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Merge pull request #12 from greg-king5/lightpen

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Added Inkwell lightpen drivers for the C64 and the C128.
This commit is contained in:
Oliver Schmidt 2013-07-25 13:29:46 -07:00
commit 752141b026
19 changed files with 1658 additions and 290 deletions
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7
asminc/c128.inc
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@ -1,5 +1,5 @@
;
; C64 generic definitions. Stolen from Elite128
; C128 generic definitions. Stolen from Elite128
;
@ -32,7 +32,7 @@ FETVEC := $2AA ; Vector patch location for FETCH
STASH := $2AF ; Stash routine in RAM
STAVEC := $2B9 ; Vector patch location for STASH
PALFLAG := $A03 ; $FF=PAL, $00=NTSC
INIT_STATUS := $A04 ; Flag: Reset/NMI Status
INIT_STATUS := $A04 ; Flags: Reset/Restore initiation status
FKEY_LEN := $1000 ; Function key lengths
FKEY_TEXT := $100A ; Function key texts
@ -102,6 +102,9 @@ VIC_CTRL2 := $D016
VIC_HLINE := $D012
VIC_LPEN_X := $D013
VIC_LPEN_Y := $D014
VIC_VIDEO_ADR := $D018
VIC_IRR := $D019 ; Interrupt request register

4
asminc/c64.inc
View File

@ -95,6 +95,9 @@ VIC_CTRL2 := $D016
VIC_HLINE := $D012
VIC_LPEN_X := $D013
VIC_LPEN_Y := $D014
VIC_VIDEO_ADR := $D018
VIC_IRR := $D019 ; Interrupt request register
@ -207,4 +210,3 @@ TP_FAST = $80 ; Switch Rossmoeller TurboProcess to fast mode
RAMONLY = $F8 ; (~(LORAM | HIRAM | IOEN)) & $FF

3
include/c128.h
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@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 1998-2009, Ullrich von Bassewitz */
/* (C) 1998-2013, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@ -131,6 +131,7 @@ extern void c128_ptvjoy_joy[];
extern void c128_stdjoy_joy[]; /* Referred to by joy_static_stddrv[] */
extern void c128_1351_mous[]; /* Referred to by mouse_static_stddrv[] */
extern void c128_joy_mou[];
extern void c128_inkwell_mou[];
extern void c128_pot_mou[];
extern void c128_swlink_ser[];
extern void c128_vdc_tgi[]; /* Referred to by tgi_static_stddrv[] */

5
include/c64.h
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@ -2,11 +2,11 @@
/* */
/* c64.h */
/* */
/* C64 system specific definitions */
/* C64 system-specific definitions */
/* */
/* */
/* */
/* (C) 1998-2010 Ullrich von Bassewitz */
/* (C) 1998-2013 Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@ -145,6 +145,7 @@ extern void c64_ptvjoy_joy[];
extern void c64_stdjoy_joy[]; /* Referred to by joy_static_stddrv[] */
extern void c64_1351_mou[]; /* Referred to by mouse_static_stddrv[] */
extern void c64_joy_mou[];
extern void c64_inkwell_mou[];
extern void c64_pot_mou[];
extern void c64_swlink_ser[];
extern void c64_hi_tgi[]; /* Referred to by tgi_static_stddrv[] */

24
include/mouse.h
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@ -6,7 +6,7 @@
/* */
/* */
/* */
/* (C) 2003-2011, Ullrich von Bassewitz */
/* (C) 2003-2013, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
@ -101,6 +101,14 @@ struct mouse_callbacks {
*/
};
/*****************************************************************************/
/* Declarations */
/*****************************************************************************/
/* The default mouse callbacks */
extern const struct mouse_callbacks mouse_def_callbacks;
@ -127,10 +135,10 @@ unsigned char mouse_unload (void);
unsigned char __fastcall__ mouse_install (const struct mouse_callbacks* c,
void* driver);
/* Install an already loaded driver. Returns an error code. */
/* Install an already loaded driver. Return an error code. */
unsigned char mouse_uninstall (void);
/* Uninstall the currently loaded driver. Returns an error code. */
/* Uninstall the currently loaded driver. Return an error code. */
const char* __fastcall__ mouse_geterrormsg (unsigned char code);
/* Get an error message describing the error in code. */
@ -142,7 +150,7 @@ void mouse_hide (void);
*/
void mouse_show (void);
/* Show the mouse. See mouse_hide for more information. */
/* Show the mouse. See mouse_hide() for more information. */
void __fastcall__ mouse_setbox (const struct mouse_box* box);
/* Set the bounding box for the mouse pointer movement. The mouse X and Y
@ -176,14 +184,14 @@ unsigned char mouse_buttons (void);
*/
void __fastcall__ mouse_pos (struct mouse_pos* pos);
/* Return the current mouse position */
/* Return the current mouse position. */
void __fastcall__ mouse_info (struct mouse_info* info);
/* Return the state of the mouse buttons and the position of the mouse */
/* Return the state of the mouse buttons and the position of the mouse. */
unsigned char __fastcall__ mouse_ioctl (unsigned char code, void* data);
/* Call the driver specific ioctl function. NON PORTABLE! Returns an error
* code.
/* Call the driver-specific ioctl function. Return an error code.
* NON-PORTABLE!
*/

