PIO-48W(98)iCONTECj

8255Ai2ڂ48_oo̓{[hiTTLxjD8_Pʂ
o͂̐ݒ肪\D܂48_4_荞ݐMƂĎgp\D

Edl
o͌`FTTLxC_
͒RF10Ki1LS-TTLׁj
o͒iF+5VC1mAi2LS-TTLׁj
o͓_F48_iGNDʁj
L|[gF8rbg@8|[g
deʁF+5VC370mA
gpF0`50xC20`90%iIȂƁj

EI/O|[gAhX̐ݒ
SW1SW2ŁC{[hŎgp|[gQ̐擪AhXݒDݒ肵悤
Ƃ|[gAhXɍ킹CɑΉrbgXCb`ONɂD
SW26, 7, 8͏OFFƂ邱ƁD
CONTECł**D0H`**DFH͈̔͂𐄏i*0`F̔Cӂ̒ljD
AZuvOł̓o͂DXWX^ɂ郌WX^Ԑړ͖߂ɌD

E荞݂̐ݒ
荞ݐM͂̐ݒJP1ɂčsD荞݂gpȂꍇ̓Wp
OƁF

sԍiMj@JP1̃s@荞
@@@49iL-PC0)@@@@1@@@@INT0
@@@46iL-PC3j@@@ 2        INT4
      24iH-PC0j       3        INT5
      21iH-PC3j       4        INT6

荞݂͓͐MOFFONւ̗オ莞ɔD
No.9246̃{[hł͗莞Ɋ荞ݔD

EC^[tF[XRlN^̒[qԍƐM

@@[qԍ@M@@@ 
   @@1@  @H-PA7  
   @@2      H-PA6@b
   @@3      H-PA5@b
   @@4      H-PA4@bA|[g
   @@5      H-PA3@b
   @@6      H-PA2@b
   @@7      H-PA1@b
   @@8      H-PA0@
   @  9@  @H-PB7  
   @ 10      H-PA6@b
   @ 11      H-PB5@b
   @ 12      H-PB4@bB|[g
    @13      H-PB3@b
   @ 14      H-PB2@b
   @ 15      H-PB1@b
   @ 16      H-PB0@
   @ 17@  @H-PC7  
   @ 18      H-PC6@b
   @ 19      H-PC5@b
   @ 20      H-PC4@bC|[g
    @21      H-PC3@b
   @ 22      H-PC2@b
   @ 23      H-PC1@b
   @ 24      H-PC0@
@@@25@@@G N D@@@
@@@26@  @L-PA7  
   @ 27      L-PA6@b
   @ 28      L-PA5@b
   @ 29      L-PA4@bA|[g
    @30      L-PA3@b
   @ 31      L-PA2@b
   @ 32      L-PA1@b
   @ 33      L-PA0@
   @ 34@  @L-PB7  
   @ 35      L-PA6@b
   @ 36      L-PB5@b
   @ 37      L-PB4@bB|[g
    @38      L-PB3@b
   @ 39      L-PB2@b
   @ 40      L-PB1@b
   @ 41      L-PB0@
   @ 42@  @L-PC7  
   @ 43      L-PC6@b
   @ 44      L-PC5@b
   @ 45      L-PC4@bC|[g
    @46      L-PC3@b
   @ 47      L-PC2@b
   @ 48      L-PC1@b
   @ 49      L-PC0@
      50      G N D

{[hwʂ݂ꍇC
E1C̍2C24C̉E23CE26C̍27C
50C̉E49D

E|[gAhXƐM[q̑Ή

ݒ肵|[gAhX@@D7 D6 D5 D4 D3 D2 D1 D0
@@@@@+0 @@@@@@@@  ʁ@A|[g
@@@@@+1 @@@@@@@@  ʁ@A|[g
@@@@@+2 @@@@@@@@  ʁ@B|[g
@@@@@+3 @@@@@@@@  ʁ@B|[g
@@@@@+4 @@@@@@@@  ʁ@C|[g
@@@@@+5 @@@@@@@@  ʁ@C|[g
@@@@@+6 @@@@@   ʁ@8255ARg[
@@@@@+7 @@@@@   ʁ@8255ARg[


En[hEFA荞݂ɂ

(1)PC-9801V[Ył́C荞݃Rg[PD82592JXP[hڑ
@ ĂD荞݂gpɂ́CPD8259}XNZbgя
   e[uAhX̓o^sȂ΂ȂȂD

a)PD8259ɂ銄荞݃xƃ}XNrbgƂ̑ΉF
@INT 0F}X^8259i02H|[gjD3rbg
@INT 5FX[u8259i0AH|[gjD4rbg
@INT 6FX[u8259i0AH|[gjD5rbg
@Ɏ|[g̃rbgZbg邱ƂŊ荞݋ƂȂC
@rbgZbg邱ƂŊ荞ݕsƂȂD

@jINT 0CINT 5
@@IN AL,02H  @@@;݂̃}XNԂ̎荞
@@AND AL,0F7H@@@;INT 0ɑΉrbg̃NA
    OUT 02H,AL       ;V}XNԂZbg

@@IN AL,0AH  @@@;݂̃}XNԂ̎荞
@@AND AL,0EFH@@@;INT 5ɑΉrbg̃NA
    OUT 0AH,AL       ;V}XNԂZbg

b)荞݃xƊ荞ݏo^AhX
@INT 0FZOg0H^ItZbg2CH
@INT 5FZOg0H^ItZbg50H
@INT 6FZOg0H^ItZbg54H
@ɎAhX芄荞ݏvO̐擪AhXItZbgC
@ZOg̏ɓo^D

@jINT 0̊荞ݏAhXZOg1E00HCItZbg100HC
@@@܂INT 5̊荞ݏAhXZOg1E00HCItZbg
@@@200H̏ꍇ

@@@MOV AX,0                  ;ZOg0Zbg
      MOV DS,AX                 ;INT 0
      MOV WORD PTR [2CH],100H   ;ItZbgo^
      MOV WORD PTR [2EH],1E00H  ;ZOgo^
                                ;INT 5
      MOV WORD PTR [50H],200H   ;ItZbgo^
      MOV WORD PTR [52H],1E00H  ;ZOgo^

(2)荞ݏvO
@
a)荞ݏŎgp郌WX^̑ޔ
b)荞ݏ
c)荞݃Rg[PD8259̃Zbg
@MOV AL,20H  ;EOIR}hZbg
  OUT 0,AL    ;}X^PD8259̃Zbg
  OUT 8,AL    ;X[uPD8259̃Zbg
@INT 0̏ꍇCX[uPD8259̃Zbg͕svD
d)WX^A{IRET

z7600~񂩂瓊e܂B
肪Ƃ܂m(_ _)mB