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equs.inc
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equs.inc
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;
; Title: BBC Basic for AGON - Equs
; Author: Dean Belfield
; Created: 12/05/2023
; Last Updated: 08/06/2023
;
; Modinfo:
; 08/06/2023: Added SIZEW
XREF STAVAR
XREF ACCS
RAM_Top: EQU 0B0000h ; Initial value of HIMEM
;Stack_Top: EQU 0000h ; Stack at top
SIZEW: EQU 3 ; Size of a word (3 for ADL mode)
; For GPIO
; PA not available on eZ80L92
;
PA_DR: EQU 96h
PA_DDR: EQU 97h
PA_ALT1: EQU 98h
PA_ALT2: EQU 99h
PB_DR: EQU 9Ah
PB_DDR: EQU 9Bh
PB_ALT1: EQU 9Ch
PB_ALT2: EQU 9Dh
PC_DR: EQU 9Eh
PC_DDR: EQU 9Fh
PC_ALT1: EQU A0h
PC_ALT2: EQU A1h
PD_DR: EQU A2h
PD_DDR: EQU A3h
PD_ALT1: EQU A4h
PD_ALT2: EQU A5h
GPIOMODE_OUT: EQU 0 ; Output
GPIOMODE_IN: EQU 1 ; Input
GPIOMODE_DIO: EQU 2 ; Open Drain IO
GPIOMODE_SIO: EQU 3 ; Open Source IO
GPIOMODE_INTD: EQU 4 ; Interrupt, Dual Edge
GPIOMODE_ALTF: EQU 5; ; Alt Function
GPIOMODE_INTAL: EQU 6 ; Interrupt, Active Low
GPIOMODE_INTAH: EQU 7 ; Interrupt, Active High
GPIOMODE_INTFE: EQU 8 ; Interrupt, Falling Edge
GPIOMODE_INTRE: EQU 9 ; Interrupt, Rising Edge
; Originally in ram.asm
;
OC: EQU STAVAR+15*4 ; CODE ORIGIN (O%)
PC: EQU STAVAR+16*4 ; PROGRAM COUNTER (P%)
VDU_BUFFER: EQU ACCS ; Storage for VDU commands
; Originally in main.asm
;
CR: EQU 0DH
LF: EQU 0AH
ESC: EQU 1BH