[h316.git] / lib / iolib / src / pl$u.asm

* (PL$U) REV 1.0 LOW LEVEL INCREMENTAL PLOTTER DRIVER
*
*    
* PROGRAM TITLE:  PL$U  (PL$U, PL$D, PL$L, PL$R, PL$PU, PL$PD,
*                        PL$UR,PL$UL,PL$DR,PL$DL)
*                 
*                 LOW LEVEL PEN PLOTTER ROUTINES
*
* REVISIONS: 
*            1.0 (2007-05-27)
*            1.1 (2007-11-08) - ADDED PEN POSITION TRACKING
*                               TO PL$PU AND PL$PD
*
* AUTHOR:	
*
*    PHILIPP HACHTMANN
*
*
* PURPOSE:	
*
*    LOW LEVEL PEN PLOTTER DRIVER ROUTINES PROVIDING HARDWARE
*    ABSTRACTION BY PROVIDING SIMPLE ROUTINES FOR PEN MOVEMENT.
*    
*    
* STORAGE:	
*
*    100 (OCTAL)
*     64 (DECIMAL)
*
*
* USAGE:	
*
*              CALL     PL$U  - STEP UP
*	       CALL     PL$D  - STEP DOWN
*              CALL     PL$L  - STEP LEFT
*              CALL     PL$R  - STEP RIGHT
*              CALL     PL$PU - RAISE PEN
*              CALL     PL$PD - LOWER PEN
*
*              CALL     PL$UR - STEP UP+RIGHT
*              CALL     PL$UL - STEP UP+LEFT
*              CALL     PL$DR - STEP DOWN+RIGHT
*              CALL     PL$DL - STEP DOWN+LEFT
*	
*
*
********************************************************************************
*
*
PADR	EQU	'40	PORT ADDRESS OF THE PLOTTER INTERFACE
*
*
	SUBR	PL$U,UP
	SUBR	PL$D,DOWN
	SUBR	PL$R,RGHT
	SUBR	PL$L,LEFT
	SUBR	PL$PU,PENU
	SUBR	PL$PD,PEND
	SUBR	PL$UR,UR
	SUBR	PL$UL,UL
	SUBR	PL$DR,DR
	SUBR	PL$DL,DL
*
*
	REL		THIS IS A RELOCATABLE OBJECT
	ORG	'0
*
*
OUT	DAC	**	DO THE MOVEMENT
	OTA	PADR
	JMP	*-1
	JMP*	OUT
*
*	
UP	DAC	**
	LDA	CUP
	JST	OUT
	JMP*	UP
*
*
DOWN	DAC	**
	LDA	CDWN
	JST	OUT
	JMP*	DOWN
*
*
RGHT	DAC	**
	LDA	CRGT
	JST	OUT
	JMP*	RGHT
*
*
LEFT	DAC	**
	LDA	CLFT
	JST	OUT
	JMP*	LEFT
*
*
PENU	DAC	**
	LDA	PEN
	SNZ
	JMP*	PENU
	CRA
	STA	PEN
	LDA	CPNU
	JST	OUT
	JMP*	PENU
*
*	
PEND	DAC	**
	LDA	PEN
	SZE
	JMP*	PEND
	LDA	CPND
	JST	OUT
	IRS	PEN
	JMP*	PEND
*
*
UL	DAC	**
	LDA	CUP
	ADD	CLFT
	JST	OUT
	JMP*	UL
*
*
UR	DAC	**
	LDA	CUP
	ADD	CRGT
	JST	OUT
	JMP*	UR
*
*
DL	DAC	**
	LDA	CDWN
	ADD	CLFT
	JST	OUT
	JMP*	DL
*
*
DR	DAC	**
	LDA	CDWN
	ADD	CRGT
	JST	OUT
	JMP*	DR
*
*
*			CONSTANTS
CUP	OCT	'1
CDWN	OCT	'2
CLFT	OCT	'4
CRGT	OCT	'10
CPNU	OCT	'20
CPND	OCT	'40
*
PEN	DEC	0	PEN STATE: 1=DOWN
*
	END
Commit	Line	Data
fcb7b340	1	* (PL$U) REV 1.0 LOW LEVEL INCREMENTAL PLOTTER DRIVER
	2	*
	3	*
	4	* PROGRAM TITLE: PL$U (PL$U, PL$D, PL$L, PL$R, PL$PU, PL$PD,
	5	* PL$UR,PL$UL,PL$DR,PL$DL)
	6	*
	7	* LOW LEVEL PEN PLOTTER ROUTINES
	8	*
	9	* REVISIONS:
	10	* 1.0 (2007-05-27)
bf9d30c5	11	* 1.1 (2007-11-08) - ADDED PEN POSITION TRACKING
bf9d30c5	12	* TO PL$PU AND PL$PD
fcb7b340	13	*
	14	* AUTHOR:
	15	*
	16	* PHILIPP HACHTMANN
	17	*
	18	*
	19	* PURPOSE:
	20	*
	21	* LOW LEVEL PEN PLOTTER DRIVER ROUTINES PROVIDING HARDWARE
	22	* ABSTRACTION BY PROVIDING SIMPLE ROUTINES FOR PEN MOVEMENT.
