{"id":173,"date":"2022-02-06T22:28:04","date_gmt":"2022-02-06T13:28:04","guid":{"rendered":"https:\/\/yukkuriz.dip.jp\/?page_id=173"},"modified":"2022-11-08T17:55:46","modified_gmt":"2022-11-08T08:55:46","slug":"sasi%e3%82%a8%e3%83%9f%e3%83%a5-%e3%83%a1%e3%83%a2%e5%b8%b3","status":"publish","type":"page","link":"https:\/\/pc98.asukadns.net\/?page_id=173","title":{"rendered":"SASI\u30a8\u30df\u30e5 \u30e1\u30e2\u5e33"},"content":{"rendered":"\n

\u30e1\u30e2\u5e33\u304c\u308f\u308a\u306b\u30fb\u30fb\u30fb<\/strong>
\u672c\u6765\u306f\u516c\u958b\u3059\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u306f\u306a\u3044\u3051\u3069\u307e\u3042\u3066\u304d\u3068\u30fc\u306b<\/p>\n\n\n\n

2022\/03\/24<\/strong>
\u672a\u5b8c\u6210\u3060\u3051\u3069\u30b8\u30e3\u30f3\u30af\u30d7\u30ed\u30b0\u30e9\u30e0\u7f6e\u304d\u5834<\/a>\u3067\u516c\u958b\u3057\u3066\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n

\u4eca\u73fe\u5728\u51fa\u6765\u308b\u3053\u3068<\/strong>
*SASI\u30d0\u30b9\u4e0a\u3067HDD\u30922\u53f0\u4f7f\u7528\u53ef\u80fd\u3002
\u4ed8\u5c5e\u30c9\u30e9\u30a4\u30d0\u306b\u3088\u308aSASI\u3067\u3082MO,CD-ROM(DVD-ROM),FD(D88)\u304c\u5229\u7528\u53ef\u80fd\u3002
*SCSI\u30d0\u30b9\u4e0a\u3067HDD\u30924\u53f0\u4f7f\u7528\u53ef\u80fd
MO,5MO\u307e\u305f\u306f\u30ea\u30e0\u30fc\u30d0\u30d6\u30ebHDD,CD-ROM(DVD-ROM)\u304c\u5229\u7528\u53ef\u80fd\u3002
\u4ed8\u5c5e\u30c9\u30e9\u30a4\u30d0\u306b\u3088\u308aFD(D88)\u304c\u5229\u7528\u53ef\u80fd\u3002<\/p>\n\n\n\n

\u30d4\u30f3\u30a2\u30b5\u30a4\u30f3\u3000SCSI\u3082\u8996\u91ce\u306b\u5165\u308c\u3066<\/strong>
DB0-DB8 I\/O =8p PA0-PA7
DBp I\/O = 1p(SCSI) PA8
ATN(32) I = 1p (SCSI) -PB13
BSY (36)O = 1p(2p)-PB14
ACK (38)I = 1p PB3
RST (40)I = 1p PB4
MSG(42) O = 1p PB15
SEL(44) I = 1p(2p) PB6 \u30ea\u30bb\u30ec\u30af\u30b7\u30e7\u30f3\u4e0d\u4f7f\u7528
C\/D(46) O = 1p PB7
REQ(48) O = 1p PB8
I\/O(50) O = 1p PB9 <\/p>\n\n\n\n

\u5408\u8a0818\u30d4\u30f3
5VOK\u30d4\u30f3 PA8,(9,10,11,12),14,15 PB3,4,6,7,8,9,(10,11),12,13,14,15 PC
termp 26\u30d4\u30f3<\/p>\n\n\n\n

ArdSCSino-stm32\u306b\u5bc4\u305b\u308b\u3068???
DB PB8-PB15
DBp PB0
ATN PA8
BSY PA9
ACK PA10
RST PA15
MSG PB3
SEL PB4
C\/D PB5
REQ PB6
I\/O PB7
SD\u30ab\u30fc\u30c9 PA4-7<\/p>\n\n\n\n

