mk2: code_part1/OSTC_code_asm_part1/aa_wordprocessor.asm annotate

annotate code_part1/OSTC_code_asm_part1/aa_wordprocessor.asm @ 801:ba084dfa4b36

minor

author	heinrichsweikamp
date	Sat, 11 Oct 2014 11:18:15 +0200
parents	f32b9ad6244c
children	2750099bf5bb

rev	line source
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	1 ;=============================================================================
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	2 ;
95 d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	3 ; File aa_wordprocessor.asm
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	4 ;
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	5 ; Anti-aliased word processor
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	6 ;
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	7 ; This program is free software: you can redistribute it and/or modify
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	8 ; it under the terms of the GNU General Public License as published by
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	9 ; the Free Software Foundation, either version 3 of the License, or
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	10 ; (at your option) any later version.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	11 ;
95 d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	12 ; This program is distributed in the hope that it will be useful,
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	13 ; but WITHOUT ANY WARRANTY; without even the implied warranty of
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	14 ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	15 ; GNU General Public License for more details.
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	16 ;
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	17 ; You should have received a copy of the GNU General Public License
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	18 ; along with this program. If not, see <http://www.gnu.org/licenses/>.
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	19 ;
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	20 ; Copyright (c) 2010, JD Gascuel.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	21 ;=============================================================================
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	22 ; HISTORY
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	23 ; 2010-11-22 : [jDG] Creation.
95 d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	24 ; 2010-12-01 : [jDG] Adding 3bits antialiased fonts.
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	25 ; 2010-12-30 : [jDG] Revised to put temp into ACCESSRAM0
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	26 ;
95 d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	27 ; BUGS :
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	28 ; * If the three fonts are not in the same half of the PROM memory, TBLPTRU
d79bf9df55d7 aa_wordprocessor too fast ? JeanDo parents: 91 diff changeset	29 ; will be badly set, and font48 or font90 will display giberish...
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	30 ;=============================================================================
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	31 ;
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	32 ; MEMORY FOOTPRINT:
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	33 ;------------------
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	34 ;
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	35 ; wp_wordprocessor : 8KB, including fonts.
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	36 ; aa_wordprocessor : 0.5KB code
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	37 ; + 3.5KB aa_font28 (reduced to 99 chars)
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	38 ; + 1.6KB aa_font48
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	39 ; + 2.2KB aa_font90
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	40 ; = 7.9 KB including fonts...
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	41 ;
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	42 ; Input registers:
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	43 ; letter:26 String to print.
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	44 ; win_font Font size (0=small, 1=medium, 2=large)
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	45 ; win_color1:2 16bits unpacked color
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	46 ; win_top, win_leftx2 Position on screen
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	47 ; win_inverse Inverse video mode.
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	48 ;
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	49 ; Available general purpose registers:
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	50 ; PRODH, PRODL (needed for array indexing)
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	51 ; FSRx 12bits. Usefull as RAM pointers.
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	52 ;=============================================================================
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	53 ; Temporary variables are overlayed in bank 0 ACCESS, used also by C-code
260 bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register. JeanDo parents: 167 diff changeset	54 ; (p2_deco), MPLAB math and stdlib libraries.
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	55
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	56 CBLOCK 0x000
260 bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register. JeanDo parents: 167 diff changeset	57 aa_flags ; Various flags for aa_wordprocessor
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register. JeanDo parents: 167 diff changeset	58 aa_width:2 ; Width in pixels (0..319)
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register. JeanDo parents: 167 diff changeset	59 aa_bitlen ; Count of pixels when decoding bitmaps.
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register. JeanDo parents: 167 diff changeset	60 aa_start:2 ; PROM ptr to start of encoded bitmap
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register. JeanDo parents: 167 diff changeset	61 aa_end:2 ; and end of it.
bde83cac971f BUGFIX bb13 : deco_calc_desaturation_time() should reset TBLPTR Upper register. JeanDo parents: 167 diff changeset	62 aa_temp:2 ; Current color, divided by 2 or 4
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	63 ENDC
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	64
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	65 ; Flags allocation:
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	66 #define aa_antialias aa_flags,0
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	67 #define aa_color_quart aa_flags,1
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	68 #define aa_color_half aa_flags,2
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	69
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	70 ;------------------------------------------------------------------------------
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	71 ; Setup pointers for a char:
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	72 ; Inputs WREG = char to draw, win_font
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	73 ; Output aa_start, aa_end, win_height, aa_flags
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	74 ; Trashed PRODH, PRODL, TBLPTR, TABLAT
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	75 ;
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	76 aa_char_setup:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	77 movwf PRODL,A ; save char into PROD for now.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	78
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	79 movf win_font,W,BANKED ; Get font number (updates Z flag)
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	80 bnz aa_char_1
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	81
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	82 ; SMALL font ---------------------------------------------------------
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	83 ; Font SMALL character folding...
