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ti84: first glyph on screen!

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On the emulator of course...
This commit is contained in:
Virgil Dupras 2020-05-08 09:07:44 -04:00
parent 58ec54fc97
commit b90efb0f7f
6 changed files with 17 additions and 9 deletions
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8
blk/522
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@ -4,13 +4,13 @@
2 *
OVER J 64 * I + + C@ 'X' = IF 1+ THEN
LOOP 32 * C, LOOP DROP ;
: _l ( spit a line of u glyphs )
: _l ( a u -- a, spit a line of u glyphs )
( u ) 0 DO ( a )
DUP I 3 * + _g
LOOP DROP ;
LOOP ;
: CPFNT3x5
0 , 0 , 0 C, ( space char )
530 LOAD BLK( 21 _l 192 + 21 _l 192 + 21 _l ( 63 )
531 LOAD BLK( 21 _l 192 + 10 _l ( 94! )
530 BLK@ BLK( 21 _l 192 + 21 _l 192 + 21 _l ( 63 )
531 BLK@ BLK( 21 _l 192 + 10 _l ( 94! )
;

6
blk/555
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@ -1,15 +1,15 @@
( Required config: TI_MEM )
: TI_MEM+ [ TI_MEM LITN ] @ + ;
TI_MEM : TI_MEM [ LITN ] ;
: LCD_PORT_CMD 0x10 ; : LCD_PORT_DATA 0x11 ;
: FNTW 3 ; : FNTH 5 ;
( Wait until the lcd is ready to receive a command. It's a bit
weird to implement a waiting routine in asm, but the forth
version is a bit heavy and we don't want to wait longer than
we have to. )
: LCDWAIT
CODE LCDWAIT
BEGIN,
LCD_PORT_CMD INAn,
0x10 INAn,
RLA, ( When 7th bit is clr, we can send a new cmd )
JRC, AGAIN,
;CODE
: LCD$ H@ TI_MEM ! FNTH 2 * 2+ ALLOT ;

5
blk/557
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@ -2,7 +2,12 @@
: _data! LCD_PORT_DATA PC! LCDWAIT ;
: _data@ LCD_PORT_DATA PC@ LCDWAIT ;
: LCDOFF 0x02 ( CMD_DISABLE ) _cmd ;
: LCDON 0x03 ( CMD_ENABLE ) _cmd ;
: _col! ( col -- )
0x20 ( CMD_COL ) + _cmd ;
: _row! ( row -- )
0x80 ( CMD_ROW ) + _cmd ;
: LCD$
H@ TI_MEM ! FNTH 2 * 2+ ALLOT
LCDON 0x01 ( 8-bit mode ) _cmd
;

2
blk/558
View File

@ -5,7 +5,7 @@
C@+ 2 PICK 8 -^ LSHIFT
_data@ 8 LSHIFT OR
LCD_BUF I + 2DUP FNTH + C!
SWAP 8 RSHIFT DUP 42 PC! SWAP C!
SWAP 8 RSHIFT SWAP C!
LOOP 2DROP
LCD_CURY C@ _row!
FNTH 0 DO LCD_BUF I + C@ _data! LOOP

1
emul/hw/ti/t6a04.c
View File

@ -10,6 +10,7 @@ void t6a04_init(T6A04 *lcd)
lcd->currow = 0;
lcd->curcol = 0;
lcd->just_moved = true;
lcd->has8bitmode = false;
}
uint8_t t6a04_cmd_rd(T6A04 *lcd)

4
recipes/ti84/xcomp.fs
View File

@ -3,6 +3,7 @@
RAMSTART 0x70 + CONSTANT TI_MEM
212 LOAD ( z80 assembler )
262 LOAD ( xcomp )
522 LOAD ( font compiler )
: CODE XCODE ;
: IMMEDIATE XIMM ;
: (entry) (xentry) ;
@ -13,11 +14,12 @@ CURRENT @ XCURRENT !
282 LOAD ( boot.z80 )
555 LOAD ( ti.z80 )
393 LOAD ( icore )
(entry) ~FNT CPFNT3x5
(entry) _
( Update LATEST )
PC ORG @ 8 + !
422 437 XPACKR ( core )
556 558 XPACKR ( ti )
," 42 42 PC! LCD$ 43 43 PC! BYE "
," 42 42 PC! LCD$ ' ~FNT 5 + _glyph> 43 43 PC! BYE "
ORG @ 256 /MOD 2 PC! 2 PC!
H@ 256 /MOD 2 PC! 2 PC!