B18D, 0xFE6BB18D); // 28A -> 195
bmagic(0x004408DE, 0xFD9E8E8D, 0xFE938E8D); // 262 -> 16D
bmagic(0x00440976, 0xFDDAC681, 0xFECFC681); // 226 -> 131
// Ignore editor crap
bmagic(0x00440CA3, 0x448B1474, 0x448B14EB); // JZ -> JMP
PutCall(0x00440D03, CodeAddr(CODE_GET_TARGET));
// adjust offsets for matrix position in entity
bmagic(0x00440D1C, 0x4440D921, 0x5C40D921); // 44 -> 5C
bmagic(0x00440D20, 0xD920488D, 0xD938488D); // 20 -> 38
bmagic(0x00440D2C, 0x5CD94840, 0x5CD96040); // 48 -> 60
bmagic(0x00440D34, 0x245CD94C, 0x245CD964); // 4C -> 64
// Don't check editor selection stuff
bmagic(0x00440DAF, 0x44D96175, 0x44D99090); // NOP out the JNE
// Hook 'user entered new coordinates'
PutCall(0x00440F00, CodeAddr(CODE_POS_UPDATE_CB));
bmagic(0x00440F0C, 0xD0A13E74, 0xD0A137EB); // Jump to end after hook
// skip editor stuff here too
bmagic(0x004405A9, 0x7D8B1174, 0x7D8B9090);
bmagic(0x0044066F, 0x8DC1950F, 0x8D9001B1);
bmagic(0x00440680, 0x7D834175, 0x7D8341EB);
bmagic(0x00440795, 0x7D802174, 0x7D809090);
bmagic(0x004407B6, 0x68A14975, 0x68A149EB);
// Display editor toolbar in main loop
bmagic(0x0083B96E, 0x0166CBD0, DataAddr(DATA_SHOW_TOOLBAR));
bmagic(0x0083B974, 0x831005D9, 0x5404EC83);
bmagic(0x0083B978, 0x1DD900A6, 0xC05283E8);
bmagic(0x0083B97C, 0x01676D7C, 0x08C483FF);
bmagic(0x0083B980, 0xFFFD5BE8, 0x909036EB);
bmagic(0x0083B984, 0x24448DFF, 0x24448D90);
}
void PatchI24() {
// product published?
bmagic(0x00830259, 0xc032cc33, 0x01b0cc33);
// owns product?
bmagic(0x0083147B, 0xff853a74, 0x5aeb01b0);
// create character
bmagic(0x0083B246, 0x0410ec81, 0xc90ed5e8);
if (random) {
bmagic(0x0083B24a, 0x84a10000, 0xe980e8ff);
bmagic(0x0083B24e, 0x3300b1ba, 0x1e6affc9);
bmagic(0x0083B252, 0x248489c4, 0xd88b59e8);
bmagic(0x0083B256, 0x0000040c, 0x04c483ff);
} else {
bmagic(0x0083B24a, 0x84a10000, 0xbb80e8ff);
bmagic(0x0083B24e, 0x3300b1ba, 0x05c7ffee);
bmagic(0x0083B252, 0x248489c4, 0x0167c800);
bmagic(0x0083B256, 0x0000040c, editnpc);
}
bmagic(0x0083B25a, 0xc6c83d80, 0xc35dec89);
// costume unlock BS
bmagic(0x00458273, 0x950fc084, 0x950f91eb);
bmagic(0x00458206, 0xcccccccc, 0x75433e81);
bmagic(0x0045820a, 0xcccccccc, 0x6e757473);
bmagic(0x0045820e, 0x5553cccc, 0x555368eb);
// disable costume validation
bmagic(0x004A9B60, 0xA108EC83, 0xA1C3C031);
// don't show "hide store pieces" box
bmagic(0x00719FE5, 2, 1);
if (editnpc) {
// don't skip origin menu
bmagic(0x0077E255, 0x3d833574, 0x3d8335eb);
// don't skip playstyle menu
bmagic(0x0077ECFC, 0x35891274, 0x358912eb);