78
include/pen.h Normal file
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@ -0,0 +1,78 @@
/*****************************************************************************/
/* */
/* pen.h */
/* */
/* Lightpen API */
/* */
/* */
/* This software is provided "as-is", without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated, but is not required. */
/* 2. Altered source versions must be marked plainly as such; and, must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef _PEN_H
#define _PEN_H
/*****************************************************************************/
/* Declarations */
/*****************************************************************************/
/* A program optionally can set this pointer to a function that gives
** a calibration value to a driver. If this pointer isn't NULL,
** then a driver that wants a value can call that function.
** pen_adjuster must be set before the driver is installed.
*/
extern void __fastcall__ (*pen_adjuster) (unsigned char *pValue);
/*****************************************************************************/
/* Functions */
/*****************************************************************************/
void __fastcall__ pen_calibrate (unsigned char *XOffset);
/* Ask the user to help to calibrate a lightpen. Changes the screen!
* A pointer to this function can be put into pen_adjuster.
*/
void __fastcall__ pen_adjust (const char *filename);
/* Get a lightpen calibration value from a file if it exists. Otherwise, call
* pen_calibrate() to create a value; then, write it into a file, so that it
* will be available at the next time that the lightpen is used.
* Might change the screen.
* pen_adjust() is optional; if you want to use its feature,
* then it must be called before a driver is installed.
* Note: This function merely saves the file-name pointer, and sets
* the pen_adjuster pointer. The file will be read only when a driver
* is installed, and only if that driver wants to be calibrated.
*/
/* End of pen.h */
#endif

12
libsrc/c128/libref.s
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@ -1,12 +1,18 @@
;
; Oliver Schmidt, 2013-05-31
; 2013-05-31, Oliver Schmidt
; 2013-06-11, Greg King
;
.export em_libref, joy_libref, mouse_libref, ser_libref, tgi_libref
.export em_libref
.export joy_libref
; .export mouse_libref
.export ser_libref
.export tgi_libref
.import _exit
em_libref := _exit
joy_libref := _exit
mouse_libref := _exit
;mouse_libref := _exit
ser_libref := _exit
tgi_libref := _exit

