mirror of
https://github.com/romychs/Ocean-240.2-Emulator.git
synced 2026-04-21 11:03:21 +03:00
155 lines
2.9 KiB
Go
155 lines
2.9 KiB
Go
package okean240
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/*
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* Ocean-240.2
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* Computer with FDC variant.
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* IO Ports definitions
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*
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* By Romych 2026-03-01
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*/
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/*
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* КР580ВВ55 DD79 USER PORT
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*/
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// USR_DD79PA User port A
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const USR_DD79PA = 0x00
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// USR_DD79PB User port B
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const USR_DD79PB = 0x01
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// USR_DD79PC User port C
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const USR_DD79PC = 0x02
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// USR_DD79CTR Config
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const USR_DD79CTR = 0x03 // Config: [1][ma1,ma0][0-aO|1-aI],[0-chO,1-chI],[mb],[0-bO|1-bI],[0-clO,1-clI]
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// Set bit: [0][xxx][bbb][0|1]
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/*
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* КР1818ВГ93 FDC Controller
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*/
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// FDC_CMD FDC Command
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const FDC_CMD = 0x20
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// FDC_TRACK FDC Track No
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const FDC_TRACK = 0x21
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// FDC_SECT FDC Sector
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const FDC_SECT = 0x22
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// FDC_DATA FDC Data
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const FDC_DATA = 0x23
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// FDC_WAIT FDC Wait
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const FDC_WAIT = 0x24
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/*
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* Floppy Controller port
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*/
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// FLOPPY Floppy Controller port
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const FLOPPY = 0x25 // WR: 5-SSEN, 4-#DDEN, 3-INIT, 2-DRSEL, 1-MOT1, 0-MOT0
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// RD: 7-MOTST, 6-SSEL, 5,4-x , 3-DRSEL, 2-MOT1, 1-MOT0, 0-INT
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/*
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* КР580ВВ55 DD78 Keyboard
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*/
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// KBD_DD78PA Port A - Keyboard Data
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const KBD_DD78PA = 0x40
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// KBD_DD78PB Port B - JST3,SHFT,CTRL,ACK,TAPE5,TAPE4,GK,GC
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const KBD_DD78PB = 0x41
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// KBD_DD78PC Port C - [PC7:5],[KBD_ACK],[PC3:0]
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const KBD_DD78PC = 0x42
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// KBD_DD78CTR Control port
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const KBD_DD78CTR = 0x43 // Сonfig: [1][ma1,ma0][0-aO|1-aI],[0-chO,1-chI],[mb],[0-bO|1-bI],[0-clO,1-clI]
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// Set bit: [0][xxx][bbb][0|1]
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/*
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* КР580ВИ53 DD70
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*/
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// TMR_DD70C1 Timer counter 1
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const TMR_DD70C1 = 0x60
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// TMR_DD70C2 Timer counter 2
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const TMR_DD70C2 = 0x61
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// TMR_DD70C3 Timer counter 3
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const TMR_DD70C3 = 0x62
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/*
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TMR_DD70CTR
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Timer config: [sc1,sc0][rl1,rl0][m2,m1,m0][bcd]
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sc - timer, rl=01-LSB, 10-MSB, 11-LSB+MSB
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mode 000 - int on fin,
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001 - one shot,
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x10 - rate gen,
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x11-sq wave
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*/
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const TMR_DD70CTR = 0x63
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/*
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* Programmable Interrupt controller PIC KR580VV59
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*/
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// PIC_DD75RS RS Port
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const PIC_DD75RS = 0x80
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// PIC_DD75RM RM Port
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const PIC_DD75RM = 0x81
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/*
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* КР580ВВ51 DD72
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*/
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// UART_DD72RD Serial data
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const UART_DD72RD = 0xA0
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// UART_DD72RR Serial status [RST,RQ_RX,RST_ERR,PAUSE,RX_EN,RX_RDY,TX_RDY]
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const UART_DD72RR = 0xA1
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/*
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* КР580ВВ55 DD17 System port
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*/
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// Port A - VShift[8..1] Vertical shift
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const SYS_DD17PA = 0xC0
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// Port B - Memory mapper [ROM14,13][REST][ENROM-][A18,17,16][32k]
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const SYS_DD17PB = 0xC1
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// Port C - HShift[HS5..1,SB3..1] Horisontal shift
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const SYS_DD17PC = 0xC2
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/*
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* SYS_DD17CTR
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* Сonfig: [1][ma1,ma0][0-aO|1-aI],[0-chO,1-chI],[mb],[0-bO|1-bI],[0-clO,1-clI]
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* Set bit: [0][xxx][bbb][0|1]
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*/
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const SYS_DD17CTR = 0xC3
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/*
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* КР580ВВ55 DD67
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*/
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// LPT_DD67PA Port A - Printer Data
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const LPT_DD67PA = 0xE0
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// VID_DD67PB Port B - Video control [VSU,C/M,FL3:1,COL3:1]
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const VID_DD67PB = 0xE1
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// DD67PC Port C - [USER3:1, STB-LP, BELL, TAPE3:1]
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const DD67PC = 0xE2
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/*
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* DD67CTR
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* Сonfig: [1][ma1,ma0][0-aO|1-aI],[0-chO,1-chI],[mb],[0-bO|1-bI],[0-clO,1-clI]
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* Set bit: [0][xxx][bbb][0|1]
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*/
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const DD67CTR = 0xE3
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