started working on static gui

This commit is contained in:
Martin Preuss
2025-11-17 23:03:56 +01:00
parent defd869c26
commit f6e852be74
8 changed files with 1103 additions and 0 deletions

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<?xml?>
<gwbuild>
<extradist>
defs.asm
dialog.asm
main.asm
style.asm
titlewindow.asm
window.asm
</extradist>
</gwbuild>

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- Screen
- functions:
- show
- unshow
- touch
- key
- activeAreas:
- x, y, w, h (in FLASH)
- only small variable data in SRAM, no need for heap!

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; ***************************************************************************
; copyright : (C) 2025 by Martin Preuss
; email : martin@libchipcard.de
;
; ***************************************************************************
; * This file is part of the project "AqHome". *
; * Please see toplevel file COPYING of that project for license details. *
; ***************************************************************************
#ifndef AQH_AVR_STATICGUI_DEFS_ASM
#define AQH_AVR_STATICGUI_DEFS_ASM
; all offsets in byte size (to be used with LPM)
.equ WIN_F_OFFS_X_LO = 0
.equ WIN_F_OFFS_X_HI = 1
.equ WIN_F_OFFS_Y_LO = 2
.equ WIN_F_OFFS_Y_HI = 3
.equ WIN_F_OFFS_WIDTH_LO = 4
.equ WIN_F_OFFS_WIDTH_HI = 5
.equ WIN_F_OFFS_HEIGHT_LO = 6
.equ WIN_F_OFFS_HEIGHT_HI = 7
.equ WIN_F_SIZE = 8
.equ COLORWIN_F_OFFS_WIN = WIN_F_SIZE
.equ COLORWIN_F_OFFS_BG_COLOR_LO = WIN_F_SIZE
.equ COLORWIN_F_OFFS_BG_COLOR_HI = WIN_F_SIZE+1
.equ COLORWIN_F_OFFS_FG_COLOR_LO = WIN_F_SIZE+2
.equ COLORWIN_F_OFFS_FG_COLOR_HI = WIN_F_SIZE+3
.equ COLORWIN_F_SIZE = WIN_F_SIZE+4
.equ TEXTWIN_F_OFFS_WIN = COLORWIN_F_SIZE
.equ TEXTWIN_F_OFFS_FONT_LO = COLORWIN_F_SIZE
.equ TEXTWIN_F_OFFS_FONT_HI = COLORWIN_F_SIZE+1
.equ TEXTWIN_F_SIZE = COLORWIN_F_SIZE+2
.equ WIN_OFFS_X_LO = 0
.equ WIN_OFFS_X_HI = 1
.equ WIN_OFFS_Y_LO = 2
.equ WIN_OFFS_Y_HI = 3
.equ WIN_OFFS_WIDTH_LO = 4
.equ WIN_OFFS_WIDTH_HI = 5
.equ WIN_OFFS_HEIGHT_LO = 6
.equ WIN_OFFS_HEIGHT_HI = 7
.equ WIN_OFFS_BG_COL_LO = 8
.equ WIN_OFFS_BG_COL_HI = 9
.equ WIN_OFFS_FG_COL_LO = 10
.equ WIN_OFFS_FG_COL_HI = 11
.equ WIN_OFFS_FONT_LO = 12 ;byte address!