457
libsrc/c128/mou/c128-inkwell.s Normal file
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@ -0,0 +1,457 @@
;
; Driver for the Inkwell Systems 170-C and 184-C lightpens.
;
; 2013-07-01, Greg King
;
.include "zeropage.inc"
.include "mouse-kernel.inc"
.include "c128.inc"
.macpack generic
; ------------------------------------------------------------------------
; Header. Includes jump table.
.segment "JUMPTABLE"
HEADER:
; Driver signature
.byte $6d, $6f, $75 ; ASCII "mou"
.byte MOUSE_API_VERSION ; Mouse driver API version number
; Library reference
LIBREF: .addr $0000
; Jump table
.addr INSTALL
.addr UNINSTALL
.addr HIDE
.addr SHOW
.addr SETBOX
.addr GETBOX
.addr MOVE
.addr BUTTONS
.addr POS
.addr INFO
.addr IOCTL
.addr IRQ
; Mouse driver flags
.byte MOUSE_FLAG_EARLY_IRQ
; Callback table, set by the kernel before INSTALL is called.
CHIDE: jmp $0000 ; Hide the cursor
CSHOW: jmp $0000 ; Show the cursor
CMOVEX: jmp $0000 ; Move the cursor to X co-ord.
CMOVEY: jmp $0000 ; Move the cursor to Y co-ord.
;----------------------------------------------------------------------------
; Constants
; This driver is for the 40-column screen.
XSIZE = 40
YSIZE = 25
SCREEN_WIDTH = XSIZE * 8
SCREEN_HEIGHT = YSIZE * 8
;----------------------------------------------------------------------------
; Global variables. The bounding box values are sorted so that they can be
; written with the least effort in the SETBOX and GETBOX routines; so, don't
; re-order them.
.rodata
; Default values for below variables
; (We use ".proc" because we want to define both a label and a scope.)
.proc DefVars
.word 0 ; XMin
.word 0 ; YMin
.word SCREEN_WIDTH - 1 ; XMax
.word SCREEN_HEIGHT - 1 ; YMax
.byte %00000000 ; Buttons
.endproc
.bss
Vars:
XMin: .res 2 ; X1 value of bounding box
YMin: .res 2 ; Y1 value of bounding box
XMax: .res 2 ; X2 value of bounding box
YMax: .res 2 ; Y2 value of bounding box
Buttons: .res 1 ; Button status bits
XPos: .res 2 ; Current lightpen position, X
YPos: .res 2 ; Current lightpen position, Y
OldPenX: .res 1 ; Previous HW-counter values
OldPenY: .res 1
INIT_save: .res 1
.data
; Default Inkwell calibration.
; The first number is the width of the left border;
; the second number is the actual calibration value.
XOffset: .byte (24 + 24) / 2 ; x-offset
; Jump to a function that puts a new calibration value into XOffset.
Calibrate: jmp $0000
.code
;----------------------------------------------------------------------------
; INSTALL routine. Is called after the driver is loaded into memory. If
; possible, check if the hardware is present.
; Must return a MOUSE_ERR_xx code in .XA.
INSTALL:
; Disable the BASIC interpreter's interrupt-driven sprite-motion code.
; That allows direct access to the VIC-IIe's sprite registers.
lda INIT_STATUS
sta INIT_save
lda #%11000000
sta INIT_STATUS
; Initiate variables. Just copy the default stuff over.
ldx #.sizeof (DefVars) - 1
@L0: lda DefVars,x
sta Vars,x
dex
bpl @L0
ldx VIC_LPEN_X
ldy VIC_LPEN_Y
stx OldPenX
sty OldPenY
; Call a calibration function through the library-reference.
lda LIBREF
ldx LIBREF+1
sta ptr1 ; Point to mouse_adjuster
stx ptr1+1
ldy #1
lda (ptr1),y
bze @L1 ; Don't call pointer if it's NULL
sta Calibrate+2 ; Point to function
dey
lda (ptr1),y
sta Calibrate+1
lda #<XOffset ; Function will set this variable
ldx #>XOffset
jsr Calibrate
; Be sure that the lightpen cursor is invisible and at the default location.
; It needs to be done here because the lightpen interrupt handler doesn't
; set the lightpen position if it hasn't changed.
@L1: sei
jsr CHIDE
lda #<(SCREEN_HEIGHT / 2)
ldx #>(SCREEN_HEIGHT / 2)
jsr MoveY
lda #<(SCREEN_WIDTH / 2)
ldx #>(SCREEN_WIDTH / 2)
jsr MoveX
cli
; Done, return zero.
lda #MOUSE_ERR_OK
tax
rts
;----------------------------------------------------------------------------
; UNINSTALL routine. Is called before the driver is removed from memory.
; No return code required (the driver is removed from memory on return).
UNINSTALL:
jsr HIDE ; Hide cursor on exit
lda INIT_save
sta INIT_STATUS
rts
;----------------------------------------------------------------------------
; HIDE routine. Is called to hide the lightpen pointer. The mouse kernel manages
; a counter for calls to show/hide, and the driver entry point is called only
; if the mouse is currently visible, and should get hidden. For most drivers,
; no special action is required besides hiding the lightpen cursor.
; No return code required.
HIDE: sei
jsr CHIDE
cli
rts
;----------------------------------------------------------------------------
; SHOW routine. Is called to show the lightpen pointer. The mouse kernel manages
; a counter for calls to show/hide, and the driver entry point is called only
; if the mouse is currently hidden, and should become visible. For most drivers,
; no special action is required besides enabling the lightpen cursor.
; No return code required.
SHOW: sei
jsr CSHOW
cli
rts
;----------------------------------------------------------------------------
; SETBOX: Set the lightpen bounding box. The parameters are passed as they come
