lots of fixes

.dependencies

@@ -1,4 +0,0 @@
-.build/test.o:	test.s65 system/system.h65 system/io_W65C22.h65 utility.h65 /usr/share/cc65/asminc/longbranch.mac
-
-test.s65 system/system.h65 system/io_W65C22.h65 utility.h65 /usr/share/cc65/asminc/longbranch.mac:
-

.gitignore

@@ -1,3 +1,4 @@
 **.bin
 **.o
 .build
+.dependencies

Makefile

@@ -19,21 +19,22 @@ LDFLAGS 	= -C linker.conf
 $(BUILD_DIR):
 	mkdir $@
 
+.PHONY: default test clean
 default: $(ROM)
+test: ../test.bin
+
 
 $(ROM): $(BUILD_DIR)/main.o
 	$(LD) $(LDFLAGS) $< -o $@
 
-$(BUILD_DIR)/%.o: %.s65 $(BUILD_DIR)
-	$(ASM) $(ASMFLAGS) $(ASMDEPFLAGS) $< -o $@
-
-.PHONY = test
-test: ../test.bin
 ../test.bin: $(BUILD_DIR)/test.o
 	# $(VASM) -dotdir -opt-branch -wdc02 -chklabels test.asm6502 
-	# $(ASM) $(ASMFLAGS) test.asm6502 -o test.o
 	$(LD) $(LDFLAGS) $(BUILD_DIR)/test.o -o ../test.bin
 
+$(BUILD_DIR)/%.o: %.s65 | $(BUILD_DIR)
+	$(ASM) $(ASMFLAGS) $(ASMDEPFLAGS) $< -o $@
+
+
 clean:
 	rm -r $(BUILD_DIR)
 	rm $(ROM)

main.s65

@@ -1,6 +1,21 @@
 .segment "CODE"
 .include "system/system.h65"
 
+;********************************************************************************    
+; Modules
+;********************************************************************************    
+; LCD 
+    ; .include "utility.asm6502"
+LCD_IO = IO1
+    .include "lcd.s65"
+; Keypad Reading
+KP_IO = IO1
+    .include "keypad.s65"
+; Printer
+    .include "printer.s65"
+; Digital Humidity and Temerature Sensor
+    ; .include "dht.s65"
+
 ;********************************************************************************    
 ; Interrupts
 ;********************************************************************************    
@@ -45,15 +60,15 @@ reset:
     lda #%11111111
     sta IO1 + IO_RANH
 .endmacro
-    SET_DEBUG_LED_OFF
+    ; SET_DEBUG_LED_OFF
     jsr lcd_init
 
-    SET_DEBUG_LED_ON
+    ; .repeat 1000
-    .repeat 1000
+    ; nop
-    nop
+    ; .endrepeat
-    .endrepeat
+    ; SET_DEBUG_LED_ON
-    SET_DEBUG_LED_OFF
+    jsr kp_init
-    ; jsr kp_init
+    ; SET_DEBUG_LED_OFF
 
     ; ; INIT DHT
     ; lda #%11000010  ; enable interrupt for Timer 1 and CA1 on IO2
@@ -70,18 +85,20 @@ reset:
     cli
  
 .proc return_home
-    ldx #$00
+    Print message_menu
-@return_home:
+; @return_home:
-    lda menu,x
+;     lda menu,x
-    beq @return_home_done
+;     beq @return_home_done
-    sta TO_PRINT,x
+;     sta TO_PRINT,x
-    inx
+;     jsr _lcd_char
-    bra @return_home
+;     inx
-@return_home_done:
+;     bra @return_home
-    jsr lcd_print_clear
+; @return_home_done:
+;     jsr lcd_print_clear
 .endproc
 
 .proc home
+    ; SET_DEBUG_LED_ON
     jsr kb_read
     beq home
     cmp #'A'
@@ -89,40 +106,37 @@ reset:
     cmp #'B'
     ; jeq dht_request
     cmp #'C'
-    beq print_1
+    jeq print_1
     cmp #'D'
-    beq print_2
+    jeq print_2
 
     cmp #'*'  ; print home menu again if not visible (message 1 and 2 jmp to home)
     beq return_home
 
