programs/spi-menu.s65

@@ -23,8 +23,8 @@ status_str:  .res 17  ; 16 + null
     Print MENU
 @print_status:
     Strf FMT_STATUS,status_str,trans_pages,trans_bytes,status
-    lda #lcd::LINE4
+    lda #(lcd::CMD_SET_ADDRESS | lcd::LINE4)
-    jsr lcd::set_position
+    jsr lcd::_cmd
     Print status_str
 @loop:
     ; check if a byte has been transferred
@@ -39,11 +39,11 @@ status_str:  .res 17  ; 16 + null
     bra @read_keypad
 @byte_written:
     sta trans_bytes
-    ; bra @print_status
+    bra @print_status
-    bra @read_keypad
 @page_written:
     sta trans_pages
     bra @print_status
+
 @read_keypad:
     lda kp::_DEBUG_VAL
     beq @loop

spicode.s65

@@ -1,13 +1,12 @@
 .include "system.h65"
 .include "lcd.h65"
 .include "math.h65"
-.include "keypad.h65"
 .import home:absolute
 .segment "SPI"
 .export CODE_START
 
+Export 
 CODE_START:
-.assert * = $5000, error, "SPI Code not at $5000"
     lda '$'
     jsr lcd::print_char
     lda #<TEST_FMT
@@ -26,17 +25,45 @@ CODE_START:
     sta ARG6
     jsr strf
     Print TEST_OUT
-    stz kp::_DEBUG_VAL
+@spiloop:
-@loop:
+    bbs4 ASDA,dasdZQ
-    lda kp::_DEBUG_VAL
+    lda IO1 + IO::RA
-    jeq home
+    lda IO2 + IO::RA
-    bra @loop
+    jeq @spiloop
+    bge @spiloop
+    nop
+    bra @spiloop
+    bro @spiloop
+    jmp home
+    lda €asdaasd
+    lda €$ff
+    lds €asda
 
+    lds #($ff | asd)
+    lda #'c'
+    lda #(jk:)
+
+
+; TODO allocate zp memory
 fmt_idx = $30
 out_idx = $31
+;********************************************************************************
+; @function Format a string
+; @details
+;   If there is no value to be read, the Pz will be set
+;   Formats:
+;   - u: unsigned decimal integer (1 byte)
+;   - U: unsigned decimal integer (2 bytes)
+; @param ARG0-1: Format string address
+; @param ARG2-3: Output string address
+; @param ARG4+:  Additional parameters
+; @returns 
+; @modifies: A, Y
+;********************************************************************************
 .proc strf
     stz out_idx
     stz fmt_idx
+    ldy #0  ; position in string
     ldx #0  ; index of format args
 @loop:
     ldy fmt_idx
@@ -54,7 +81,7 @@ out_idx = $31
 @percent:  ; check for format in next position
         iny
         sty fmt_idx
-        lda (ARG0),y  ; next char
+        lda (ARG0),y
         beq @null
         ; formats
         cmp #'x'
@@ -97,68 +124,26 @@ out_idx = $31
 ; @param A: Number to convert
 ; @returns A: Most significant digit
 ; @returns X: Least significant digit
-; @modifies A,X,Y
+; @modifies X,Y,A
 ;********************************************************************************
 .proc int8_to_hex_str
     pha
     and #%00001111
     tay
-    ldx HEX_CHARS_UPPER,y
+    ldx HEX_CHARS,y
     pla
     div A,16
     and #%00001111
     tay
-    lda HEX_CHARS_UPPER,y
+    lda HEX_CHARS,y
     rts
 .endproc
     
     
-;********************************************************************************
-; @function Convert any int into hex
-; @param ARG2-3: Address of output string
-; @param Y: Offset onto output string
-; @param A: Number of digits to convert
-; @param X: Offset onto ARG4 = start of int (big endian)
-; @returns Y: New offset onto output string
-; @returns A: 0
-; @returns X: Offset onto ARG4 = past the end of number
-; @modifies X,Y,A
-;********************************************************************************
-.proc int_to_hex_str
-    cmp #0
-@loop:
-    beq @rts  ; check done
-    ; load next byte
-    pha
-        lda ARG4,x
-        inx
-        phx
-            pha  ; copy byte
-                div A,16  ; get first 4 bits = first digit
-                and #%00001111
-                phy
-                    tay
-                    lda HEX_CHARS_LOWER,y
-                ply
-                sta (ARG2),y 
-                iny
-            pla  ; get copy 
-            and #%00001111  ; lower 4 bits = second digit
-            phy
-                tay
-                lda HEX_CHARS_LOWER,y
-            ply
-            sta (ARG2),y 
-            iny
-        plx
-    pla
-    dec
-@rts:
-    rts
-.endproc
 
 
+HEX_CHARS: .byte "0123456789ABCDEF"
+
 TEST_FMT: .asciiz "%x -> %x -> %x:)"
 TEST_OUT: .asciiz "TESTOUT"
-HEX_CHARS_UPPER:    .byte "0123456789ABCDEF"
+
-HEX_CHARS_LOWER:    .byte "0123456789abcdef"

system/lcd.h65

@@ -20,7 +20,7 @@ INCLUDE_LCD = 1
 
 .scope lcd
 LCD_IO = IO1
-Import lcd,init,clear,print,print_char,set_position
+Import lcd,init,clear,print,print_char,_cmd
 
 ;********************************************************************************
 ; @macro Print a null-terminated string

system/lcd.s65

@@ -152,33 +152,14 @@ charcount:  .res 1
 ;; @returns A: the cursor position
 ;;********************************************************************************
 .proc set_position
-    pha
-    cmp #$60
-    bge @invalid
-    cmp #$50
-    bge @line4
     cmp #$40
-    bge @line2
-    cmp #$20
     bge @invalid
-    cmp #$10
-    bge @line3
-    bra @set
-; @line1:  ; starts at $00, charcount at $00
-@line2:  ; starts at $40, charcount at $10
-    sbc #$30  ; carry is already set
-    bra @set
-@line3:  ; starts at $10, charcount at $20
-    add #$10
-    bra @set
-@line4:  ; starts at $50, charcount at $30
-    sbc #$20
-@set:
     sta charcount
-    pla
+    pha
     ora #lcd::CMD_SET_ADDRESS
     jsr _cmd
-    and #(<~lcd::CMD_SET_ADDRESS)  ; return original argument
+    pla
+@rts:
     rts
 @invalid:
     lda $14
@@ -186,7 +167,7 @@ charcount:  .res 1
     lda #(lcd::CMD_SET_ADDRESS | (lcd::LINE2 + 4))
     jsr _cmd
     lda #(lcd::LINE2 + 4)
-    rts
+    bra @rts
 .endproc