.equ WIN_OFFS_FONT_HI = 13
.equ WIN_SIZE = 14
.equ WIN_EVENT_DESTROY = 1
.equ WIN_EVENT_SHOW = 2
.equ WIN_EVENT_HIDE = 3
.equ WIN_EVENT_DRAW = 4
.equ WIN_EVENT_TIMER = 5
#endif ; AQH_AVR_STATICGUI_DEFS_ASM

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; ***************************************************************************
; copyright : (C) 2025 by Martin Preuss
; email : martin@libchipcard.de
;
; ***************************************************************************
; * This file is part of the project "AqHome". *
; * Please see toplevel file COPYING of that project for license details. *
; ***************************************************************************
#ifndef AQHOME_AVR_MODS_STATICGUI_DIALOG_ASM
#define AQHOME_AVR_MODS_STATICGUI_DIALOG_ASM
; ***************************************************************************
; defines
.equ DIALOG_MAX_ACTIVE = 8
.equ DIALOG_OFFS_HANDLER_LO = 0
.equ DIALOG_OFFS_HANDLER_HI = 1
.equ DIALOG_OFFS_OPTIONS = 2
.equ DIALOG_OFFS_COUNTER = 3
.equ DIALOG_SIZE = 4
.equ DIALOG_OPT_ACTIVE_BIT = 7
.equ DIALOG_FN_INIT = 0
.equ DIALOG_FN_FINI = 1
.equ DIALOG_FN_SHOW = 2
.equ DIALOG_FN_HIDE = 3
.equ DIALOG_FN_DRAW = 4
.equ DIALOG_FN_TOUCH = 5
.equ DIALOG_FN_TIMER = 6
; ***************************************************************************
; data
.dseg
dialogCurrent: .byte 2
dialogStack: .byte DIALOG_MAX_ACTIVE*2
dialogStackPos: .byte 1
dialogWindow: .byte WIN_SIZE
; ***************************************************************************
; code
.cseg
; ---------------------------------------------------------------------------
; @routine GraphApp_Init @global
;
DialogMgr_Init:
clr r16
sts dialogStackPos, r16
sts dialogCurrent, r16
sts dialogCurrent+1, r16
ldi yl, LOW(dialogWindow)
ldi yh, HIGH(dialogWindow)
bigcall TitleWindow_Init
ldi zl, LOW(ili9341Font12x20_1*2)
ldi zh, HIGH(ili9341Font12x20_1*2)
std Y+WIN_OFFS_FONT_LO, zl
std Y+WIN_OFFS_FONT_HI, zh
bigcall TitleWindow_SetFullSize
bigcall TitleWindow_SetStyleColors
bigcall Window_Clear
ret
; @end
; ---------------------------------------------------------------------------
; @routine DialogMgr_Every100ms @global
;
; Handle display touch events
; Send timer event to every app in the stack (started with last added app).
DialogMgr_Every100ms:
; check for touch input changes
rcall Display_InputGetState ; r16=flags, r5:r4=x, r7:r6=y
mov r17, r16
andi r17, (1<<DISPLAY_IFLAGS_CHGCOORD_BIT) | (1<<DISPLAY_IFLAGS_CHGPRESS_BIT)
breq DialogMgr_Every100ms_sendTimer
ldi r23, DIALOG_FN_TOUCH
rcall DialogMgr_CallCurrentHandler
DialogMgr_Every100ms_sendTimer:
; send timer event to all dialogs in stack
ldi xl, LOW(dialogStack)
ldi xh, HIGH(dialogStack)
lds r16, dialogStackPos
mov r17, r16
add r16, r16
add xl, r16
adc xh, r16
sub xh, r16
DialogMgr_Every100ms_loop:
tst r17
breq DialogMgr_Every100ms_ret
ld yh, -X
ld yl, -X
push xl
push xh
push r17
ldi r23, DIALOG_FN_TIMER
rcall DialogMgr_CallHandler
pop r17
pop xh
pop xl
dec r17
rjmp DialogMgr_Every100ms_loop
DialogMgr_Every100ms_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine DialogMgr_CallHandler @global
;
; @param Y pointer to app data
; @param R23 number of function to call