-    bra home
+    ; .repeat 500
+    ; nop
+    ; .endrepeat
+    ; SET_DEBUG_LED_OFF
+    ; .repeat 500
+    ; nop
+    ; .endrepeat
+
+    jmp home
+
 .endproc
 
 print_1:
-    ldx #$00
+    Print message_1
-@print_1:
-    lda message_1,x
-    sta TO_PRINT,x
-    inx
-    bne @print_1
-    jsr lcd_print_clear
     jmp home
 
 print_2:
-    ldx #$00
+    Print message_2
-@print_2:
-    lda message_2,x
-    sta TO_PRINT,x
-    inx
-    bne @print_2
-    jsr lcd_print_clear
     jmp home
 
 .segment "RODATA"
 message_1: .asciiz "   Powered by   ......6502......      ****      www.quintern.xyz"
 message_2: .asciiz "      Danke        fuer  eure    Aufmerksamkeit        ;)       " 
-menu: 
+message_menu: 
     .byte   "<A> Printer     "
     .byte   "<B> Temperatur  "
     .byte   "<C> Text 1      "
@@ -130,20 +144,6 @@ menu:
 
 .segment "CODE"
 ;********************************************************************************
-; Modules
-;********************************************************************************    
-; LCD 
-    ; .include "utility.asm6502"
-LCD_IO = IO1
-    .include "lcd.s65"
-; Keypad Reading
-KP_IO = IO1
-    .include "keypad.s65"
-; Printer
-    .include "printer.s65"
-; Digital Humidity and Temerature Sensor
-    ; .include "dht.s65"
-;********************************************************************************
 ; reset vector
 ;********************************************************************************
 .segment "RESET_VECTOR"

system/keypad.s65

@@ -1,9 +1,10 @@
 ;********************************************************************************
-; @module 4x4 Keypad
+; @module keypad4x4
 ; @type driver
 ; @device 4x4 Matrix Keypad
 ; @details
-;   Keypad must be connected to a VIA
+;   The LCD must be connected to a W65C22N Interface Chip:
+;     - IO.RB0-7  -> 
 ; @requires KP_IO: Base Address of IO Chip
 ; @depends IO-W65C22N
 ;********************************************************************************
@@ -18,8 +19,8 @@ INCLUDE_KEYPAD = 1
 ; Keypad Buffer from $202 to $2ff
 ;********************************************************************************
 KB_VAR      = $00
-KB_WRITE    = $200
+KB_WRITE    = $200  ; write pointer, relative to KB_WRITE
-KB_READ     = $201
+KB_READ     = $201  ; read ponter, relative to KB_START
 KB_START    = $202
 KB_LENGTH   = $fd
 

system/lcd.s65

@@ -3,14 +3,14 @@
 ; @type driver
 ; @device ELECTRONIC ASSEMBLY - W164B-NLW
 ; @details
-;   Assumes it is connected to a W65C22N Interface Chip:
+;   The LCD must be connected to a W65C22N Interface Chip:
 ;     - IO.RB0-7  -> LCD.D0-7 data lines
 ;     - IO.RA5    -> LCD.RS   register select
 ;     - IO.RA6    -> LCD.R/W  read/write
 ;     - IO.RA7    -> LCD.E    enable
 ;   
 ; @requires LCD_IO: Base Address of IO Chip
-; @optparam LCD_MEM: Address to a block of memory 1B. Default = $300
+; @optparam LCD_MEM: Memory address for a runtime variable. Default = $300
 ; @depends IO-W65C22N
 ;********************************************************************************
 
@@ -37,14 +37,14 @@ LCD_RW      = %01000000
 LCD_RS      = %00100000
     ; .local LCD_E,LCD_RW,LCD_RS
 
-; LCD Instructions
+; LCD Instructions (see datasheet for more)
 LCD_CMD_CLEAR           = %00000001  ; clear display
 LCD_CMD_ENTRY_MODE      = %00000110  ; auto-shift cursor
 LCD_CMD_DISPLAY_ON      = %00001111  ; everything on, with blinking cursor
 LCD_CMD_FUNCTION_SET    = %00111000  ; 8-bit, 4 lines, 5x7 font
 LCD_CMD_SET_ADDRESS     = %10000000  ; or with the address
 ; LCD Constants
-LCD_LINE1      = $00        ; line 1
+LCD_LINE1      = $00
 LCD_LINE2      = $40
 LCD_LINE3      = $10
 LCD_LINE4      = $50
@@ -61,9 +61,9 @@ LCD_CLEAR   = %00000000
     lda #$ff                        ; RB 0-7 output
     sta LCD_IO+IO_DDRB
 