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	84 aa_char_0:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	85 movlw LOW aa_font28_block
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	86 movwf TBLPTRL,A
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	87 movlw HIGH aa_font28_block
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	88 movwf TBLPTRH,A
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	89 bra aa_char_3
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	90
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	91 ; MEDIUM font --------------------------------------------------------
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	92 aa_char_1:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	93 decfsz WREG,A ; This is medium font ???
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	94 bra aa_char_2
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	95
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	96 ; Font MEDIUM block:
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	97 movlw LOW aa_font48_block
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	98 movwf TBLPTRL,A
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	99 movlw HIGH aa_font48_block
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	100 movwf TBLPTRH,A
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	101 bra aa_char_3
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	102
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	103 ; LARGE font ---------------------------------------------------------
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	104 aa_char_2:
775 f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	105 decfsz WREG,A ; This is medium font ???
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	106 bra aa_char_2a
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	107
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	108 ; Font LARGE block:
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	109 movlw LOW aa_font90_block
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	110 movwf TBLPTRL,A
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	111 movlw HIGH aa_font90_block
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	112 movwf TBLPTRH,A
775 f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	113 bra aa_char_3
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	114
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	115 ; HUGE font ---------------------------------------------------------
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	116 aa_char_2a:
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	117 ; Font HUGE block:
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	118 movlw LOW aa_font120_block
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	119 movwf TBLPTRL,A
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	120 movlw HIGH aa_font120_block
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	121 movwf TBLPTRH,A
f32b9ad6244c add 120px HUGE font heinrichsweikamp parents: 706 diff changeset	122
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	123
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	124 ; Execute font block -------------------------------------------------
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	125 aa_char_3:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	126 ; This is safe iff the three fonts are in the same code segment
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	127 ; (and that segment do not span the 64K edge...)
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	128 movlw UPPER aa_font28_block
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	129 movwf TBLPTRU,A
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	130
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	131 ; Proceed to character substitutions
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	132 aa_char_30:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	133 tblrd*+ ; Read FROM char
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	134 movf TABLAT,W ; Get it, and set Z,N
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	135 bz aa_char_32 ; Break at end of translations
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	136
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	137 tblrd*+ ; Read TO char
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	138 cpfseq PRODL,A ; FROM == current char ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	139 bra aa_char_30 ; Different: loop
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	140 movff TABLAT, PRODL ; make substitution
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	141 bra aa_char_30 ; Loop.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	142
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	143 ; Make sure char is in the available range
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	144 aa_char_32:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	145 tblrd*+ ; Read first char
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	146 movf TABLAT,W ; get it.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	147 subwf PRODL,F ; (char - first) --> PRODL
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	148
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	149 tblrd*+ ; Read nb chars
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	150 movf TABLAT,W ; nbchars --> WREG
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	151 tblrd*+ ; Read default char
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	152 cpfslt PRODL ; if char > WREG ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	153 movff TABLAT,PRODL ; replace PRODL
91 3bcccb697bce Added HW logo and dimmed cursor in small font. JeanDo parents: 83 diff changeset	154
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	155 ; Decode font height and anti-aliasing mode
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	156 clrf aa_flags,ACCESS ; Default to no AA
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	157 tblrd*+ ; Read font height + AA flag
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	158 movf TABLAT,W ; into WREG
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	159 bnn aa_char_34 ; High bit set ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	160 bsf aa_antialias,ACCESS ; YES : then the font is AA.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	161 aa_char_34:
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	162 andlw 0x7F ; Keep just font height,
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	163 movwf win_height,BANKED ; then save it (its a register)
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	164
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	165 ; Set PROM pointer to the char index
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	166 movf PRODL,W ; Read back char
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	167 mullw 2 ; PROD = 2*(char - base), TBLPTR=idx
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	168 movf PRODL,W
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	169 addwf TBLPTRL,F ; Add into TBLPTR (low byte)
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	170 movf PRODH,W
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	171 addwfc TBLPTRH,F ; and high byte.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	172
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	173 ; Read start and stop pointers
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	174 tblrd+ ; aa_start = PROM16(tblptr++)
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	175 movff TABLAT,aa_start+0 ; Read low byte
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	176 tblrd*+
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	177 movff TABLAT,aa_start+1 ; and high byte
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	178
