@A[hUMBŎgp邽߂ PC-9821 PCIڋ@
@gROMD000,D400ROM BASICGARAM

@PCIUMB.SYS@@Copyright(C) 2023-24 ܂ (DOSsoft)


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@PC-9800V[Ył D0000-D7FFFF̗̈͊gROM̂߂ɗpӂꂽ
łASCSI{[hgpĂẴGA͋󂢂Ă邱ƂłB
PCIoXڋ@ł̗̗͂̈ɂ͍ɃANZXłRAM݂
܂B{c[ł͂RAM\ɏoƂɂāÄ̗MS-DOS
 5.0`7.1UMB(Upper Memory Block)ƂĊpł܂B

@ʏ͉z86 EMM386UMBĎg܂A{c[RAMƂɁA
UMBgsfoCXhCo𓱓邱ƂɂāAuA[hUMBv
gƂ킯łB

@ۂPCIoXڈȑÕKV[PC-98ł͂̂悤ȃGARAM
܂BŃREMJV[Ỹ{[hi{EMSƂĎg
́jpAꂪD0000-D4000ĥƂɃ}bsOUMBƂ
gRAMo邱Ƃɂ܂B̋@\CPU80286ȏłΎgp
ł܂iDOS 5.080286ȏ㐄ƂȂĂ邽߁jB

@{c[ł͔ɋ@ˑRAM̕s܂BUMB\z
ɂẮAL̒ʂA̍̕iłUMBgc[gpĉB


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STEP-0@A[JCủ𓀂PCIUMB.SYS̎o
@A[JCu𓀂
EPCIUMB.SYS@ifoCXhCoj
EPCIUMB.EXE@i⏕c[ADOSsvOj
EPCIUMB.TXT@ĩhLgj
Ȃǂ܂̂ŁAǂ̃fBNgɕۑĂBȉł͐
̓sANhCũ[gfBNgɒûƂĂ܂B

STEP-1@PCIUMB.SYSconfig.sysɓo^
@Config.sys̐擪̂قɋLqĂBȂƂHIMEM.SYSOłB
u[gc[HSBƂ̑O֌W͂ǂ炪悢悭킩Ă܂B

STEP-2@UMBhCoconfig.sysɓo^
@UMBgc[hCo͂낢날Ǝv܂KȂ̂TĂ݂
B̈ƂāA EMUMBƂ̂Ƃ肠Đ܂B
https://www.vector.co.jp/soft/dos/hardware/se010042.html
EMUMBɂ͕̃hCot@C܂AHIMEM.SYS@\łgA

        device=EMUMB386.SYS /Ed000-d7ff /Me800-efff /
̂悤ɗLȔ͈͂w肵ĉB̋LqʒuHIMEM.SYSOƂ܂B
PCIoXڋ@łȂEMJ{[hgꍇ́AE8000h`ROM BASIC GAgp
܂̂ŁAUMBłD7FFFh܂ł݂̂g悤ɃIvVLqĂB

        device=EMUMB386.SYS /Ed000-d7ff

foCXhCőLqi܂ňj
@@@@device = PCIUMB.SYS
@@@@device = EMUMB386.SYS /Ed000-d7ff /Me800-efff
@@@@device = HIMEM.SYS /TESTMEM:OFF 

STEP-3@iPCIoX񓋍ڋ@ŃREMJV[Y{[hgꍇ̂݁j
@EMJV[Y{[h́AuEMSpvɗ\߃[^XCb`SW1,SW2ݒ
ĂĂBꕔłveNg[hݒɂƎgp
ł܂B܂{c[gȏEMS{[hƂĂ̕p͂ł܂̂ŁA
RMELEMM.SYSConfig.sysɋLqĂ͂܂BA[hEMSg
ꍇ́AEMJƂ͋ȂI-O DATA@퐻PC34V[Ỹ{[hA
I-O DATÃhCoEMM4J.SYSgpĂB{c[ƕpł܂B

