246 lines
5.0 KiB
Plaintext
246 lines
5.0 KiB
Plaintext
.include "system/system.h65"
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.export home,homeloop
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.import printer:absolute
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.import spi_menu:absolute
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.code
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.macro DEBUG_LED_OFF nr
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pha
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lda IO1 + IO::RA
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.if nr = 0
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and #%11111110
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.else
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and #%11111101
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.endif
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sta IO1 + IO::RA
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pla
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.endmacro
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.macro DEBUG_LED_ON nr
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pha
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lda IO1 + IO::RA
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.if nr = 0
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ora #%00000001
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.else
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ora #%00000010
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.endif
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sta IO1 + IO::RA
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pla
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.endmacro
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;********************************************************************************
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; Modules
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;********************************************************************************
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; LCD
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; .include "utility.asm6502"
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; LCD_IO = IO1
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.include "system/lcd.h65"
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.include "chars.h65"
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; Keypad Reading
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; KP_IO = IO2
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.include "system/keypad.h65"
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; SPI
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.include "system/spi.h65"
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; Printer
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; .include "programs/printer.s65"
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.include "programs/print_slow.h65"
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; .include "programs/spi-menu.s65"
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; Digital Humidity and Temerature Sensor
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; .include "dht.s65"
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;********************************************************************************
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; Interrupts
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;********************************************************************************
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.zeropage
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irq_via_ifr: .res 1
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.code
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nmi:
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lda #'%'
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jsr lcd::print_char
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rti
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irq:
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; read IRFs, while bit 7 ist set handle interrupts
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@irq_io1:
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lda IO1 + IO::IFR
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sta irq_via_ifr
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bbr7 irq_via_ifr,@irq_io2 ; skip
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bbs2 irq_via_ifr,@irq_kb1 ; shit reg -> first 8 bits
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bbs5 irq_via_ifr,@irq_kb2 ; timer -> last 3 bits
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@irq_io2:
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lda IO2 + IO::IFR
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sta irq_via_ifr
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bbr7 irq_via_ifr,@irq_return ; skip
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bbs2 irq_via_ifr,@irq_spi_p ; check SR
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bbs1 irq_via_ifr,@irq_keypad ; check CA1
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; this SHOULD never be reached
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jsr lcd::clear
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Print "Unknown IRQ"
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; force reset interrupt flags
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lda #$ff
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sta IO1 + IO::IFR
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sta IO2 + IO::IFR
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rti
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; bra @irq_return
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@irq_keypad:
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lda #<@irq_return
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pha
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lda #>@irq_return
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pha
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jmp (spi_p::irq_handler)
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@irq_spi_p:
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jsr spi_p::read
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bra @irq_return
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@irq_kb1:
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; PrintNC "<30>"
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jsr $3000
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bra @irq_return
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@irq_kb2:
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; PrintNC "<31>"
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jsr $3100
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bra @irq_return
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; @irq_dht:
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; lda IO1 + IO::T1CL ;T1L2 ; clear interrupt flag
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; bra @irq_return
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@irq_return:
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rti
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;********************************************************************************
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; Reset sequence
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;********************************************************************************
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reset:
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jsr lcd::init
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; TODO debug stuff
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stz IO2 + IO::DDRB
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lda #$ff
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sta IO1 + IO::DDRA
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DEBUG_LED_OFF 0
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DEBUG_LED_OFF 1
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jsr kp::init
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SetCustomChar chars::CAT,0
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SetCustomChar chars::SMILEY,1
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SetCustomChar chars::SMILEY_XD,2
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; ; INIT DHT
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; lda #%11000010 ; enable interrupt for Timer 1 and CA1 on IO2
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; sta IER2
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; lda #%00111111 ; set Timer 1 to interrupt when loaded
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; and ACR2
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; sta ACR2
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; lda #%00000001 ; set PCR2 bit 0 CA1 pos edge interrupt
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; ora PCR2
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; sta PCR2
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; stz DHT_STATUS
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; enable interrupts
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cli
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bra home
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.proc home
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Print message_menu
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; jsr rb_keypad_read
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stz kp::_DEBUG_VAL
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bra homeloop
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.endproc
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.proc homeloop
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@loop:
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lda kp::_DEBUG_VAL
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beq @loop
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; TODO debug
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sta 0
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stz kp::_DEBUG_VAL
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lda 0
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; beq home
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cmp #'A'
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jeq printer
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cmp #'B'
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jeq spi_menu
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cmp #'C'
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jeq print_1
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cmp #'D'
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jeq print_2
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cmp #'1'
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beq @debug0_on
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cmp #'2'
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beq @debug0_off
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cmp #'4'
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beq @debug1_on
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cmp #'5'
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beq @debug1_off
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cmp #'7'
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beq @print_rb
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cmp #'*' ; print home menu again if not visible (message 1 and 2 jmp to home)
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beq home
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jmp @loop
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@debug0_off:
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DEBUG_LED_OFF 0
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jmp @loop
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@debug0_on:
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DEBUG_LED_ON 0
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jmp @loop
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@debug1_off:
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DEBUG_LED_OFF 1
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jmp @loop
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@debug1_on:
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DEBUG_LED_ON 1
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jmp @loop
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@print_rb:
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jsr lcd::clear
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Print str_io2
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lda IO2 + IO::RB
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jsr lcd::print_char
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lda #'''
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jsr lcd::print_char
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jmp @loop
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.endproc
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print_1:
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jsr lcd::clear
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PrintSlow message_1,10
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jmp home
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print_2:
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jsr lcd::clear
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PrintSlow message_2,10
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jmp home
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.rodata
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message_1:
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.byte " Powered by "
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.byte "......6502......"
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.byte " **** "
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.asciiz "www.quintern.xyz"
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message_2:
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.byte " Hello "
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.byte " there "
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.byte " <3 "
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.asciiz "================"
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message_menu:
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.byte "<A> Printer "
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; .byte "<B> Temperatur "
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.byte "<B> SPI-Menu "
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.byte "<C> Text 1 "
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.asciiz "<D> Text 2 "
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str_spi_begin:
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.asciiz "---BEGIN SPI---"
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str_spi_start:
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.asciiz "---START SPI---"
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str_io2:
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.asciiz "IO2::RB='"
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;********************************************************************************
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; reset vector
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;********************************************************************************
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.segment "RESET_VECTOR"
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.word nmi
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.word reset
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.word irq
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