; @clobbers R16, R17, R22, X (any)
DialogMgr_CallHandler:
ldi xl, LOW(dialogWindow)
ldi xh, HIGH(dialogWindow)
ldd r16, Y+DIALOG_OFFS_HANDLER_LO
ldd r17, Y+DIALOG_OFFS_HANDLER_HI
mov r22, r16
and r22, r17
breq DialogMgr_CallHandler_ret
push r16
push r17
DialogMgr_CallHandler_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine DialogMgr_CallCurrentHandler @global
;
; @param X pointer to window
; @param R23 number of function to call
; @clobbers R22 (any)
DialogMgr_CallCurrentHandler:
lds yl, dialogCurrent
lds yh, dialogCurrent+1
rjmp DialogMgr_CallHandler
; @end
; ---------------------------------------------------------------------------
; @routine DialogMgr_PushDialog @global
;
; @param Y pointer to app data
;
DialogMgr_PushDialog:
lds r16, dialogStackPos
cpi r16, DIALOG_MAX_ACTIVE
brcc DialogMgr_PushDialog_ret
tst r16
brne DialogMgr_PushDialog_push
; deactivate previous app
push yl
push yh
lds yl, dialogCurrent
lds yh, dialogCurrent+1
ldi r23, DIALOG_FN_HIDE
rcall DialogMgr_CallHandler
ldd r17, Y+DIALOG_OFFS_OPTIONS
cbr r17, (1<<DIALOG_OPT_ACTIVE_BIT)
std Y+DIALOG_OFFS_OPTIONS, r17
pop yh
pop yl
DialogMgr_PushDialog_push:
lds r16, dialogStackPos
add r17, r17 ; *2
push xl
push xh
ldi xl, LOW(dialogStack)
ldi xh, HIGH(dialogStack)
add xl, r17
adc xh, r17
sub xh, r17
st X+, yl
st X, yh
pop xh
pop xl
inc r16
sts dialogStackPos, r16
; activate new app
ldd r17, Y+DIALOG_OFFS_OPTIONS
ori r17, (1<<DIALOG_OPT_ACTIVE_BIT)
std Y+DIALOG_OFFS_OPTIONS, r17
ldi r23, DIALOG_FN_SHOW
rcall DialogMgr_CallHandler
sec
DialogMgr_PushDialog_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine DialogMgr_PopDialog @global
;
; @return CFLAG set if app popped from stack, cleared otherwise
; @return Y app popped from stack (if CFLAG set)
DialogMgr_PopDialog:
lds r16, dialogStackPos
tst r16
clc
brne DialogMgr_PopDialog_ret
; deactivate previous app
push yl
push yh
lds yl, dialogCurrent
lds yh, dialogCurrent+1
ldi r23, DIALOG_FN_HIDE
rcall DialogMgr_CallHandler
ldd r17, Y+DIALOG_OFFS_OPTIONS
cbr r17, (1<<DIALOG_OPT_ACTIVE_BIT)
std Y+DIALOG_OFFS_OPTIONS, r17
pop yh
pop yl
lds r16, dialogStackPos
dec r16
sts dialogStackPos, r16
brne DialogMgr_PopDialog_pop
clr r16
sts dialogCurrent, r16
sts dialogCurrent+1, r16
sec
rjmp DialogMgr_PopDialog_ret
DialogMgr_PopDialog_pop:
push xl
push xh
ldi xl, LOW(dialogStack)
ldi xh, HIGH(dialogStack)
add xl, r16
adc xh, r16
sub xh, r16
ld yl, X+
ld yh, X
sts dialogCurrent, yl
sts dialogCurrent+1, yh
pop xh
pop xl
; activate new active app
ldd r17, Y+DIALOG_OFFS_OPTIONS
ori r17, (1<<DIALOG_OPT_ACTIVE_BIT)
std Y+DIALOG_OFFS_OPTIONS, r17
ldi r23, DIALOG_FN_SHOW
rcall DialogMgr_CallHandler
sec
DialogMgr_PopDialog_ret:
ret
; @end
#endif ; AQHOME_AVR_MODS_STATICGUI_DIALOG_ASM

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; ***************************************************************************
; copyright : (C) 2025 by Martin Preuss
; email : martin@libchipcard.de
;
; ***************************************************************************
; * This file is part of the project "AqHome". *
; * Please see toplevel file COPYING of that project for license details. *
; ***************************************************************************