; from the C program, that is, a pointer to a mouse_box struct in .XA.
; No checks are done if the lightpen is currently inside the box, that is the job
; of the caller. It is not necessary to validate the parameters; trust the
; caller; and, save some code here. No return code required.
SETBOX: sta ptr1
stx ptr1+1 ; Save data pointer
ldy #.sizeof (MOUSE_BOX) - 1
sei
@L1: lda (ptr1),y
sta XMin,y
dey
bpl @L1
cli
rts
;----------------------------------------------------------------------------
; GETBOX: Return the lightpen bounding box. The parameters are passed as they
; come from the C program, that is, a pointer to a mouse_box struct in .XA.
GETBOX: sta ptr1
stx ptr1+1 ; Save data pointer
ldy #.sizeof (MOUSE_BOX) - 1
@L1: lda XMin,y
sta (ptr1),y
dey
bpl @L1
rts
;----------------------------------------------------------------------------
; MOVE: Move the mouse to a new position. The position is passed as it comes
; from the C program, that is: X on the stack and Y in .XA. The C wrapper will
; remove the parameter from the stack on return.
; No checks are done if the new position is valid (within the bounding box or
; the screen). No return code required.
;
MOVE: sei ; No interrupts
jsr MoveY
ldy #$01
lda (sp),y
tax
dey
lda (sp),y
jsr MoveX ; Move the cursor
cli ; Allow interrupts
rts
;----------------------------------------------------------------------------
; BUTTONS: Return the button mask in .XA.
BUTTONS:
lda Buttons
ldx #>0
; Make the lightpen buttons look like a 1351 mouse.
asl a
asl SID_ADConv2 ; PotY
rol a
eor #MOUSE_BTN_RIGHT
and #MOUSE_BTN_LEFT | MOUSE_BTN_RIGHT
rts
;----------------------------------------------------------------------------
; POS: Return the lightpen position in the MOUSE_POS struct pointed to by ptr1.
; No return code required.
POS: ldy #MOUSE_POS::XCOORD ; Structure offset
sei ; Disable interrupts
lda XPos ; Transfer the position
sta (ptr1),y
lda XPos+1
iny
sta (ptr1),y
lda YPos
iny
sta (ptr1),y
lda YPos+1
cli ; Enable interrupts
iny
sta (ptr1),y ; Store last byte
rts
;----------------------------------------------------------------------------
; INFO: Returns lightpen position and current button mask in the MOUSE_INFO
; struct pointed to by ptr1. No return code required.
;
; We're cheating here, to keep the code smaller: The first fields of the
; mouse_info struct are identical to the mouse_pos struct; so, we'll just
; call _mouse_pos to initiate the struct pointer, and fill the position
; fields.
INFO: jsr POS
; Fill in the button state
jsr BUTTONS ; Will not touch ptr1
ldy #MOUSE_INFO::BUTTONS
sta (ptr1),y
rts
;----------------------------------------------------------------------------
; IOCTL: Driver-defined entry point. The wrapper will pass a pointer to ioctl-
; specific data in ptr1, and the ioctl code in .A.
; Must return an error code in .XA.
;
IOCTL: lda #<MOUSE_ERR_INV_IOCTL ; We don't support ioctls, for now
ldx #>MOUSE_ERR_INV_IOCTL
rts
;----------------------------------------------------------------------------
; IRQ: IRQ handler entry point. Called as a subroutine, but in the IRQ context
; (so, be careful). The routine MUST return carry set if the interrupt has been
; 'handled' -- which means that the interrupt source is gone. Otherwise, it
; MUST return carry clear.
;
IRQ:
; Record the state of the buttons.
; Try to avoid crosstalk between the keyboard and the lightpen.
ldy #%00000000 ; Set ports A and B to input
sty CIA1_DDRB
sty CIA1_DDRA ; Keyboard won't look like buttons
lda CIA1_PRB ; Read Control-Port 1
dec CIA1_DDRA ; Set port A back to output
eor #%11111111 ; Bit goes up when button goes down
sta Buttons
bze @L0
lda #%11101111 ; (Don't change bit that feeds VIC-II)
sta CIA1_DDRB ; Buttons won't look like keyboard
sty CIA1_PRB ; Set "all keys pushed"
; Read the VIC-II lightpen registers.
@L0: lda VIC_LPEN_Y
cmp OldPenY
; Skip processing if nothing has changed.
beq @SkipY
sta OldPenY
; Subtract the height of the top border, so that the lightpen co-ordinate
; will match the TGI co-ordinate.
sub #50
tay ; Remember low byte
ldx #>0
; Limit the Y co-ordinate to the bounding box.
txa
cpy YMin
sbc YMin+1
bpl @L3
ldy YMin
ldx YMin+1
jmp @L4
@L3: txa
cpy YMax
sbc YMax+1
bmi @L4
ldy YMax
ldx YMax+1
@L4: tya
jsr MoveY
@SkipY: lda VIC_LPEN_X
cmp OldPenX
; Skip processing if nothing has changed.
beq @SkipX
sta OldPenX
; Adjust the value by the calibration offset.
sub XOffset
; Calculate the new X co-ordinate.
; The VIC-II register is eight bits; but, the screen co-ordinate is nine bits.
; Therefore, the VIC-II number is doubled. Then, it points to every other pixel;
; but, it can reach across the screen.
asl a
tay ; Remember low byte
lda #>0
rol a
tax ; Remember high byte
; Limit the X co-ordinate to the bounding box.
cpy XMin
sbc XMin+1
bpl @L1
ldy XMin
ldx XMin+1
jmp @L2
@L1: txa
cpy XMax
sbc XMax+1
bmi @L2
ldy XMax
ldx XMax+1
@L2: tya
jsr MoveX
; Done
@SkipX: clc ; Interrupt not "handled"
rts
; Move the lightpen pointer to the new Y pos.
MoveY: sta YPos
stx YPos+1
jmp CMOVEY
; Move the lightpen pointer to the new X pos.
MoveX: sta XPos
stx XPos+1
jmp CMOVEX