// don't skip archetype menu
bmagic(0x0076D222, 0x3d833074, 0x3d8330eb);
// don't skip power selection
bmagic(0x0078151F, 0x03da840f, 0x0003dbe9);
bmagic(0x00781523, 0x74a10000, 0x74a19000);
}
// "Sandbox Mode" stuff below
// NOP out comm check
bmagic(0x00409332, 0x5E0C053B, 0x90909090);
bmagic(0x00409336, 0xC01B0168, 0x90909090);
// always return 1 for connected
bmagic(0x0040DA1D, 3, 1);
// ignore check for mapserver in main loop
bmagic(0x00838249, 0x3d392c77, 0x3d392ceb);
// nocoll command
bmagic(0x00BD12A4, 1, 0);
// Allow loading all override files
bmagic(0x00887C70, 0x10C8868B, 0x10C82EEB);
// turn on invert mouse
bmagic(0x00B34E00, 0, 1);
// Hook main command handler
PutCall(0x004165BD, CodeAddr(CODE_CMD_HOOK));
// Hook "enter game"
PutCall(0x004CC60B, CodeAddr(CODE_ENTER_GAME));
bmagic(0x004CC610, 0xC01BD8F7, 0xC4A3C031);
bmagic(0x004CC614, 0x83A6E083, 0xE9012DF3);
bmagic(0x004CC618, 0x44895AC0, 0x00000390);
// WM_MOUSEMOVE
// Modify editor toolbar to affect entity position
// Move it to the corner of the screen
bmagic(0x00440D27, 0x1024448B, 0x0070B866); // MOV AX, 70
bmagic(0x00440D2F, 0xFD76B18D, 0xFE6BB18D); // 28A -> 195
bmagic(0x004409BE, 0xFD9E8E8D, 0xFE938E8D); // 262 -> 16D
bmagic(0x00440A56, 0xFDDAC681, 0xFECFC681); // 226 -> 131
// Ignore editor crap
bmagic(0x00440D83, 0x448B1474, 0x448B14EB); // JZ -> JMP
PutCall(0x00440DE3, CodeAddr(CODE_GET_TARGET));
// adjust offsets for matrix position in entity
bmagic(0x00440DFC, 0x4440D921, 0x5C40D921); // 44 -> 5C
bmagic(0x00440E00, 0xD920488D, 0xD938488D); // 20 -> 38
bmagic(0x00440E0C, 0x5CD94840, 0x5CD96040); // 48 -> 60
bmagic(0x00440E14, 0x245CD94C, 0x245CD964); // 4C -> 64
// Don't check editor selection stuff
bmagic(0x00440E8F, 0x44D96175, 0x44D99090); // NOP out the JNE
// Hook 'user entered new coordinates'
PutCall(0x00440FE0, CodeAddr(CODE_POS_UPDATE_CB));
bmagic(0x00440FEC, 0x30A13E74, 0x30A137EB); // Jump to end after hook
// skip editor stuff here too
bmagic(0x004406C7, 0x7E8B1174, 0x7E8B9090);
bmagic(0x0044078C, 0xC1950F01, 0x9001B101);
bmagic(0x0044079C, 0x07750001, 0x07EB0001);
bmagic(0x00440878, 0x7E801F74, 0x7E809090);
bmagic(0x00440894, 0x75000161, 0xEB000161);
// Display editor toolbar in main loop
bmagic(0x00838DCA, 0x01670A30, DataAddr(DATA_SHOW_TOOLBAR));
bmagic(0x00838DD0, 0x62B405D9, 0x5404EC83);
bmagic(0x00838DD4, 0x1DD900A6, 0xC07F07E8);
bmagic(0x00838DD8, 0x0167ABDC, 0x08C483FF);
bmagic(0x00838DDC, 0xFFFD4FE8, 0x909036EB);
bmagic(0x00838DE0, 0x24448DFF, 0x24448D90);
}