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	179 tblrd+ ; aa_end = PROM16(tblptr++)
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	180 movff TABLAT,aa_end+0 ; Read low byte
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	181 tblrd*+
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	182 movff TABLAT,aa_end+1 ; and high byte
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	183
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	184 return
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	185
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	186 ;------------------------------------------------------------------------------
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	187 ; Character width
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	188 ; Inputs aa_start, aa_end, aa_width, win_height, aa_flags
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	189 ; Output width added to aa_width
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	190 ; Trashed aa_bitlen, TBLPTR, TABLAT
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	191 ;
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	192 aa_char_width:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	193 movff aa_start+0, TBLPTRL ; TBLPTR = aa_start
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	194 movff aa_start+1, TBLPTRH
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	195 clrf aa_bitlen,ACCESS ; clear reminders...
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	196
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	197 ; Read bitmap byte, and decode length:
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	198 aa_char_width_1:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	199 ifdef AA_BYTE_SWAP
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	200 btg TBLPTRL,0,A ; Toggle low ptr bit.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	201 tblrd*
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	202 movf TABLAT,W,A ; Store to WREG
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	203 btg TBLPTRL,0,A ; Get is back
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	204 tblrd*+ ; then increment (but trash TABLAT)
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	205 movwf TABLAT,A ; Then restore copy to TABLAT.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	206 else
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	207 tblrd*+ ; Normal read...
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	208 movf TABLAT,W,A ; Store copy to WREG
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	209 endif
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	210 btfss aa_antialias,ACCESS ; Antialiased font ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	211 bra aa_char_width_10 ; No: always 7 bits count
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	212
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	213 bn aa_char_width_10 ; Non-white pixels ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	214 andlw 0x1F ; Yes : 5 bits count.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	215 aa_char_width_10:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	216 andlw 0x7F ; No: 7 bit count.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	217 incf WREG,A ; WREG = repetition count
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	218 addwf aa_bitlen,F,ACCESS ; Add remaining pixels from last code.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	219
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	220 movf win_height,W,BANKED ; WREG = - height
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	221 negf WREG,A
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	222
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	223 ; This is a hand-made division by successive substraction of height
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	224 aa_char_width_2:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	225 addwf aa_bitlen,F,ACCESS ; Try to substract win_height
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	226 bn aa_char_width_3 ; If neg it was a bad idea...
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	227
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	228 infsnz aa_width+0,F,ACCESS ; Succeded: do a 16bit increment
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	229 incf aa_width+1,F,ACCESS ; on the aa_width counter.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	230 bra aa_char_width_2 ; and loop.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	231
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	232 aa_char_width_3:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	233 negf WREG,A ; WREG = +height
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	234 addwf aa_bitlen,F,ACCESS ; Restore true reminder.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	235
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	236 ; Are we done ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	237 movf TBLPTRL,W,A ; Compare TBLPTR to aa_end
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	238 cpfseq aa_end+0,ACCESS
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	239 bra aa_char_width_1 ; Loop if LOW is different
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	240 movf TBLPTRH,W,A
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	241 cpfseq aa_end+1,ACCESS ; Loop to if HIGH is different
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	242 bra aa_char_width_1
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	243
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	244 return
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	245
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	246 ;------------------------------------------------------------------------------
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	247 ; String width
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	248 ; Inputs letter (SHOULD BE NULL TERMINATED)
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	249 ; Output aa_width, win_height
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	250 ; Trashed PROD, TBLPTR, FSR2, aa_bitlen, aa_start, aa_end, aa_flags
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	251 ;
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	252 aa_string_width:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	253 lfsr FSR2, letter ; FSR2 pointer to start of string.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	254
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	255 clrf aa_width+0,ACCESS ; Clear width sum.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	256 clrf aa_width+1,ACCESS ; (16 bit counter)
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	257
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	258 aa_string_width_1:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	259 movf POSTINC2,W,A ; WREG = *FSR2++
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	260 bz aa_string_width99 ; Exit if null byte encountered.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	261
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	262 rcall aa_char_setup ; setup aa_start / aa_end
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	263 rcall aa_char_width ; sum-up width into aa_width
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	264 bra aa_string_width_1 ; and loop.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	265
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	266 aa_string_width99:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	267 return
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	268
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	269 ;------------------------------------------------------------------------------
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	270 ; Decode a compressed char.