STEP-4@KpčċN
@UMBƂGARAMoAUMBhCoUMBGAƂĊmۂĂ͂
łBEMJ{[hgpꍇD0000h`D7FFFĥUMBGAƂ邱Ƃł܂B
ȂɂȂɂBIOS ROMgROMGAɂ D0000h`D7FFFĥǂL
Ăꍇ́A̕܂16KBPʂRAM̊t܂B
UMBƂĎgGAȂ܂̂ŁAUMBhCo̗L͈͂𒲐
BgȂGAw肷ƃG[ɂȂ͂łB
@EMJ{[hgĂčċNƂ́AVAF
uUMBpshadow RAM̋󂫃GAȂCɓKpς݂łDȂɂ܂.v
Ƃ\oꍇ܂ACɂKv͂܂Bn[hEFA
ZbgȂċNł̓̓eێ̂ŁAɉɂL
ĂƔf܂B

Ogȕꍇ
@foCXgCôقADOSsvOƂ PCIUMB.EXEtĂ܂B
͗\RAMoł邩̊mFɗpĂBRAMołȂ̂
config.sysUMB̋LqƃnOAbv邱Ƃ܂AO
͂ĂׂłBȂconfig.sysŃnOAbvꍇ́ADOSN
FE8L[@As[hɂŁAPCIUMB.SYSUMBhCo
̂ƂŌ[Y/N]NAsĂB
@PCIoXڋ@łE8000h`RAM܂̂ŁAN88 ROM BASICgpłȂ
Ȃ܂BꂾłȂAROM BASIC̃[`gpOtBbN
vOɓ삵Ȃ̂\܂BȂPCI@EMJ
gpɂROM BASIC̃GAgp܂̂ŁA̐͂܂B

RDӁ@
@PCIoXڋ@̂̂̂ɂ͑ΉĂ܂BEMJ{[hΉ܂B
~@PC-9821 Xa,Xt,Xf, SV-98Cintel chipsetłȂm[g@

@UMBړIƂ킯łAgpłDOS̃o[W 5.0AȏłB

@RAMUMB̓A[hDOSňӖ܂BEMM386ĝł΂
@\łUMBɂł̂ŁA{c[͂Kvł͂܂񂪁AEMSړI
EMM386̕p͂ł܂B̏ꍇɂConfig.sysEMM386.EXE̋LqIvV
łUMB̊蓖Ắ͖i/NOUMBjƂĂĂB

@EMJ{[hPCIoXڋ@ł͖Ӗsǂ̂őȂłBB

@EMJ{[h͊ɏqׂ悤ɕKEMSpɐݒ肵ĂBȊÕ[h
ł͖{c[͎gpł܂B܂{c[gꍇEMJ{[hɁus
v{͎̂gpȂłBZbgɂȂɂɐL
̂ƔfARAM̊蓖ĂsȂȂĂ܂܂B

@IDEfoCXڑĂ炸IDE BIOSĂȂꍇɂ́AD8000h`DBFFFh
16KBɂRAM蓖Ă܂BKV[@ł͂̏ԂłɂPnP BIOS
\Ȃ悤łBUMB̃GA͈̔͂D7FFFhɉ邱Ƃ͉\łA
댯ł邱ƂɗӂĂĂB

@̓ރc[AE800RAM1.SYSƂ͕pł܂BC000RAM1.SYSƂ͕p
\ UMBGAő C0000h`CFFFFh,E8000h`EFFFFh96KBmۉ\łB

@I-O DATA@퐻PC34V[YpeLXgʃLv`c[
uTXTCPY34vƂ̂JĂ܂AgpROMAhXdȂ邽߁A
Ƃ̕p͂ł܂B

@PC34RV[YpROMG~[^uPC34D0v{Iɂ͕p͂ł
܂BPC34D0̂قLƂȂD0000h`D3FFFhLĂ
ꍇ́A{c[͂D4000h`D7FFFĥ݊蓖Ă邱Ƃŕpł
܂B̗RPC34D0̃}bsOꂽɂ́A{c[
D悳APC34D0삵ȂȂ܂B


SD̑
@\[XR[hpciumbsr.zipɓĂ܂B


TD
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̂悤Ȃ̂͂܂BځEԐړIɁÃvỎ^p̌ʂɉ
ĂA҂͈ؐӔCƂ邱Ƃ͂Ȃ̂Ƃ܂B쌠͍҂ێ
Ă܂B쌠NQ̂Ȃ悤ɂgB̃TCgւ̖f]ڂ
F߂܂BA惁[AhX́Agbvy[WɋLڂĂ܂B


UDyŗz
2023.11.1@1.00Ł@VK쐬
2024.8.11@1.10Ł@PC-9821StɑΉ