#ifndef AQH_AVR_STATICGUI_MAIN_ASM
#define AQH_AVR_STATICGUI_MAIN_ASM
GUI_Init:
sec
ret
; @end
GUI_Every100ms:
ret
; @end
#endif ; AQH_AVR_STATICGUI_MAIN_ASM

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; ***************************************************************************
; copyright : (C) 2025 by Martin Preuss
; email : martin@libchipcard.de
;
; ***************************************************************************
; * This file is part of the project "AqHome". *
; * Please see toplevel file COPYING of that project for license details. *
; ***************************************************************************
#ifndef AQH_AVR_STATICGUI_STYLE_ASM
#define AQH_AVR_STATICGUI_STYLE_ASM
.equ STYLE_WIN_TITLE_BACKGROUND = DISPLAY_COLOR_NAVY
.equ STYLE_WIN_TITLE_FOREGROUND = DISPLAY_COLOR_WHITE
.equ STYLE_WIN_BACKGROUND = DISPLAY_COLOR_LIGHTGREY
.equ STYLE_WIN_FOREGROUND = DISPLAY_COLOR_BLACK
.equ STYLE_WIN_FONT = ili9341Font12x20_1
.equ STYLE_WIN_TITLE_HEIGHT = 24
#endif ; AQH_AVR_STATICGUI_STYLE_ASM

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; ***************************************************************************
; copyright : (C) 2025 by Martin Preuss
; email : martin@libchipcard.de
;
; ***************************************************************************
; * This file is part of the project "AqHome". *
; * Please see toplevel file COPYING of that project for license details. *
; ***************************************************************************
#ifndef AQH_AVR_STATICGUI_TITLEWINDOW_ASM
#define AQH_AVR_STATICGUI_TITLEWINDOW_ASM
.cseg
; ---------------------------------------------------------------------------
; @routine TitleWindow_Init @global
;
; @param Y pointer to titledwindow data (size=TITLEWINDOW_SIZE)
TitleWindow_Init:
bigcall Window_Init
ret
; @end
; ---------------------------------------------------------------------------
; @routine TitleWindow_SetFullSize @global
;
; @param Y pointer to screen object in SDRAM
; @clobbers any, !Y
TitleWindow_SetFullSize:
clr r16
std Y+WIN_OFFS_X_LO, r16
std Y+WIN_OFFS_X_HI, r16
std Y+WIN_OFFS_Y_LO, r16
std Y+WIN_OFFS_Y_HI, r16
ldi r16, LOW(DISPLAY_WIDTH)
std Y+WIN_OFFS_WIDTH_LO, r16
ldi r16, HIGH(DISPLAY_WIDTH)
std Y+WIN_OFFS_WIDTH_HI, r16
ldi r16, LOW(DISPLAY_HEIGHT)
std Y+WIN_OFFS_HEIGHT_LO, r16
ldi r16, HIGH(DISPLAY_HEIGHT)
std Y+WIN_OFFS_HEIGHT_HI, r16
ret
; @enb
; ---------------------------------------------------------------------------
; @routine TitleWindow_SetStyleColors @global
;
; @param Y pointer to screen object in SDRAM
; @clobbers any, !Y
TitleWindow_SetStyleColors:
ldi r16, LOW(STYLE_WIN_BACKGROUND)
ldi r17, HIGH(STYLE_WIN_BACKGROUND)
std Y+WIN_OFFS_BG_COL_LO, r16
std Y+WIN_OFFS_BG_COL_HI, r17
ldi r16, LOW(STYLE_WIN_FOREGROUND)
ldi r17, HIGH(STYLE_WIN_FOREGROUND)
std Y+WIN_OFFS_FG_COL_LO, r16
std Y+WIN_OFFS_FG_COL_HI, r17
ret
; @end
; ---------------------------------------------------------------------------
; @routine TitleWindow_DrawTitle @global
;
; @param Y pointer to screen object in SDRAM
; @param Z pointer to title
; @clobbers any, !Y
TitleWindow_DrawTitle:
; fill background of title area
