
Date : Sat Mar 22, 01:33                                                       
From : Roman Khvatov                                        2:5020/249.8
To   : Fedin Pavel                         
Subj : H OC                                                              


 p ATM' p狼 ᥩ  - ᬮ ᪠ - p.
 Turbo 2+ 뫠 饭 pp  ᠭ,   pp  ⠫
(ᬮp  ⨭,  N4).  p祥 ᠭ p⮢ ( , 
쬠 ⭮):

--------------------------------------------
 :
1.SYS_CS - 77h (byte) WITH TR-DOS ON
 D0 - RG0
 D1 - RG1
 D2 - RG2
 D3 - TURBO ( 1 - 7 MHz)
 D4 - TON
 D5 - TNAB
 D6 - AD/KEY (0 - IBM PC XT KEYBOARD, 1 - ADC)
 D7 - NMI reset (0 - active)
 A8 - PEN (0 - DISABLE PAGE (PROGRAMMING MODE),1 - ENABLE PAGE)
 A9 - DOS_ON (0 - SET TR-DOS ON & ENABLE PORTS SYS & PAGE)
 A14 - PEN2 (0 - ENABLE CS FOR DSK_RAM & PAL_CS,1 - DISABLE)

 Mode    RG2&RG1&RG0
Sinclear      3
640x200       2
320x200       0
Text          6


2.PAGE_CS - F7h (BYTE) WITH TR-DOS ON
PAGE RAM INPUTS :
 A0 - A14
 A1 - A15
 A2 - ROM2
 A4 - ???
PAGE RAM OUTPUS :
 D0 - RAM&ROM PAGE 0
 D1 - RAM&ROM PAGE 1
 D2 - RAM&ROM PAGE 2
 D3 - RAM&ROM PAGE 3
 D4 - RAM&ROM PAGE 4
 D5 - ROM (1 - ENABLE ROM)
 D6 - RAM (0 - ENABLE RAM)
 D7 - MX_A (0 - ENABLE PAGE_NUM (0-2) FROM S128 PAGE_PORT (7FFDH)

3.ADC/KEYBOARD DATA PORT - 7D7Dh
4.MISC CONTROL READ PORT - 7FFDh
        D7 - ADC/KEY READY (HIGH)
        D6 - HARD INT (HIGH)
        D5 - TELEPHONE LINE IS UP (HIGH)
        D4 - BELL ON TELEPHONE LINE (HIGH)
-------------------------------------------------------------

    室 BIOS' (筥 뫮    p)
 Turbo 2+ (  /378,  㤠 - )

Roman

--- GoldED 2.40+
 * Origin: XVR Product (mail only) (2:5020/249.8)