-    UT_update_with_mask LCD_IO + IO_DDRA, (LCD_RS | LCD_RW | LCD_E), (LCD_RS | LCD_RW | LCD_E)
+    ; UT_update_with_mask LCD_IO + IO_DDRA, (LCD_RS | LCD_RW | LCD_E), (LCD_RS | LCD_RW | LCD_E)
-    ; lda #(LCD_RS | LCD_RW | LCD_E)   ; RA 5-7 output
+    lda #(LCD_RS | LCD_RW | LCD_E)   ; RA 5-7 output
-    ; sta LCD_IO+IO_DDRA
+    sta LCD_IO+IO_DDRA
 
     ; init lcd
     lda #LCD_CMD_FUNCTION_SET  
@@ -82,39 +82,44 @@ LCD_CLEAR   = %00000000
 ;********************************************************************************
 ; PRINTING TO LCD
 ;********************************************************************************
-_lcd_clear:              ; clear lcd
+
+;********************************************************************************
+; @function Clear the display
+; @see lcd_print
+;********************************************************************************
+.proc lcd_clear
     stz LCD_CHARCOUNT
     lda #LCD_CLEAR
     jsr _lcd_cmd
     lda #(LCD_CMD_SET_ADDRESS | LCD_LINE1)
     jsr _lcd_cmd
     rts
-
+.endproc
-;********************************************************************************
-; @function Clear the display and print a null-terminated string
-; @see lcd_print
-;********************************************************************************
-lcd_print_clear:        ; clear lcd and print word located at message
-    stz LCD_CHARCOUNT
-    lda #LCD_CLEAR
-    jsr _lcd_cmd
-    lda #(LCD_CMD_SET_ADDRESS | LCD_LINE1)
-    jsr _lcd_cmd
 
 ;********************************************************************************
 ; @function Print a null-terminated string
 ; @param ARG0-1 Address of the string to print
 ;********************************************************************************
-lcd_print:
+.proc lcd_print
-    ldx #$00
+    ldy #$00
-_lcd_print_loop:
+@lcd_print_loop:
-    lda (ARG0,x)
+    lda ARG0,y
-    beq _lcd_print_end
+    beq @lcd_print_end
     jsr _lcd_char
-    inx
+    iny
-    bra _lcd_print_loop
+    bra @lcd_print_loop
-_lcd_print_end:
+@lcd_print_end:
     rts
+.endproc
+
+.macro Print message
+    jsr lcd_clear
+    lda #.LOBYTE(message)
+    sta ARG0
+    lda #.HIBYTE(message)
+    sta ARG1
+    jsr lcd_print
+.endmacro
 
 ;********************************************************************************
 ; LCD Commands
@@ -138,7 +143,7 @@ _lcd_wait_nbusy:
     sta LCD_IO + IO_DDRB
     rts
     
-_lcd_cmd:            ; send cmd in acc
+.proc _lcd_cmd            ; send cmd in acc
     pha
     jsr _lcd_wait_nbusy
     pla
@@ -152,6 +157,7 @@ _lcd_cmd:            ; send cmd in acc
     lda #LCD_CLEAR
     sta LCD_IO + IO_RA
     rts
+.endproc
 
 _lcd_char:
     pha
@@ -173,7 +179,7 @@ _lcd_char:
 ;********************************************************************************
 ; Set the LCD DD-RAM Address so that text linebreaks after 16 chars
 ;********************************************************************************
-_lcd_set_address:
+.proc _lcd_set_address
     ; check if checks are necessary
     lda LCD_CHARCOUNT
     beq @lcd_line1
@@ -209,3 +215,4 @@ _lcd_set_address:
     lda #(LCD_CMD_SET_ADDRESS | LCD_LINE4)
     jsr _lcd_cmd
     rts
+.endproc

system/system.h65

@@ -15,13 +15,10 @@ INCLUDE_SYSTEM = 1
 ; 0200,0201 keybuffer write/read pointer
 ; 0202-02ff keybuffer
 ; 0300 lcd character counter
-; 0301 - 0341 message to print
 ; 0400, 0401, 0402 dht status, dht bit, dht_bit_rot
 ; 0403 value offset
 ; 0405-04a0 rh high/low, temp high/low, checksum
 
-TO_PRINT    = $300
-
 ; ARGUMENTS
 ; a,x,y can also be used 
 ARG0   = $10