===========================================================================
| 1370 | |
| 1371 | //=========================================================================== |
| 1372 | bool AssemblerUpdateAddressingMode() |
| 1373 | { |
| 1374 | SetFlag( AF_HaveEitherParen, TestFlag(AF_HaveLeftParen) || TestFlag(AF_HaveRightParen) ); |
| 1375 | SetFlag( AF_HaveBothParen, TestFlag(AF_HaveLeftParen) && TestFlag(AF_HaveRightParen) ); |
| 1376 | |
| 1377 | if ((TestFlag( AF_HaveLeftParen )) && (! TestFlag( AF_HaveRightParen ))) |
| 1378 | { |
| 1379 | ConsoleBufferPush( " Syntax Error: Missing ')'" ); |
| 1380 | return false; |
| 1381 | } |
| 1382 | |
| 1383 | if ((! TestFlag( AF_HaveLeftParen )) && ( TestFlag( AF_HaveRightParen ))) |
| 1384 | { |
| 1385 | ConsoleBufferPush( " Syntax Error: Missing '('" ); |
| 1386 | return false; |
| 1387 | } |
| 1388 | |
| 1389 | if (TestFlag( AF_HaveComma )) |
| 1390 | { |
| 1391 | if ((! TestFlag( AF_HaveRegisterX )) && (! TestFlag( AF_HaveRegisterY ))) |
| 1392 | { |
| 1393 | ConsoleBufferPush( " Syntax Error: Index 'X' or 'Y'" ); |
| 1394 | return false; |
| 1395 | } |
| 1396 | } |
| 1397 | |
| 1398 | if (TestFlag( AF_HaveBothParen )) |
| 1399 | { |
| 1400 | if (TestFlag( AF_HaveComma )) |
| 1401 | { |
| 1402 | if (TestFlag( AF_HaveRegisterX )) |
| 1403 | { |
| 1404 | m_iAsmAddressMode = AM_AX; |
| 1405 | m_nAsmBytes = 2; |
| 1406 | if (m_nAsmTargetAddress <= _6502_ZEROPAGE_END) |
| 1407 | { |
| 1408 | m_iAsmAddressMode = AM_ZX; |
| 1409 | m_nAsmBytes = 1; |
| 1410 | } |
| 1411 | } |
| 1412 | if (TestFlag( AF_HaveRegisterY )) |
| 1413 | { |
| 1414 | m_iAsmAddressMode = AM_AY; |
| 1415 | m_nAsmBytes = 2; |
| 1416 | if (m_nAsmTargetAddress <= _6502_ZEROPAGE_END) |
| 1417 | { |
| 1418 | m_iAsmAddressMode = AM_ZY; |
| 1419 | m_nAsmBytes = 1; |
| 1420 | } |
| 1421 | } |
| 1422 | } |
| 1423 | } |
| 1424 | |
| 1425 | if ((m_iAsmAddressMode == AM_A) || (m_iAsmAddressMode == AM_Z)) |
| 1426 | { |
| 1427 | if (! TestFlag( AF_HaveEitherParen)) // if no paren |
| 1428 | { |
| 1429 | if (TestFlag( AF_HaveComma ) && TestFlag( AF_HaveRegisterX )) |
no test coverage detected