23
libsrc/c128/mouseref.s Normal file
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@ -0,0 +1,23 @@
;
; Pointer for library references by device drivers.
;
; 2013-07-25, Greg King
;
.export mouse_libref, _pen_adjuster
.data
mouse_libref: ; generic label for mouse-kernel
; A program optionally can set this pointer to a function that gives
; a calibration value to a driver. If this pointer isn't NULL,
; then a driver that wants a value can call that function.
;
; The function might read a value from a file; or, it might ask the user
; to help calibrate the driver.
;
; void __fastcall__ (*pen_adjuster)(unsigned char *) = NULL;
;
_pen_adjuster:
.addr $0000

93
libsrc/c128/pencalib.c Normal file
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@ -0,0 +1,93 @@
/*
** Calibrate lightpen drivers to the current video hardware.
**
** 2013-07-25, Greg King
**
*/
#include <conio.h>
#include <mouse.h>
#include <pen.h>
#define COMMAND1 "Adjust by clicking on line."
#define COMMAND2 "Finish by clicking off bar."
/* There is a delay between when the VIC sends its signal, and when the display
** shows that signal. There is another delay between the display and when the
** lightpen says that it saw that signal. Each display and pen is different.
** Therefore, the driver must be calibrated to them. A white bar is painted on
** the screen; and, a line is drawn down the middle of it. When the user
** clicks on that line, the difference between its position and where the VIC
** thinks that the pen is pointing becomes an offset that is subtracted from
** what the VIC sees.
*/
void __fastcall__ pen_calibrate (unsigned char *XOffset)
{
unsigned char oldBg = bgcolor (COLOR_BLUE);
unsigned char oldText = textcolor (COLOR_GRAY3);
unsigned char oldRev = revers (1);
unsigned char sprite0Color = VIC.spr_color[0];
unsigned char width, width2, height, height4, height8;
struct mouse_info info;
screensize (&width, &height);
width2 = width / 2;
height4 = height / 4;
height8 = height4 * 8;
/* Draw a bar and line. */
clrscr ();
cclearxy (0, height4, height4 * width);
cvlinexy (width2, height4 + 1, height4 - 2);
/* Print instructions. */
revers (0);
cputsxy (width2 - (sizeof COMMAND1) / 2, height / 2 + 1, COMMAND1);
cputsxy (width2 - (sizeof COMMAND2) / 2, height / 2 + 3, COMMAND2);
VIC.spr_color[0] = COLOR_GRAY2;
mouse_show ();
mouse_move (width2 * 8, height8 / 2);
for (;;) {
/* Wait for the main button to be released. */
do ; while ((mouse_buttons () & MOUSE_BTN_LEFT));
/* Wait for the main button to be pressed. */
do {
mouse_info (&info);
} while (!(info.buttons & MOUSE_BTN_LEFT));
/* Find out if the pen is on or off the bar. */
if (info.pos.y < height8 || info.pos.y >= height8 * 2) {
break;
}
/* On the bar; adjust the offset. */
/* Characters are eight pixels wide.
** The VIC-II sees every other pixel;
** so, we use half of the difference.
*/
*XOffset += (info.pos.x - (width2 * 8 + 8/2)) / 2;
}
/* Off the bar; wait for the main button to be released. */
do ; while ((mouse_buttons () & MOUSE_BTN_LEFT));
mouse_hide ();
VIC.spr_color[0] = sprite0Color;
revers (oldRev);
textcolor (oldText);
bgcolor (oldBg);
clrscr ();
}

