| 1544 | |
| 1545 | |
| 1546 | bool Assemble( int iArg, int nArgs, WORD nAddress ) |
| 1547 | { |
| 1548 | bool bGotArgs; |
| 1549 | bool bGotMode; |
| 1550 | bool bGotByte; |
| 1551 | |
| 1552 | // Since, making 2-passes is not an option, |
| 1553 | // we need to buffer the target address fix-ups. |
| 1554 | AssemblerProcessDelayedSymols(); |
| 1555 | |
| 1556 | m_nAsmBaseAddress = nAddress; |
| 1557 | |
| 1558 | char *pMnemonic = g_aArgs[ iArg ].sArg; |
| 1559 | Hash_t nMnemonicHash = AssemblerHashMnemonic( pMnemonic ); |
| 1560 | |
| 1561 | #if DEBUG_ASSEMBLER |
| 1562 | ConsolePrintFormat( "%s%04X%s: %s%s%s -> %s%08X", |
| 1563 | CHC_ADDRESS, nAddress, |
| 1564 | CHC_DEFAULT, |
| 1565 | CHC_STRING, pMnemonic, |
| 1566 | CHC_DEFAULT, |
| 1567 | CHC_NUM_HEX, nMnemonicHash ); |
| 1568 | #endif |
| 1569 | |
| 1570 | m_vAsmOpcodes.clear(); // Candiate opcodes |
| 1571 | int iOpcode; |
| 1572 | |
| 1573 | // Ugh! Linear search. |
| 1574 | for ( iOpcode = 0; iOpcode < NUM_OPCODES; iOpcode++ ) |
| 1575 | { |
| 1576 | if (nMnemonicHash == g_aOpcodesHash[ iOpcode ]) |
| 1577 | { |
| 1578 | m_vAsmOpcodes.push_back( iOpcode ); |
| 1579 | } |
| 1580 | } |
| 1581 | |
| 1582 | const size_t nOpcodes = m_vAsmOpcodes.size(); |
| 1583 | if (! nOpcodes) |
| 1584 | { |
| 1585 | // Check for assembler directive |
| 1586 | |
| 1587 | ConsoleBufferPush( " Syntax Error: Invalid mnemonic" ); |
| 1588 | return false; |
| 1589 | } |
| 1590 | else |
| 1591 | { |
| 1592 | bGotArgs = AssemblerGetArgs( iArg, nArgs, nAddress ); |
| 1593 | if (bGotArgs) |
| 1594 | { |
| 1595 | bGotMode = AssemblerUpdateAddressingMode(); |
| 1596 | if (bGotMode) |
| 1597 | { |
| 1598 | bGotByte = AssemblerPokeOpcodeAddress( nAddress ); |
| 1599 | } |
| 1600 | } |
| 1601 | } |
| 1602 | |
| 1603 | return true; |
no test coverage detected