	23	*
	24	*
	25	* STORAGE:
	26	*
bf9d30c5	27	* 100 (OCTAL)
bf9d30c5	28	* 64 (DECIMAL)
fcb7b340	29	*
	30	*
	31	* USAGE:
	32	*
	33	* CALL PL$U - STEP UP
	34	* CALL PL$D - STEP DOWN
	35	* CALL PL$L - STEP LEFT
	36	* CALL PL$R - STEP RIGHT
	37	* CALL PL$PU - RAISE PEN
	38	* CALL PL$PD - LOWER PEN
	39	*
	40	* CALL PL$UR - STEP UP+RIGHT
	41	* CALL PL$UL - STEP UP+LEFT
	42	* CALL PL$DR - STEP DOWN+RIGHT
	43	* CALL PL$DL - STEP DOWN+LEFT
	44	*
	45	*
	46	*
	47	********************************************************************************
	48	*
	49	*
	50	PADR EQU '40 PORT ADDRESS OF THE PLOTTER INTERFACE
	51	*
	52	*
fcb7b340	53	SUBR PL$U,UP
	54	SUBR PL$D,DOWN
	55	SUBR PL$R,RGHT
	56	SUBR PL$L,LEFT
	57	SUBR PL$PU,PENU
	58	SUBR PL$PD,PEND
	59	SUBR PL$UR,UR
	60	SUBR PL$UL,UL
	61	SUBR PL$DR,DR
	62	SUBR PL$DL,DL
	63	*
	64	*
	65	REL THIS IS A RELOCATABLE OBJECT
	66	ORG '0
	67	*
	68	*
	69	OUT DAC ** DO THE MOVEMENT
	70	OTA PADR
	71	JMP *-1
	72	JMP* OUT
	73	*
	74	*
	75	UP DAC **
	76	LDA CUP
	77	JST OUT
	78	JMP* UP
	79	*
	80	*
	81	DOWN DAC **
	82	LDA CDWN
	83	JST OUT
	84	JMP* DOWN
	85	*
	86	*
	87	RGHT DAC **
	88	LDA CRGT
	89	JST OUT
	90	JMP* RGHT
	91	*
	92	*
	93	LEFT DAC **
	94	LDA CLFT
	95	JST OUT
	96	JMP* LEFT
	97	*
	98	*
	99	PENU DAC **
bf9d30c5	100	LDA PEN
	101	SNZ
	102	JMP* PENU
	103	CRA
	104	STA PEN
fcb7b340	105	LDA CPNU
	106	JST OUT
	107	JMP* PENU
	108	*
	109	*
	110	PEND DAC **
bf9d30c5	111	LDA PEN
	112	SZE
	113	JMP* PEND
fcb7b340	114	LDA CPND
fcb7b340	115	JST OUT
bf9d30c5	116	IRS PEN
fcb7b340	117	JMP* PEND
	118	*
	119	*
	120	UL DAC **
	121	LDA CUP
	122	ADD CLFT
	123	JST OUT
	124	JMP* UL
	125	*
	126	*
	127	UR DAC **
	128	LDA CUP
	129	ADD CRGT
	130	JST OUT
	131	JMP* UR
	132	*
	133	*
	134	DL DAC **
	135	LDA CDWN
	136	ADD CLFT
	137	JST OUT
	138	JMP* DL
	139	*
	140	*
	141	DR DAC **
	142	LDA CDWN
	143	ADD CRGT
	144	JST OUT
	145	JMP* DR
	146	*
	147	*
	148	* CONSTANTS
	149	CUP OCT '1
	150	CDWN OCT '2
	151	CLFT OCT '4
	152	CRGT OCT '10
	153	CPNU OCT '20
	154	CPND OCT '40
	155	*
bf9d30c5	156	PEN DEC 0 PEN STATE: 1=DOWN
fcb7b340	157	*
fcb7b340	158	END