ESPKit/sources/DSS/sprinter.inc
2024-08-02 12:09:18 +03:00

37 lines
1.1 KiB
HTML

; ======================================================
; Defines for Sprinter computer hardware
; By Roman Boykov. Copyright (c) 2024
; https://github.com/romychs
; ======================================================
IFNDEF _SPRINTER
DEFINE _SPRINTER
; Memory pages
PAGE0_ADDR EQU 0x0000
PAGE1_ADDR EQU 0x4000
PAGE2_ADDR EQU 0x8000
PAGE3_ADDR EQU 0xC000
; Sprinter ports to switch mem pages
PAGE0 EQU 0x82
PAGE1 EQU 0xA2
PAGE2 EQU 0xC2
PAGE3 EQU 0xE2
; CTC Control register ports
CTC_CH0 EQU 0x10
CTC_CH1 EQU 0x11
CTC_CH2 EQU 0x12
CTC_CH3 EQU 0x13
CTC_CR_VEC EQU 0x01 ; 1 - Vector, 0 - Control
CTC_CR_SWR EQU 0x02 ; 1 - Software Reset, 0 - Continued operation
CTC_CR_TCF EQU 0x04 ; 1 - TYime const follows
CTC_CR_TTR EQU 0x08 ; 1 - Time trigger
CTC_CT_TRE EQU 0x10 ; 1 - Trigger Edge
CTC_CT_PRE EQU 0x20 ; 1 - 256 Prescaler, 0 - 16
CTC_CT_CTR EQU 0x40 ; 0 - Timer, 1 - Counter
CTC_CT_EI EQU 0x80 ; Interrupt 1 - enable, 0 - disable
ENDIF