clr r4
clr r5
clr r6
clr r7
ldd r8, Y+WIN_OFFS_WIDTH_LO
ldd r9, Y+WIN_OFFS_WIDTH_HI
ldi r16, LOW(STYLE_WIN_TITLE_HEIGHT)
ldi r17, HIGH(STYLE_WIN_TITLE_HEIGHT)
mov r10, r16
mov r11, r17
ldi r16, LOW(STYLE_WIN_TITLE_BACKGROUND)
mov r2, r16
ldi r16, HIGH(STYLE_WIN_TITLE_BACKGROUND)
mov r3, r16
rcall Window_FillRect
; draw title
ldi r16, 5 ; X
mov r4, r16
clr r5
ldi r16, 2 ; Y
mov r6, r16
clr r7
ldi r16, LOW(STYLE_WIN_TITLE_BACKGROUND)
mov r0, r16
ldi r16, HIGH(STYLE_WIN_TITLE_BACKGROUND)
mov r1, r16
ldi r16, LOW(STYLE_WIN_TITLE_FOREGROUND)
mov r2, r16
ldi r16, HIGH(STYLE_WIN_TITLE_FOREGROUND)
mov r3, r16
bigcall Window_DrawColorTextFlash
ret
; @end
; ---------------------------------------------------------------------------
; @routine TitleWindow_ClearContentArea @global
;
; @param Y pointer to screen object in SDRAM
; @clobbers any, !Y
TitleWindow_ClearContentArea:
clr r4
clr r5
ldi r16, LOW(STYLE_WIN_TITLE_HEIGHT)
mov r6, r16
ldi r16, HIGH(STYLE_WIN_TITLE_HEIGHT)
mov r7, r16
ldd r8, Y+WIN_OFFS_WIDTH_LO
ldd r9, Y+WIN_OFFS_WIDTH_HI
ldi r16, LOW(STYLE_WIN_TITLE_HEIGHT)
ldi r17, HIGH(STYLE_WIN_TITLE_HEIGHT)
ldd r10, Y+WIN_OFFS_HEIGHT_LO
ldd r11, Y+WIN_OFFS_HEIGHT_HI
sub r10, r16
sbc r11, r17
ldi r16, LOW(STYLE_WIN_BACKGROUND)
ldd r2, Y+WIN_OFFS_BG_COL_LO
ldd r3, Y+WIN_OFFS_BG_COL_HI
rcall Window_FillRect
ret
; @end
#endif ; AQH_AVR_STATICGUI_TITLEWINDOW2_ASM

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; ***************************************************************************
; copyright : (C) 2025 by Martin Preuss
; email : martin@libchipcard.de
;
; ***************************************************************************
; * This file is part of the project "AqHome". *
; * Please see toplevel file COPYING of that project for license details. *
; ***************************************************************************
#ifndef AQH_AVR_STATICGUI_WINDOW_ASM
#define AQH_AVR_STATICGUI_WINDOW_ASM
; ---------------------------------------------------------------------------
; @routine Window_Init @global
;
; @param Y pointer to screen object in SDRAM
; @clobbers R16, R17, X
Window_Init:
mov xl, yl
mov xh, yh
ldi r17, WIN_SIZE
clr r16
bigcall Utils_FillSram ; (R17, X)
ret
; @end
; ---------------------------------------------------------------------------
; @routine Window_Clear @global
;
; @param Y pointer to screen object in SDRAM
; @clobbers any, !Y
Window_Clear:
ldd r2, Y+WIN_OFFS_BG_COL_LO ; background color low
ldd r3, Y+WIN_OFFS_BG_COL_HI ; background color high
ldd r4, Y+WIN_OFFS_X_LO ; X low
ldd r5, Y+WIN_OFFS_X_HI ; X high
ldd r6, Y+WIN_OFFS_Y_LO ; Y low
ldd r7, Y+WIN_OFFS_Y_HI ; Y high
ldd r8, Y+WIN_OFFS_WIDTH_LO ; width low
ldd r9, Y+WIN_OFFS_WIDTH_HI ; width high
ldd r10, Y+WIN_OFFS_HEIGHT_LO ; height low
ldd r11, Y+WIN_OFFS_HEIGHT_HI ; height high
bigcall Display_FillRect
ret
; @end
; ---------------------------------------------------------------------------
; @routine Window_FillRect @global
;
; @param Y pointer to screen object in SDRAM
; @param r3:r2 color
; @param r5:r4 X0
; @param r7:r6 Y0
; @param r9:r8 X1/W
; @param r11:r10 Y1/H
; @clobbers any, !Y
Window_FillRect:
ldd r16, Y+WIN_OFFS_X_LO ; make absolute coords
