RSA-98@iIOf[^j

CoXRS-232Cg{[hijDVA|[g2chDechɑM^Mp
ɂꂼ2048Byte FIFOځiv8KBjD{[h8AfBbvXCb`12{~7Wp
XCb`1D
VARg[LSITEXAS INSTRUMENTSАTL16C550C̗pCő230.4Kbps̓]
xŒʐM\i}X^NbN14.7456MHzjD1chpf[^oXDB0`7C2chpf[^oX
DB8`15Dőd+5V, 500mA^+12VC30mA^-12VC35mADgp͉x0`40KC^x
20`80%iIȂƁjDgI/Ojbgł̎gp\D
RSA-98CRSA-98SBCRSA-98II/S𕡐gpĂRS-232C|[g𑝐݉\DYtBIOSł
ő32C܂Windows3.1pCOMhCoł͍ő7RS-232C|[g\iWindowsNT
3.5xWindows95pCOMhCoRSA-98V[Y1݂̂T|[gFWindowsNT3.5x
Windows95łRSA-98CRSA-98SBCRSA-98II/S̕gp͕sjDRSA-98ɂ͕ʔ̃VA
|[gRlN^RSA-EXpRSA-98SBt\D
f[^̎肱ڂh߁Ct[ݒ肵Ďgp̂ƁDn[ht[L
邽߂ɂ́CKRTS/CTSCDTR/DSR̐M̌ĂP[ugp̂ƁD

E8AfBbvXCb`SW1FI/O|[gAhX̏8bit̐ݒ
fBbv2ĩrbgp^ɑΉD
8̃fBbv4ꍇCO4-3-2-1ƌ㔼8-7-6-5̂ɂĂC16i
ƃfBbṽp^[̑Ή͈ȉ̒ʂF
0OFF-OFF-OFF-OFF
1OFF-OFF-OFF-ON
2OFF-OFF-ON-OFF
3OFF-OFF-ON-ON
4OFF-ON-OFF-OFF
5OFF-ON-OFF-ON
6OFF-ON-ON-OFF
7OFF-ON-ON-ON
8ON-OFF-OFF-OFF
9ON-OFF-OFF-ON
AON-OFF-ON-OFF
BON-OFF-ON-ON
CON-ON-OFF-OFF
DON-ON-OFF-ON
EON-ON-ON-OFF
FON-ON-ON-ON
j50hɐݒ肷ꍇC5-6-7-8OFF-ON-OFF-ONC܂1-2-3-4OFF-OFF-OFF-OFFɂꂼ
ݒ肷DȂo׎ݒ50hD
1FPC-9821V[YłI/O|[gAhX̏8rbgx8h`xFh\񂳂Ă̂ŁC
@@ x0h`x7h͈͓̔Őݒ̂ƁD
2F̋LqRSA-98V[Y戵i1996N34sjɈ˂Ă邪C6`7
     y[WSW1̐}ł́C"OFF"ɐݒ肷ɂ̓fBbvXCb`"ON"ɂ炷悤ȋLq
     ȂĂiRAS-98̎ɂ͔̋`fBbvXCb`\ĂȂ
@@ CIOf[^̑̃{[h̎̋Lq画fƁC{{[hł`fBbv
     XCb`Ă̂ƎvjD
j6ɐݒ肷ꍇ̎ł̐}
@@@WVUT
@@@SRQP
@@@
@@@
@@@@@@ON
I/O|[gAhX̉8bit͉L̂悤Ƀn[hEFAŌŒD
(1)TL16C550CRg[p|[g
1chFxxE0hCxxE2hCxxE4hCxxE6hCxxE8hCxxEAhCxxEChCxxEEh
2chFxxE1hCxxE3hCxxE5hCxxE7hCxxE9hCxxEBhCxxEDhCxxEFh
(2)MFIFOp|[gAhX
1chFxxD0hCxxD2hCxxD4hCxxD6h
2chFxxD1hCxxD3hCxxD5hCxxD7h
ivɉ8bitD0h`D7hCE0h`EFhŒj
GA-98NBV[YƂ̕pCI/O|[gAhXo׎ݒi50hĵ܂܂ł͏dC
@삵ȂD̏ꍇCRSA-98̃x[XI/O|[gAhX̏8bit40h`5FhȊOiGA-98NBI/C
@Ƃ̕p͂30h`32hȊOjŁC̑̃{[hƏdȂ悤ɐݒ̂ƁD

E2{~7WpXCb`JP1F荞݃x̐ݒ
ȉC荞݃xV[gׂs@̏
INT 01 c2{@io׎ݒj
INT 12 c2{
INT 23 c2{
INT 34 c2{
INT 415 c2{
INT 56 c2{
INT 67 c2{
荞ݕsgp6̏1{7̏1{iWpvOɂȂj
1ch2ch̊荞݃x͓D

COMhCoɂ
(1)COMhCo@for Windows95
ERSA-98̃x[XI/O|[gAhXo׎ݒ50hɌŒ肳ĂD
EfoCX}l[WŁu}`t@NVA_v^vƁugVA{[h(RSA-98)v
@̏ɃNbNDŁuvpeBvŗ|[gƂIRQɐݒD
EZbgAbvCugVA{[hv(RSA-98)(COM2)сugVA{[hv
@(RSA-98)(COM3)o^CCOM3!}[NɎxȂD
(2)COMhCo for WindowsNT3.x
ERSA-98̃x[XI/O|[gAhXo׎ݒ50hɁC܂荞݃xINT 0ɌŒ
@ĂD
EhCot@C̃Rs[I[WindowsNTZbgAbv][}EXF]̉ӏ
@[ACEI[f[^VA{[hRSA-98V[Y]ƕ\邪̂܂܏ID
@ċN[}EXF]̉ӏ[PC-9800}EXgp]ɖ߂ƁD
̃hCogpɂCRSA-98V[YBIOSRSA-98V[YVAhCo
gݍ܂ȂƁD
MS-DOSCWindows3.1pBIOS^hCoɂĂ͗DKvȏꍇ̓TCNfłł
@q˂ꂽD