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	271 ; Inputs aa_start, aa_end, win_height, win_invert, win_color1, win_color2
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	272 ; Output none
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	273 ; Trashed TBLPTR, TABLAT, PROD, aa_bitlen, aa_flags, aa_colorDir:2
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	274 ;
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	275 aa_decode_char:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	276 movff aa_start+0, TBLPTRL ; TBLPTR = aa_start
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	277 movff aa_start+1, TBLPTRH
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	278
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	279 ; Read bitmap byte, and decode color & length
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	280 aa_decode_1:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	281 ifdef AA_BYTE_SWAP
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	282 btg TBLPTRL,0,A ; Toggle low ptr bit.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	283 tblrd*
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	284 movf TABLAT,W,A ; Store to WREG
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	285 btg TBLPTRL,0,A ; Get is back
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	286 tblrd*+ ; then increment (but trash TABLAT)
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	287 movwf TABLAT,A ; Then restore copy to TABLAT.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	288 else
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	289 tblrd*+ ; Normal read...
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	290 movf TABLAT,W,A ; Store copy to WREG
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	291 endif
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	292 btfss aa_antialias,ACCESS ; Antialiased font ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	293 bra aa_decode_10 ; No: always 7 bits count
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	294 bn aa_decode_10 ; Non-white pixels ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	295 andlw 0x1F ; Yes : 5 bits count.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	296 aa_decode_10:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	297 andlw 0x7F ; No: 7 bit count.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	298 incf WREG,A
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	299 movwf aa_bitlen,ACCESS ; repetition count --> aa_bitlen
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	300
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	301 ;---- COLOR DECODING -------------------------------------------------
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	302 ;
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	303 ; Code Normal Inverse
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	304 ; 1xx 0% 100% : Managed by aa_decode_13
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	305 ; 011 25% 75%
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	306 ; 010 50% 50%
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	307 ; 001 75% 25%
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	308 ; 000 100% 0% : Managed by aa_decode_13 too.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	309 ;
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	310 movf TABLAT,W,A ; Get back code
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	311 btfss aa_antialias,ACCESS ; Antialiased font ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	312 bra aa_decode_13 ; NO: 1bit case
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	313
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	314 ; Asymetry test: 1xx code is another case for 1bit color.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	315 ; This have to be done before inverse video, because
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	316 ; of the asymetric processing !
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	317 bn aa_decode_13 ; decode as not-aa
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	318
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	319 ; Manage 000 special case too:
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	320 andlw 0xE0 ; Select color bits
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	321 bz aa_decode_13 ; That's a 000 !
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	322
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	323 ; Apply reverse video, in a reversed way
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	324 btfss win_invert,0 ; Inverse video mode ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	325 sublw 0x80
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	326
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	327 ; Move the two bits to aa_color_half and aa_color_quarter:
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	328 swapf WREG ; --> 0000.0LL0 byte
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	329 iorlw b'001' ; We are in AA mode, don't forget it !
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	330 movwf aa_flags,ACCESS ; save that to aa_color_(half/quad)/AA flags.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	331
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	332 ;---- 2 bit x RGB(16bits) computation --------------------------------
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	333 clrf PRODL ; We will accumulate result here...
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	334 clrf PRODH
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	335
142 8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	336 ; Take color div 2 into aa_temp. Max red = 15/31
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	337 rrcf win_color1,W,BANKED ; xRRRRxGG
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	338 andlw b'01111011' ; 0RRRR0GG (don't change C)
142 8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	339 movwf aa_temp+0,ACCESS
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	340 rrcf win_color2,W,BANKED ; GGGxBBBB
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	341 andlw b'11101111' ; GGG0BBBB
142 8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	342 movwf aa_temp+1,ACCESS
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	343
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	344 btfss aa_color_half,ACCESS
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	345 bra aa_decode_12
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	346
142 8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	347 movff aa_temp+0,PRODH ; Add color/2 if bit set.