ldd r17, Y+WIN_OFFS_X_HI
add r4, r16
adc r5, r17
ldd r16, Y+WIN_OFFS_Y_LO
ldd r17, Y+WIN_OFFS_Y_HI
add r6, r16
adc r7, r17
bigcall Display_FillRect ; directly call graphics function
ret
; @end
; ---------------------------------------------------------------------------
; @routine Window_DrawTextFlash @global
;
; @param Y pointer to screen object in SDRAM
; @param R5:R4 X (dest)
; @param R7:R6 Y (dest)
; @return R5:R4 X pos behind string
; @clobbers any, !Y, !R6, !R7
Window_DrawTextFlash:
ldd r0, Y+WIN_OFFS_BG_COL_LO
ldd r1, Y+WIN_OFFS_BG_COL_HI
ldd r2, Y+WIN_OFFS_FG_COL_LO
ldd r3, Y+WIN_OFFS_FG_COL_HI
rjmp Window_DrawColorTextFlash
; @end
; ---------------------------------------------------------------------------
; @routine Window_DrawColorTextFlash @global
;
; @param Y pointer to screen object in SDRAM
; @param R1:R0 background color
; @param R3:R2 foreground color
; @param R5:R4 X (dest)
; @param R7:R6 Y (dest)
; @return R5:R4 X pos behind string
; @clobbers any, !Y, !R6, !R7
Window_DrawColorTextFlash:
rcall winCalcAbsPosAndBorders ; (R18, R19)
Window_DrawColorTextFlash_loop:
lpm r16, Z
tst r16
breq Window_DrawColorTextFlash_loopEnd
rcall winDrawChar
brcc Window_DrawColorTextFlash_loopEnd
adiw zh:zl, 1 ; next char
rjmp Window_DrawColorTextFlash_loop
Window_DrawColorTextFlash_loopEnd:
ret
; @end
; ---------------------------------------------------------------------------
; @routine Window_DrawCharAt @global
;
; @param Y pointer to screen object in SDRAM
; @param R16 char to write
; @param R5:R4 X (dest)
; @param R7:R6 Y (dest)
; @return R5:R4 X pos behind char
; @clobbers any, !Y
Window_DrawCharAt:
rcall winCalcAbsPosAndBorders
ldd r0, Y+WIN_OFFS_BG_COL_LO
ldd r1, Y+WIN_OFFS_BG_COL_HI
ldd r2, Y+WIN_OFFS_FG_COL_LO
ldd r3, Y+WIN_OFFS_FG_COL_HI
rjmp winDrawChar
; @end
; ---------------------------------------------------------------------------
; @routine winCalcAbsPosAndBorders
;
; @param Y pointer to screen object in SDRAM
; @param R5:R4 X relative to window
; @param R7:R6 Y relative to window
; @return R9:R8 first X pos right of windows
; @return R5:R4 X relative to screen
; @return R7:R6 Y relative to screen
; @return R9:R8 first X pos right of window (abs)
; @return R11:R10 first Y pos below window (abs)
; @clobbers r18, r19
winCalcAbsPosAndBorders:
; calc abs X pos
ldd r18, Y+WIN_OFFS_X_LO
ldd r19, Y+WIN_OFFS_X_HI
add r4, r18 ; add X of window
adc r5, r19
; calc first X pos behind window
ldd r8, Y+WIN_OFFS_WIDTH_LO
ldd r9, Y+WIN_OFFS_WIDTH_HI
add r8, r18
adc r9, r19
; calc abs Y pos
ldd r18, Y+WIN_OFFS_Y_LO
ldd r19, Y+WIN_OFFS_Y_HI
add r6, r18 ; add Y of window
adc r7, r19
; calc first Y pos behind window
ldd r10, Y+WIN_OFFS_HEIGHT_LO
ldd r11, Y+WIN_OFFS_HEIGHT_HI
add r10, r18
adc r11, r19
ret
; @end
; ---------------------------------------------------------------------------
; @routine winDrawChar
;
; @param Y pointer to screen object in SDRAM
; @param R16 char to write
; @param R5:R4 absolute X on screen
; @param R7:R6 absolute Y on screen
; @param R9:R8 first X pos right of windows
; @return R5:R4 X pos behind char
; @clobbers any, !Y, !R6, !R7
winDrawChar:
push zl
push zh
mov r12, r16
