191 lines
3.7 KiB
Plaintext
191 lines
3.7 KiB
Plaintext
.segment "CODE"
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.include "system/system.h65"
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.macro DEBUG_LED_OFF nr
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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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.endmacro
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.macro DEBUG_LED_ON nr
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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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.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 "lcd.s65"
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; Keypad Reading
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KP_IO = IO2
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.include "keypad.s65"
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; SPI
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SPI_IO = IO1
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.include "system/spi.s65"
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; Printer
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.include "printer.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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nmi:
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lda #'%'
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jsr _lcd_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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; Print str_irq
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@irq_io1:
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; todo use a reserved address instead of 0
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lda IO1+IO_IFR
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sta 0
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bbr7 0,@irq_io2
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bbs2 0,@irq_spi_p ; check SR
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@irq_io2:
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lda IO2+IO_IFR
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sta 0
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bbr7 0,@irq_return
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bbs4 0,@irq_keypad ; check CB1
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; this should never be reached
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Print str_irq_unknown
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; force reset interrupt flags
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lda #$ff
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sta IO1 + IO_IFR
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sta IO2 + IO_IFR
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bra @irq_return
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@irq_keypad:
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jsr kp_read_on_irq
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bra irq
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@irq_spi_p:
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jsr spi_p_read
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bra irq
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@irq_dht:
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lda IO1 + IO_T1CL ;T1L2 ; clear interrupt flag
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bra irq
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@irq_return:
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rti
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;********************************************************************************
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; Reset sequence
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;********************************************************************************
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reset:
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jsr spi_p_init
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jsr lcd_init
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jsr kp_init
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lda #$ff
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sta IO1 + IO_DDRA
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DEBUG_LED_ON 0
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DEBUG_LED_ON 1
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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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.proc return_home
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Print message_menu
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.endproc
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.proc home
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.macro wait
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wait:
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stz 1
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stz 2
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.repeat 2
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nop
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.endrepeat
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inc 1
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bne wait
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inc 2
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bne wait
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.endmacro
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; jsr rb_keypad_read
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lda KB_LAST
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beq home
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stz KB_LAST
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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 dht_request
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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 '4'
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bra debug
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cmp #'*' ; print home menu again if not visible (message 1 and 2 jmp to home)
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jeq return_home
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jmp home
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debug:
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DEBUG_LED_OFF 0
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jmp home
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.endproc
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print_1:
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Print message_1
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jmp home
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print_2:
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Print message_2
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jmp home
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.segment "RODATA"
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message_1: .asciiz " Powered by ......6502...... **** www.quintern.xyz"
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message_2:
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.byte " Hallo "
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.byte " Clara "
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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 "<C> Text 1 "
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.asciiz "<D> Text 2 "
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str_irq:
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.asciiz "IRQ detected! "
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str_irq_unknown:
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.asciiz "Unknown IRQ src!"
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.segment "CODE"
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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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