681 6e456a6398e0 Hardware4 support heinrichsweikamp parents: 260 diff changeset	348 movff aa_temp+1,PRODL ; DISPLAY is big endian, so swap here.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	349 aa_decode_12:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	350 btfss aa_color_quart,ACCESS
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	351 bra aa_decode_12b
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	352
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	353 ; Divide it once again by 2. Max red = 7/31.
142 8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	354 rrcf aa_temp+0,W,ACCESS ; xxRRRxxG
8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	355 andlw b'00111001' ; 00RRR00G (don't change C)
8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	356 movwf aa_temp+0,ACCESS
8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	357 rrcf aa_temp+1,W,ACCESS ; GGGxxBBB
8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	358 andlw b'11100111' ; GGG00BBB
8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	359 movwf aa_temp+1,ACCESS
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	360
142 8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	361 movf aa_temp+1,W,ACCESS ; Add color/4
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	362 addwf PRODL,F ; NOTE: 7/31+15/31=22/31,
142 8b75ba28d641 Screen-flipping custom function. JeanDo parents: 123 diff changeset	363 movf aa_temp+0,W,ACCESS ; hence composants won't overlap.
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	364 addwfc PRODH,F ; In right order, to propagate carry.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	365
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	366 aa_decode_12b:
705 55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	367 movff win_flags,WREG ; BEWARE: bank0 bit-test
55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	368 btfss WREG,1 ; Display1?
55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	369 bra aa_decode_3 ; No, Done.
55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	370
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	371 ; Convert 16Bit RGB b'RRRRRGGG GGGBBBBB' into 24Bit RGB b'RRRRRR00 GGGGGG00 BBBBBB00'
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	372 ; PRODH PRODL win_color4 win_color5 win_color6
705 55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	373 ; Blue
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	374 movff PRODL,win_color6
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	375 bcf STATUS,C
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	376 rlcf win_color6,F ; = UUBBBBB0
705 55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	377 bcf STATUS,C
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	378 rlcf win_color6,F ; = UBBBBB00
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	379 bcf STATUS,C
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	380 rlcf win_color6,F ; = BBBBB000
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	381 btfsc win_color6,7
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	382 bsf win_color6,2
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	383
705 55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	384 ; Green
55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	385 rrcf PRODH,F
55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	386 rrcf PRODL,F
55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	387 rrcf PRODH,F
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	388 rrcf PRODL,F
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	389 rrcf PRODH,F ; = UUURRRRR
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	390 rrcf PRODL,F ; = GGGGGGUU
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	391 bcf PRODL,1 ; = GGGGGG0U
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	392 bcf PRODL,0 ; = GGGGGG00
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	393 movff PRODL,win_color5
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	394
705 55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	395 ; Red
55983c4d6b2d aa fonts processor heinrichsweikamp parents: 681 diff changeset	396 bcf STATUS,C
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	397 rlcf PRODH,F ; = UURRRRR0
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	398 bcf STATUS,C
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	399 rlcf PRODH,F ; = URRRRR00
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	400 bcf STATUS,C
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	401 rlcf PRODH,F ; = RRRRR000
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	402 btfsc PRODH,7
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	403 bsf PRODH,2
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	404 movff PRODH,win_color4
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	405 bra aa_decode_3 ; Done.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	406
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	407 ; ---- Simple BLACK and WHITE cases ------------------------------
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	408 aa_decode_13: ; Got a 1xx or a 000 code...
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	409 btfsc win_invert,0 ; Inverse video mode ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	410 xorlw 0x80 ; YES: invert levels.
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	411 bn aa_decode_2 ; Then test high bit.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	412
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	413 ; WHITE pixel (ie. full color)
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	414 movff win_color1,PRODH ; current draw color
681 6e456a6398e0 Hardware4 support heinrichsweikamp parents: 260 diff changeset	415 movff win_color2,PRODL ; (rem: DISPLAY is big endian)
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	416 bra aa_decode_12b
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	417
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	418 aa_decode_2:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	419 clrf PRODH,A ; BLACK pixel
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	420 clrf PRODL,A
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	421 clrf win_color4
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	422 clrf win_color5
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	423 clrf win_color6
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	424
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	425 aa_decode_3:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	426 ;---- PIXEL WRITE LOOP -----------------------------------------------
706 d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	427 ; AA_DATA_WRITE_PROD
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	428 bsf DISPLAY_rs ; Data!