12
libsrc/c64/libref.s
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@ -1,12 +1,18 @@
;
; Oliver Schmidt, 2013-05-31
; 2013-05-31, Oliver Schmidt
; 2013-06-11, Greg King
;
.export em_libref, joy_libref, mouse_libref, ser_libref, tgi_libref
.export em_libref
.export joy_libref
; .export mouse_libref
.export ser_libref
.export tgi_libref
.import _exit
em_libref := _exit
joy_libref := _exit
mouse_libref := _exit
;mouse_libref := _exit
ser_libref := _exit
tgi_libref := _exit

438
libsrc/c64/mou/c64-inkwell.s Normal file
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@ -0,0 +1,438 @@
;
; Driver for the Inkwell Systems 170-C and 184-C lightpens.
;
; 2013-07-01, Greg King
;
.include "zeropage.inc"
.include "mouse-kernel.inc"
.include "c64.inc"
.macpack generic
; ------------------------------------------------------------------------
; Header. Includes jump table.
.segment "JUMPTABLE"
HEADER:
; Driver signature
.byte $6d, $6f, $75 ; ASCII "mou"
.byte MOUSE_API_VERSION ; Mouse driver API version number
; Library reference
LIBREF: .addr $0000
; Jump table
.addr INSTALL
.addr UNINSTALL
.addr HIDE
.addr SHOW
.addr SETBOX
.addr GETBOX
.addr MOVE
.addr BUTTONS
.addr POS
.addr INFO
.addr IOCTL
.addr IRQ
; Mouse driver flags
.byte MOUSE_FLAG_EARLY_IRQ
; Callback table, set by the kernel before INSTALL is called.
CHIDE: jmp $0000 ; Hide the cursor
CSHOW: jmp $0000 ; Show the cursor
CMOVEX: jmp $0000 ; Move the cursor to X co-ord.
CMOVEY: jmp $0000 ; Move the cursor to Y co-ord.
;----------------------------------------------------------------------------
; Constants
SCREEN_WIDTH = XSIZE * 8
SCREEN_HEIGHT = YSIZE * 8
;----------------------------------------------------------------------------
; Global variables. The bounding box values are sorted so that they can be
; written with the least effort in the SETBOX and GETBOX routines; so, don't
; re-order them.
.rodata
; Default values for below variables
; (We use ".proc" because we want to define both a label and a scope.)
.proc DefVars
.word 0 ; XMin
.word 0 ; YMin
.word SCREEN_WIDTH - 1 ; XMax
.word SCREEN_HEIGHT - 1 ; YMax
.byte %00000000 ; Buttons
.endproc
.bss
Vars:
XMin: .res 2 ; X1 value of bounding box
YMin: .res 2 ; Y1 value of bounding box
XMax: .res 2 ; X2 value of bounding box
YMax: .res 2 ; Y2 value of bounding box
Buttons: .res 1 ; Button status bits
XPos: .res 2 ; Current lightpen position, X
YPos: .res 2 ; Current lightpen position, Y
OldPenX: .res 1 ; Previous HW-counter values
OldPenY: .res 1
.data
; Default Inkwell calibration.
; The first number is the width of the left border;
; the second number is the actual calibration value.
XOffset: .byte (24 + 24) / 2 ; x-offset
; Jump to a function that puts a new calibration value into XOffset.
Calibrate: jmp $0000
.code
;----------------------------------------------------------------------------
; INSTALL routine. Is called after the driver is loaded into memory. If
; possible, check if the hardware is present.
; Must return a MOUSE_ERR_xx code in .XA.
INSTALL:
; Initiate variables. Just copy the default stuff over.
ldx #.sizeof (DefVars) - 1
@L0: lda DefVars,x
sta Vars,x
dex
bpl @L0
ldx VIC_LPEN_X
ldy VIC_LPEN_Y
stx OldPenX
sty OldPenY
; Call a calibration function through the library-reference.
lda LIBREF
ldx LIBREF+1
sta ptr1 ; Point to mouse_adjuster
stx ptr1+1
ldy #1
lda (ptr1),y
bze @L1 ; Don't call pointer if it's NULL
sta Calibrate+2 ; Point to function
dey
lda (ptr1),y
sta Calibrate+1
lda #<XOffset ; Function will set this variable
ldx #>XOffset
jsr Calibrate
; Be sure that the lightpen cursor is invisible and at the default location.
; It needs to be done here because the lightpen interrupt handler doesn't
; set the lightpen position if it hasn't changed.
@L1: sei
jsr CHIDE
lda #<(SCREEN_HEIGHT / 2)
ldx #>(SCREEN_HEIGHT / 2)
jsr MoveY
lda #<(SCREEN_WIDTH / 2)
ldx #>(SCREEN_WIDTH / 2)
jsr MoveX
cli
; Done, return zero.
lda #MOUSE_ERR_OK
tax
rts
;----------------------------------------------------------------------------
; UNINSTALL routine. Is called before the driver is removed from memory.
; No return code required (the driver is removed from memory on return).
UNINSTALL := HIDE ; Hide cursor on exit
;----------------------------------------------------------------------------
; HIDE routine. Is called to hide the lightpen pointer. The mouse kernel manages
; a counter for calls to show/hide, and the driver entry point is called only
; if the mouse is currently visible, and should get hidden. For most drivers,
; no special action is required besides hiding the lightpen cursor.
; No return code required.
HIDE: sei
jsr CHIDE
cli
rts
;----------------------------------------------------------------------------
; SHOW routine. Is called to show the lightpen pointer. The mouse kernel manages
; a counter for calls to show/hide, and the driver entry point is called only
; if the mouse is currently hidden, and should become visible. For most drivers,
; no special action is required besides enabling the lightpen cursor.
; No return code required.
SHOW: sei
jsr CSHOW
cli
rts
;----------------------------------------------------------------------------
