Mercurial > public > mk2
diff code_part1/OSTC_code_asm_part1/display_lowlevel.asm @ 706:d68c6a6b1f38
aa fonts processor
| author | heinrichsweikamp |
|---|---|
| date | Tue, 16 Apr 2013 15:40:27 +0200 |
| parents | 55983c4d6b2d |
| children | 2129862bbfe6 |
line wrap: on
line diff
--- a/code_part1/OSTC_code_asm_part1/display_lowlevel.asm Mon Apr 15 21:13:14 2013 +0200 +++ b/code_part1/OSTC_code_asm_part1/display_lowlevel.asm Tue Apr 16 15:40:27 2013 +0200 @@ -233,13 +233,13 @@ movlw 0x22 ; Start Writing Data to GRAM rcall DISP_CmdWrite bsf DISPLAY_rs ; Data! - movff win_color1, PORTD + movff win_color4, PORTD bcf DISPLAY_rw bsf DISPLAY_rw ; Upper - movff win_color2, PORTD + movff win_color5, PORTD bcf DISPLAY_rw bsf DISPLAY_rw ; High - movff win_color3, PORTD + movff win_color6, PORTD bcf DISPLAY_rw bsf DISPLAY_rw ; Lower return @@ -527,34 +527,50 @@ movff win_height,PRODL DISP_box3: ; loop width times + movff win_flags,WREG ; Display1? win_flags is in bank0... + btfsc WREG,1 ; Display1? + bra DISP_box3aa ; Yes + movff win_color1,PORTD bcf DISPLAY_rw bsf DISPLAY_rw ; Upper movff win_color2,PORTD + bra DISP_box3a ; Done. +DISP_box3aa: + movff win_color4,PORTD + bcf DISPLAY_rw + bsf DISPLAY_rw ; Upper + movff win_color5,PORTD bcf DISPLAY_rw bsf DISPLAY_rw ; Lower/High - movff win_flags,WREG ; Display1? win_flags is in bank0... - btfss WREG,1 ; Display1? - bra DISP_box3a ; No - movff win_color3,PORTD - bcf DISPLAY_rw - bsf DISPLAY_rw ; Lower + movff win_color6,PORTD DISP_box3a: + bcf DISPLAY_rw + bsf DISPLAY_rw ; Lower/High + + movff win_flags,WREG ; Display1? win_flags is in bank0... + btfsc WREG,1 ; Display1? + bra DISP_box3ab ; Yes + movff win_color1,PORTD bcf DISPLAY_rw bsf DISPLAY_rw ; Upper movff win_color2,PORTD + bra DISP_box3b + +DISP_box3ab: + movff win_color4,PORTD bcf DISPLAY_rw - bsf DISPLAY_rw ; Lower/High - movff win_flags,WREG ; Display1? win_flags is in bank0... - btfss WREG,1 ; Display1? - bra DISP_box3b ; No - movff win_color3,PORTD + bsf DISPLAY_rw ; Upper + movff win_color5,PORTD + bcf DISPLAY_rw + bsf DISPLAY_rw ; High + movff win_color6,PORTD + +DISP_box3b: bcf DISPLAY_rw bsf DISPLAY_rw ; Lower - -DISP_box3b: decfsz PRODL,F ; row loop finished ? bra DISP_box3 ; No: continue. @@ -567,7 +583,10 @@ clrf WREG ; Yes: switch to black movff WREG,win_color1 movff WREG,win_color2 - movff WREG,win_color3 ; Yes. + movff WREG,win_color3 + movff WREG,win_color4 + movff WREG,win_color5 + movff WREG,win_color6 DISP_box4: movff win_width,WREG cpfseq PRODH @@ -1114,10 +1133,7 @@ DISP_set_color:;Converts 8Bit RGB b'RRRGGGBB' into 16Bit RGB b'RRRRRGGG GGGBBBBB' movwf DISPLAY1_temp ; Get 8Bit RGB b'RRRGGGBB' movwf DISPLAY2_temp ; Copy - - movff win_flags,WREG ; Display1? win_flags is in bank0... - btfsc WREG,1 ; Display1? - bra DISP_set_color_display1 ; Yes + movff WREG,win_color6 ; Another (bank-safe) copy ; Display0 ; Mask Bit 7,6,5,4,3,2 @@ -1222,9 +1238,15 @@ movff DISPLAY1_temp,win_color1 movff DISPLAY3_temp,win_color2 ; Set Bank0 Color registers... - return + + movff win_flags,WREG ; Display1? win_flags is in bank0... + btfss WREG,1 ; Display1? + return ; No DISP_set_color_display1:;Converts 8Bit RGB b'RRRGGGBB' into 24Bit RGB b'00RRRRRR 00GGGGGG 00BBBBBB' + movff win_color6,DISPLAY1_temp + movff win_color6,DISPLAY2_temp + ; Mask Bit 7,6,5,4,3,2 movlw b'00000011' andwf DISPLAY2_temp,F @@ -1236,7 +1258,7 @@ movlw b'10100000' dcfsnz DISPLAY2_temp,F movlw b'11111000' - movff WREG,win_color3 ; B + movff WREG,win_color6 ; B movff DISPLAY1_temp, DISPLAY2_temp ; Copy ; Mask Bit 7,6,5,1,0 @@ -1260,7 +1282,7 @@ movlw b'10000000' dcfsnz DISPLAY2_temp,F movlw b'11111100' - movff WREG,win_color2 ; G + movff WREG,win_color5 ; G ; Mask Bit 4,3,2,1,0 movlw b'11100000' @@ -1287,5 +1309,5 @@ movlw b'10000000' dcfsnz DISPLAY1_temp,F movlw b'11111100' - movff WREG,win_color1 ; R + movff WREG,win_color4 ; R return