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	429
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	430 movff win_flags,WREG ; Display1? win_flags is in bank0...
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	431 btfsc WREG,1 ; Display1?
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	432 bra aa_decode_3_display1 ; Yes.
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	433
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	434 movff PRODH,PORTD ; Move high byte to PORTD (DISPLAY is bigendian)
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	435 bcf DISPLAY_rw
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	436 bsf DISPLAY_rw
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	437 movff PRODL,PORTD ; Move low byte to PORTD
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	438 bra aa_decode_3_done
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	439
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	440 aa_decode_3_display1:
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	441 movff win_color4,PORTD ; Move high byte to PORTD (DISPLAY is bigendian)
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	442 bcf DISPLAY_rw
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	443 bsf DISPLAY_rw
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	444 movff win_color5,PORTD ; Move low byte to PORTD
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	445 bcf DISPLAY_rw
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	446 bsf DISPLAY_rw
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	447 movff win_color6,PORTD ; Move low(est) byte to PORTD
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	448 aa_decode_3_done:
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	449 bcf DISPLAY_rw
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	450 bsf DISPLAY_rw
d68c6a6b1f38 aa fonts processor heinrichsweikamp parents: 705 diff changeset	451
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	452 decf aa_bitlen,F,ACCESS
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	453 bnz aa_decode_3
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	454
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	455 ;---- BYTE-CODE LOOP -------------------------------------------------
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	456 ; Are we done ?
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	457 movf TBLPTRL,W,A ; Compare TBLPTR to aa_end
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	458 cpfseq aa_end+0,ACCESS
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	459 bra aa_decode_1 ; Loop if LOW is different
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	460 movf TBLPTRH,W,A
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	461 cpfseq aa_end+1,ACCESS ; Loop to if HIGH is different
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	462 bra aa_decode_1
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	463
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	464 return
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	465
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	466 ;------------------------------------------------------------------------------
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	467 ; Setup pointers for a char:
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	468 ; Inputs : letter : string to print (SHOULD BE NULL TERMINATED)
681 6e456a6398e0 Hardware4 support heinrichsweikamp parents: 260 diff changeset	469 ; Output : DISPLAY commands on port D + clocks.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	470 ;
167 cb055a7d75f3 + Use overlay local vars. JeanDo parents: 142 diff changeset	471 global aa_wordprocessor ; Callable from C-code.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	472 aa_wordprocessor:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	473 ; Make sure context is well known
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	474 movlb HIGH win_top ; Switch to bank 0...
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	475
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	476 rcall aa_string_width ; Set win_height, compute win_width
681 6e456a6398e0 Hardware4 support heinrichsweikamp parents: 260 diff changeset	477 call DISP_box_write ; Use that for the box.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	478
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	479 ; Restart the loop for each char to print
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	480 lfsr FSR2, letter ; FSR2 pointer to start of string.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	481
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	482 ; DATA bloc commande:
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	483 AA_CMD_WRITE 0x22
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	484
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	485 aa_wordprocessor_1:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	486 movf POSTINC2,W,A ; WREG = *FSR2++
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	487 bz aa_wordprocessor_99 ; Exit if null byte encountered.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	488
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	489 rcall aa_char_setup ; setup aa_start / aa_end
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	490 rcall aa_decode_char ; write pixels to screen
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	491 bra aa_wordprocessor_1 ; and loop.
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	492
3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	493 aa_wordprocessor_99:
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	494 ; END of bloc commande
6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	495 AA_CMD_WRITE 0x00
83 3e351e25f5d1 adding anti-aliased fonts frame and merging some patches from Jeando heinrichsweikamp parents: diff changeset	496
123 6a94f96e9cea The big cleanup, again. JeanDo parents: 116 diff changeset	497 return

Mercurial > public > mk2

annotate code_part1/OSTC_code_asm_part1/aa_wordprocessor.asm @ 801:ba084dfa4b36