; SETBOX: Set the lightpen bounding box. The parameters are passed as they come
; from the C program, that is, a pointer to a mouse_box struct in .XA.
; No checks are done if the lightpen is currently inside the box, that is the job
; of the caller. It is not necessary to validate the parameters; trust the
; caller; and, save some code here. No return code required.
SETBOX: sta ptr1
stx ptr1+1 ; Save data pointer
ldy #.sizeof (MOUSE_BOX) - 1
sei
@L1: lda (ptr1),y
sta XMin,y
dey
bpl @L1
cli
rts
;----------------------------------------------------------------------------
; GETBOX: Return the lightpen bounding box. The parameters are passed as they
; come from the C program, that is, a pointer to a mouse_box struct in .XA.
GETBOX: sta ptr1
stx ptr1+1 ; Save data pointer
ldy #.sizeof (MOUSE_BOX) - 1
@L1: lda XMin,y
sta (ptr1),y
dey
bpl @L1
rts
;----------------------------------------------------------------------------
; MOVE: Move the mouse to a new position. The position is passed as it comes
; from the C program, that is: X on the stack and Y in .XA. The C wrapper will
; remove the parameter from the stack on return.
; No checks are done if the new position is valid (within the bounding box or
; the screen). No return code required.
;
MOVE: sei ; No interrupts
jsr MoveY
ldy #$01
lda (sp),y
tax
dey
lda (sp),y
jsr MoveX ; Move the cursor
cli ; Allow interrupts
rts
;----------------------------------------------------------------------------
; BUTTONS: Return the button mask in .XA.
BUTTONS:
lda Buttons
ldx #>0
; Make the lightpen buttons look like a 1351 mouse.
asl a
asl SID_ADConv2 ; PotY
rol a
eor #MOUSE_BTN_RIGHT
and #MOUSE_BTN_LEFT | MOUSE_BTN_RIGHT
rts
;----------------------------------------------------------------------------
; POS: Return the lightpen position in the MOUSE_POS struct pointed to by ptr1.
; No return code required.
POS: ldy #MOUSE_POS::XCOORD ; Structure offset
sei ; Disable interrupts
lda XPos ; Transfer the position
sta (ptr1),y
lda XPos+1
iny
sta (ptr1),y
lda YPos
iny
sta (ptr1),y
lda YPos+1
cli ; Enable interrupts
iny
sta (ptr1),y ; Store last byte
rts
;----------------------------------------------------------------------------
; INFO: Returns lightpen position and current button mask in the MOUSE_INFO
; struct pointed to by ptr1. No return code required.
;
; We're cheating here, to keep the code smaller: The first fields of the
; mouse_info struct are identical to the mouse_pos struct; so, we'll just
; call _mouse_pos to initiate the struct pointer, and fill the position
; fields.
INFO: jsr POS
; Fill in the button state
jsr BUTTONS ; Will not touch ptr1
ldy #MOUSE_INFO::BUTTONS
sta (ptr1),y
rts
;----------------------------------------------------------------------------
; IOCTL: Driver-defined entry point. The wrapper will pass a pointer to ioctl-
; specific data in ptr1, and the ioctl code in .A.
; Must return an error code in .XA.
;
IOCTL: lda #<MOUSE_ERR_INV_IOCTL ; We don't support ioctls, for now
ldx #>MOUSE_ERR_INV_IOCTL
rts
;----------------------------------------------------------------------------
; IRQ: IRQ handler entry point. Called as a subroutine, but in the IRQ context
; (so, be careful). The routine MUST return carry set if the interrupt has been
; 'handled' -- which means that the interrupt source is gone. Otherwise, it
; MUST return carry clear.
;
IRQ:
; Record the state of the buttons.
; Try to avoid crosstalk between the keyboard and the lightpen.
ldy #%00000000 ; Set ports A and B to input
sty CIA1_DDRB
sty CIA1_DDRA ; Keyboard won't look like buttons
lda CIA1_PRB ; Read Control-Port 1
dec CIA1_DDRA ; Set port A back to output
eor #%11111111 ; Bit goes up when button goes down
sta Buttons
bze @L0
lda #%11101111 ; (Don't change bit that feeds VIC-II)
sta CIA1_DDRB ; Buttons won't look like keyboard
sty CIA1_PRB ; Set "all keys pushed"
; Read the VIC-II lightpen registers.
@L0: lda VIC_LPEN_Y
cmp OldPenY
; Skip processing if nothing has changed.
beq @SkipY
sta OldPenY
; Subtract the height of the top border, so that the lightpen co-ordinate
; will match the TGI co-ordinate.
sub #50
tay ; Remember low byte
ldx #>0
; Limit the Y co-ordinate to the bounding box.
txa
cpy YMin
sbc YMin+1
bpl @L3
ldy YMin
ldx YMin+1
jmp @L4
@L3: txa
cpy YMax
sbc YMax+1
bmi @L4
ldy YMax
ldx YMax+1
@L4: tya
jsr MoveY
@SkipY: lda VIC_LPEN_X
cmp OldPenX
; Skip processing if nothing has changed.
beq @SkipX
sta OldPenX
; Adjust the value by the calibration offset.
sub XOffset
; Calculate the new X co-ordinate.
; The VIC-II register is eight bits; but, the screen co-ordinate is nine bits.
; Therefore, the VIC-II number is doubled. Then, it points to every other pixel;
; but, it can reach across the screen.
asl a
tay ; Remember low byte
lda #>0
rol a
tax ; Remember high byte
; Limit the X co-ordinate to the bounding box.
cpy XMin
sbc XMin+1
bpl @L1
ldy XMin
ldx XMin+1
jmp @L2
@L1: txa
cpy XMax
sbc XMax+1
bmi @L2
ldy XMax
ldx XMax+1
@L2: tya
jsr MoveX
; Done
@SkipX: clc ; Interrupt not "handled"
rts
; Move the lightpen pointer to the new Y pos.
MoveY: sta YPos
stx YPos+1
jmp CMOVEY
; Move the lightpen pointer to the new X pos.
MoveX: sta XPos
stx XPos+1
jmp CMOVEX