ldd zl, Y+WIN_OFFS_FONT_LO
ldd zh, Y+WIN_OFFS_FONT_HI
; check whether the char fits inside window
bigcall FONT_GetCharWidth ; r16=char width
clr r17
add r16, r4 ; char width+X
adc r17, r5
sub r16, r8 ; check against window width
sbc r17, r9
brcc winDrawChar_ret ; not fit, jmp
; actually draw char
mov r16, r12
push r8
push r9
push r10
push r11
bigcall Display_DrawChar
pop r11
pop r10
pop r9
pop r8
clr r16
add r4, r18 ; increment X
adc r5, r16
sec ; write succeeded
winDrawChar_ret:
pop zh
pop zl
ret
; @end
; ---------------------------------------------------------------------------
; @routine Window_WriteHexWordAt @global
;
; @param Y pointer to screen object in SDRAM
; @param R17:R16 word to write
; @param R5:R4 X (dest)
; @param R7:R6 Y (dest)
; @return R5:R4 X pos behind string
; @clobbers any, !Y
Window_WriteHexWordAt:
push r16
mov r16, r17
rcall Window_WriteHexByteAt
pop r16
rcall Window_WriteHexByteAt
ret
; @end
; ---------------------------------------------------------------------------
; @routine Window_WriteHexByteAt @global
;
; @param Y pointer to screen object in SDRAM
; @param R16 byte to write
; @param R5:R4 X (dest)
; @param R7:R6 Y (dest)
; @return R5:R4 X pos behind string
; @clobbers any, !Y
Window_WriteHexByteAt:
push r16
swap r16
rcall winWriteNibble
pop r16
rcall winWriteNibble
ret
; @end
winWriteNibble:
push r4
push r5
push r6
push r7
rcall winNibbleToAscii ; write high nibble (r16, r17)
rcall Window_DrawCharAt ; draw
pop r7
pop r6
pop r5
pop r4
clr r17
add r4, r18
adc r5, r17
ret
; @end
; ---------------------------------------------------------------------------
; @routine winNibbleToAscii
;
; Convert a nibble to an ASCII char.
; @return R16 ASCII representation of that nibble (e.g. '0' for 0)
; @param R16 byte (in bits 0-3)
; @clobbers r16, r17
winNibbleToAscii:
andi r16, 0xf
cpi r16, 10
brcs winNibbleToAscii_l1
ldi r17, 7
add r16, r17
winNibbleToAscii_l1:
ldi r17, '0'
add r16, r17
ret
; @end
#if 0
; ---------------------------------------------------------------------------
; @routine Window_DrawTextFlash @global
;
; @param Y pointer to screen object in SDRAM
; @param R5:R4 X (dest)
; @param R7:R6 Y (dest)
; @return R5:R4 X pos behind string
; @return R7:R6 Y pos behind string
; @clobbers any, !Y
Window_DrawTextFlash:
; calc abs X pos
ldd r18, Y+WIN_OFFS_X_LO
ldd r19, Y+WIN_OFFS_X_HI
add r4, r18 ; add X of window
adc r5, r19
; calc first X pos behind window
ldd r8, Y+WIN_OFFS_WIDTH_LO
ldd r9, Y+WIN_OFFS_WIDTH_HI
add r8, r18
adc r9, r19
; calc abs Y pos
ldd r18, Y+WIN_OFFS_Y_LO
ldd r19, Y+WIN_OFFS_Y_HI
add r6, r18 ; add Y of window
adc r7, r19
; calc first Y pos behind window
ldd r10, Y+WIN_OFFS_HEIGHT_LO
ldd r11, Y+WIN_OFFS_HEIGHT_HI
add r10, r18
adc r11, r19
Window_DrawTextFlash_loop:
push zl
push zh
rcall winCalcLengthWordFlash
pop zh
pop zl
mov r18, r4
mov r19, r5
add r18, r12
adc r19, r13
sub r18, r8
sbc r19, r9
brcs Window_DrawTextFlash_xOkay
; we need to go to the beginning of the next line
rcall Window_DrawTextFlash_nextLine
brcc Window_DrawTextFlash_loopEnd ; outside the window, jmp
Window_DrawTextFlash_xOkay:
rcall winDrawWordFlash ; Z points at blank/0 byte after call
lpm r16, Z+
tst r16 ; end of string?
