Mercurial > hg > Members > kono > nitros9-code
comparison level1/modules/sc6551.asm @ 1587:5f18094d961d
kernel modules renamed to krn, updated makefiles, clock2_tc3 now clock2_cloud9...
author | boisy |
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date | Mon, 24 May 2004 14:51:21 +0000 |
parents | 6215c588d8ca |
children | f91dc5c378f6 |
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1586:e26f7d2e40df | 1587:5f18094d961d |
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498 puls cc,dp,pc recover IRQ/Carry status, dummy B, system DP, return | 498 puls cc,dp,pc recover IRQ/Carry status, dummy B, system DP, return |
499 | 499 |
500 ModEntry lbra Init | 500 ModEntry lbra Init |
501 bra Read | 501 bra Read |
502 nop | 502 nop |
503 bra Writ | 503 bra Write |
504 nop | 504 nop |
505 IFNE H6309 | 505 IFNE H6309 |
506 bra GStt | 506 bra GStt |
507 nop | 507 nop |
508 ELSE | 508 ELSE |
537 bra ErrExit | 537 bra ErrExit |
538 | 538 |
539 UnSvcErr ldb #E$UnkSvc | 539 UnSvcErr ldb #E$UnkSvc |
540 bra ErrExit | 540 bra ErrExit |
541 | 541 |
542 Writ clrb default to no error... | 542 Write clrb default to no error... |
543 pshs cc,dp save IRQ/Carry status, Tx character, system DP | 543 pshs cc,dp save IRQ/Carry status, Tx character, system DP |
544 IFNE H6309 | 544 IFNE H6309 |
545 tfr u,w setup our DP | 545 tfr u,w setup our DP |
546 tfr e,dp | 546 tfr e,dp |
547 tfr a,e | 547 tfr a,e |