ESPKit/sources/DSS/wterm.asm
2024-07-12 16:04:26 +03:00

243 lines
4.3 KiB
NASM

; ======================================================
; WTERM terminal for Sprinter-WiFi ISA Card
; For Sprinter computer DSS
; By Roman Boykov. Copyright (c) 2024
; https://github.com/romychs
; License: BSD 3-Clause
; ======================================================
; Set to 1 to turn debug ON with DeZog VSCode plugin
; Set to 0 to compile .EXE
DEBUG EQU 0
; Set to 1 to output TRACE messages
TRACE EQU 1
; Version of EXE file, 1 for DSS 1.70+
EXE_VERSION EQU 0
; Timeout to wait ESP response
DEFAULT_TIMEOUT EQU 2000
SLDOPT COMMENT WPMEM, LOGPOINT, ASSERTION
DEVICE NOSLOT64K
IF DEBUG == 1
INCLUDE "dss.asm"
DB 0
ALIGN 16384, 0
DS 0x80, 0
ENDIF
INCLUDE "macro.inc"
INCLUDE "dss.inc"
INCLUDE "sprinter.inc"
MODULE MAIN
ORG 0x8080
; ------------------------------------------------------
EXE_HEADER
DB "EXE"
DB EXE_VERSION ; EXE Version
DW 0x0080 ; Code offset
DW 0
DW 0 ; Primary loader size
DW 0 ; Reserved
DW 0
DW 0
DW START ; Loading Address
DW START ; Entry Point
DW STACK_TOP ; Stack address
DS 106, 0 ; Reserved
ORG 0x8100
@STACK_TOP
; ------------------------------------------------------
START
IF DEBUG == 1
; LD IX,CMD_LINE1
LD SP, STACK_TOP
ENDIF
CALL ISA.ISA_RESET
CALL WCOMMON.INIT_VMODE
PRINTLN MSG_START
CALL WCOMMON.FIND_SWF
PRINTLN WCOMMON.MSG_UART_INIT
CALL WIFI.UART_INIT
PRINTLN WCOMMON.MSG_ESP_RESET
CALL WIFI.ESP_RESET
CALL WCOMMON.INIT_ESP
PRINTLN MSG_HLP
CALL WIFI.UART_EMPTY_RS
XOR A
LD (Q_POS),A
MAIN_LOOP
; handle key pressed
LD C,DSS_SCANKEY
RST DSS
JP Z,HANDLE_RECEIVE ; if no key pressed
; check for QUIT command
LD A,(Q_POS)
CP 4
JP P,NO_QUIT
LD IX, CMD_QUIT
Q_POS EQU $+2
LD A,(IX+0x00)
; compare current char with "QUIT" str
CP E
JR NZ,NO_QUIT
LD HL,Q_POS
INC (HL)
LD A,(HL)
CP 5
JP Z,OK_EXIT
JR OUT_CHAR
NO_QUIT
XOR A
LD (Q_POS), A
OUT_CHAR
LD A, E
CP CR
JR Z, PUT_CHAR
CP 0x20
JP M, HANDLE_CR_LF
PUT_CHAR
CALL PUT_A_CHAR
HANDLE_CR_LF
CALL WIFI.UART_TX_BYTE
JP C,TX_WARN
LD A, E
CP CR
JR NZ,NO_TX_LF
LD E,LF
CALL WIFI.UART_TX_BYTE
JP C,TX_WARN
JR HANDLE_RECEIVE
NO_TX_LF
CP LF
JR NZ,HANDLE_RECEIVE
LD E,CR
CALL WIFI.UART_TX_BYTE
JP C,TX_WARN
; check receiver and handle received bytes
HANDLE_RECEIVE
; check receiver status
LD HL,REG_LCR
CALL WIFI.UART_READ
CP LSR_RCVE
JP NZ, RX_WARN
CP LSR_DR
JP Z, CHECK_FOR_END
; rx queue is not empty, read
LD HL,REG_RBR
CALL WIFI.UART_READ
LD E,A
CP CR
JR NZ, CHK_1F
; print CR+LF
CALL PUT_A_CHAR
LD A,LF
CALL PUT_A_CHAR
JP CHECK_FOR_END
CHK_1F
CP 0x20
CALL P, PUT_A_CHAR
CHECK_FOR_END
LD A,(Q_POS)
CP 5
JP Z, OK_EXIT
JP MAIN_LOOP
RX_WARN
LD C,A
LD DE,MSG_LSR_VALUE
CALL UTIL.HEXB
PRINTLN MSG_RX_ERROR
JP MAIN_LOOP
TX_WARN
PRINTLN MSG_TX_ERROR
JP MAIN_LOOP
PUT_A_CHAR
PUSH BC,DE
LD C,DSS_PUTCHAR
RST DSS
POP DE,BC
RET
; ------------------------------------------------------
; Do Some
; ------------------------------------------------------
OK_EXIT
LD B,0
JP WCOMMON.EXIT
; ------------------------------------------------------
; Custom messages
; ------------------------------------------------------
MSG_START
DB "Terminal for Sprinter-WiFi by Sprinter Team. v1.0.1, ", __DATE__, "\r\n", 0
MSG_HLP
DB"\r\nEnter ESP AT command or QUIT to close terminal.",0
MSG_TX_ERROR
DB "Transmitter not ready",0
MSG_RX_ERROR
DB "Receiver error LSR: 0x"
MSG_LSR_VALUE
DB "xx",0
; TX_DATA
; DB " ",0
; ------------------------------------------------------
; Custom commands
; ------------------------------------------------------
CMD_QUIT
DB "QUIT\r",0
IF DEBUG == 1
CMD_TEST1 DB "ATE0\r\n",0
BUFF_TEST1 DS RS_BUFF_SIZE,0
ENDIF
ENDMODULE
INCLUDE "wcommon.asm"
INCLUDE "util.asm"
INCLUDE "isa.asm"
INCLUDE "esplib.asm"
END MAIN.START