breq Window_DrawTextFlash_loopEnd
cpi r16, 13
breq Window_DrawTextFlash_handle13
; insert other handled chars here
; write blank char
push zl
push zh
ldd zl, Y+WIN_OFFS_FONT_LO
ldd zh, Y+WIN_OFFS_FONT_HI
ldi r16, 32 ; space
bigcall Display_DrawChar
pop zh
pop zl
add r4, r8 ; increment X
adc r5, r9
rjmp Window_DrawTextFlash_loopNext
Window_DrawTextFlash_handle13:
rcall Window_DrawTextFlash_nextLine
Window_DrawTextFlash_loopNext:
rjmp Window_DrawTextFlash_loop
Window_DrawTextFlash_nextLine:
push zl
push zh
ldd zl, Y+WIN_OFFS_FONT_LO
ldd zh, Y+WIN_OFFS_FONT_HI
bigcall FONT_GetCharWidth ; r16=char width
pop zh
pop zl
ldd r4, Y+WIN_OFFS_X_LO ; X=left border
ldd r5, Y+WIN_OFFS_X_HI
clr r17
add r6, r16 ; increment Y by font height
adc r7, r17
mov r16, r6 ; check against lower border of window
mov r17, r7
sub r16, r10
sbc r17, r11 ; CF set if inside window, cleared otherwise
ret
Window_DrawTextFlash_loopEnd:
ret
; @end
; ---------------------------------------------------------------------------
; @routine winDrawWordFlash
;
; @param Y pointer to screen object in SDRAM
; @param Z pointer to string in FLASH
; @param R1:R0 background color
; @param R3:R2 foreground color
; @param R5:R4 X (dest)
; @param R7:R6 Y (dest)
; @return r5:r4 next X pos
; @return Z pointer to next char behind current word
; @clobbers any, !Y, !r1-r15
winDrawWordFlash:
winDrawWordFlash_loop:
lpm r16, Z
cpi r16, 33
brcs winDrawWordFlash_ret
push zl
push zh
ldd zl, Y+WIN_OFFS_FONT_LO
ldd zh, Y+WIN_OFFS_FONT_HI
bigcall Display_DrawChar
pop zh
pop zl
clr r16
add r4, r18 ; increment X
adc r5, r16
adiw zh:zl, 1
rjmp winDrawWordFlash_loop
winDrawWordFlash_ret:
ret
; @end
; ---------------------------------------------------------------------------
; @routine winCalcLengthWordFlash
;
; @param Y pointer to screen object in SDRAM
; @param Z pointer to string in FLASH
; @return r13:r12 width of next word in pixels
; @return Z pointer to next char behind current word
; @clobbers any, !Y, !r1-r11, !r14, !r15
winCalcLengthWordFlash:
clr r12
clr r13
winCalcLengthWordFlash_loop:
lpm r16, Z
cpi r16, 33
brcs winCalcLengthWordFlash_ret
push zl
push zh
ldd zl, Y+WIN_OFFS_FONT_LO
ldd zh, Y+WIN_OFFS_FONT_HI
bigcall FONT_GetCharWidth ; r16=char width
clr r17
add r12, r16
adc r13, r17
pop zh
pop zl
brcs winCalcLengthWordFlash_error
adiw zh:zl, 1 ; next char
rjmp winCalcLengthWordFlash_loop
winCalcLengthWordFlash_error:
ldi r12, 0xff
ldi r13, 0xff
winCalcLengthWordFlash_ret:
ret
; @end
#endif ; if 0
#endif ; AQH_AVR_STATICGUI_WINDOW_ASM