Free Hero Mesh

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Overview
Comment:Fix implementation of some opcodes.
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SHA1: 5aa3128a5904a664b8177fa8bbd4e9b0bc0f99dc
User & Date: user on 2020-11-26 01:53:31
Other Links: manifest | tags
Context
2020-11-27
00:27
Start to implement tracing. check-in: 6683ba9878 user: user tags: trunk
2020-11-26
01:53
Fix implementation of some opcodes. check-in: 5aa3128a59 user: user tags: trunk
01:41
Implement objtrash() and generation number increasing; move initialization to a separate subroutine check-in: daf44d7fbb user: user tags: trunk
Changes
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Modified exec.c from [6040730ffa] to [8852052476].

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  if(StackProtection()) Throw("Call stack overflow");
  for(;;) switch(code[ptr++]) {
    case 0x0000 ... 0x00FF: StackReq(0,1); Push(NVALUE(code[ptr-1])); break;
    case 0x0100 ... 0x01FF: StackReq(0,1); Push(NVALUE(code[ptr-1]-0x200)); break;
    case 0x0200 ... 0x02FF: StackReq(0,1); Push(MVALUE(code[ptr-1]&255)); break;
    case 0x0300 ... 0x03FF: StackReq(0,1); Push(UVALUE(code[ptr-1]&255,TY_SOUND)); break;
    case 0x0400 ... 0x04FF: StackReq(0,1); Push(UVALUE(code[ptr-1]&255,TY_USOUND)); break;
    case 0x2000 ... 0x2FFF: StackReq(0,1); Push(o->uservars[code[ptr-1]&0xFFF]); break;
    case 0x3000 ... 0x3FFF: NoIgnore(); StackReq(1,0); o->uservars[code[ptr-1]&0xFFF]=Pop(); break;
    case 0x2000 ... 0x27FF: StackReq(0,1); Push(o->uservars[code[ptr-1]&0x7FF]); break;
    case 0x2800 ... 0x28FF: StackReq(0,1); Push(globals[code[ptr-1]&0x7FF]); break;
    case 0x3000 ... 0x37FF: NoIgnore(); StackReq(1,0); o->uservars[code[ptr-1]&0x7FF]=Pop(); break;
    case 0x3800 ... 0x38FF: NoIgnore(); StackReq(1,0); Push(globals[code[ptr-1]&0x7FF]); break;
    case 0x4000 ... 0x7FFF: StackReq(0,1); Push(CVALUE(code[ptr-1]-0x4000)); break;
    case 0x87E8 ... 0x87FF: StackReq(0,1); Push(NVALUE(1UL<<(code[ptr-1]&31))); break;
    case 0xC000 ... 0xFFFF: StackReq(0,1); Push(NVALUE((code[ptr-1]&0x3FFF)+256)); break;
    case 0xC000 ... 0xFFFF: StackReq(0,1); Push(MVALUE((code[ptr-1]&0x3FFF)+256)); break;
    case OP_CALLSUB: execute_program(code,code[ptr++],obj); break;
    case OP_CLASS: StackReq(0,1); Push(CVALUE(o->class)); break;
    case OP_CLASS_C: StackReq(1,1); Push(GetVariableOf(class,CVALUE)); break;
    case OP_DROP: StackReq(1,0); Pop(); break;
    case OP_DROP_D: StackReq(2,0); Pop(); Pop(); break;
    case OP_DUP: StackReq(1,2); t1=Pop(); Push(t1); Push(t1); break;
    case OP_GOTO: ptr=code[ptr]; break;
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