PC-98\u306eSASI\u30dd\u30fc\u30c8\u306e\u53e9\u304d\u65b9<\/strong>
o82,8
o82,40 \u3053\u306e2\u884c\u304c\u30bb\u30c3\u30c8\u3067SASI\u30d0\u30b9\u30ea\u30bb\u30c3\u30c8
i82 -> 00
o80,1 1\u53f0\u76ee\u306a\u30891
o82,60 \u30bb\u30ec\u30af\u30b7\u30e7\u30f3
o82,Cx (x->0=\u5272\u308a\u8fbc\u307f\u7981\u6b62 1=\u5272\u308a\u8fbc\u307f\u8a31\u53ef 2=DMA\u30d5\u30e9\u30b0 undoc\u53c2\u7167)
O80,xx \u30b3\u30de\u30f3\u30c9(6\u30d0\u30a4\u30c8\u5206)
i82 -> A0->\u30c7\u30fc\u30bfIN?
i80\u3092\u5fc5\u8981\u306a\u3060\u3051\u7e70\u308a\u8fd4\u3059
i82->AC \u30b9\u30c6\u30fc\u30bf\u30b9\u30d5\u30a7\u30fc\u30ba
i80 \u30b9\u30c6\u30fc\u30bf\u30b9\u30d0\u30a4\u30c8\u53d7\u4fe1
i82->BC \u30e1\u30c3\u30bb\u30fc\u30b8\u30d5\u30a7\u30fc\u30ba
i80 \u30e1\u30c3\u30bb\u30fc\u30b8\u30d0\u30a4\u30c8\u53d7\u4fe1
i82->00\u306b\u623b\u3063\u3066\u308b\u304b\u3082?
\u4e00\u56de\u306e\u6d41\u308c<\/p>\n\n\n\n

I82 \u30d0\u30b9\u30d5\u30ea\u30fc\u664200h
7bit REQ\u30a2\u30af\u30c6\u30a3\u30d6\u6642\u30d3\u30c3\u30c8\u304c\u7acb\u3064
6bit
5bit BSY\u30a2\u30af\u30c6\u30a3\u30d6\u6642\u306b\u30d3\u30c3\u30c8\u304c\u7acb\u3064
4bit MSG\u30a2\u30af\u30c6\u30a3\u30d6\u6642\u30d3\u30c3\u30c8\u304c\u7acb\u3064
3bit C\/D\u30a2\u30af\u30c6\u30a3\u30d6\u6642(\u30b3\u30de\u30f3\u30c9\u30e2\u30fc\u30c9)\u30d3\u30c3\u30c8\u304c\u7acb\u3064
2bit I\/O \u30a2\u30af\u30c6\u30a3\u30d6\u6642(\u53d7\u4fe1)\u30d3\u30c3\u30c8\u304c\u305f\u3064
1bit
0bit
<\/p>\n","protected":false},"excerpt":{"rendered":"

\u30e1\u30e2\u5e33\u304c\u308f\u308a\u306b\u30fb\u30fb\u30fb\u672c\u6765\u306f\u516c\u958b\u3059\u308b\u3088\u3046\u306a\u3082\u306e\u3067\u306f\u306a\u3044\u3051\u3069\u307e\u3042\u3066\u304d\u3068\u30fc\u306b 2022 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/pc98.asukadns.net\/index.php?rest_route=\/wp\/v2\/pages\/173"}],"collection":[{"href":"https:\/\/pc98.asukadns.net\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pc98.asukadns.net\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pc98.asukadns.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pc98.asukadns.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=173"}],"version-history":[{"count":24,"href":"https:\/\/pc98.asukadns.net\/index.php?rest_route=\/wp\/v2\/pages\/173\/revisions"}],"predecessor-version":[{"id":541,"href":"https:\/\/pc98.asukadns.net\/index.php?rest_route=\/wp\/v2\/pages\/173\/revisions\/541"}],"wp:attachment":[{"href":"https:\/\/pc98.asukadns.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=173"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}