23
libsrc/c64/mouseref.s Normal file
View File

@ -0,0 +1,23 @@
;
; Pointer for library references by device drivers.
;
; 2013-07-25, Greg King
;
.export mouse_libref, _pen_adjuster
.data
mouse_libref: ; generic label for mouse-kernel
; A program optionally can set this pointer to a function that gives
; a calibration value to a driver. If this pointer isn't NULL,
; then a driver that wants a value can call that function.
;
; The function might read a value from a file; or, it might ask the user
; to help calibrate the driver.
;
; void __fastcall__ (*pen_adjuster)(unsigned char *) = NULL;
;
_pen_adjuster:
.addr $0000

94
libsrc/c64/pencalib.c Normal file
View File

@ -0,0 +1,94 @@
/*
** Calibrate lightpen drivers to the current video hardware.
**
** 2013-07-25, Greg King
**
*/
#include <conio.h>
#include <mouse.h>
#include <pen.h>
#define COMMAND1 "Adjust by clicking on line."
#define COMMAND2 "Finish by clicking off bar."
/*
** There is a delay between when the VIC sends its signal, and when the display
** shows that signal. There is another delay between the display and when
** the lightpen says that it saw that signal. Each display and pen is different.
** Therefore, the driver must be calibrated to them. A white bar is painted on
** the screen; and, a line is drawn down the middle of it. When the user clicks
** on that line, the difference between its position and where the VIC thinks
** that the pen is pointing becomes an offset that is subtracted from what the
** VIC sees.
*/
void __fastcall__ pen_calibrate (unsigned char *XOffset)
{
unsigned char oldBg = bgcolor (COLOR_BLUE);
unsigned char oldText = textcolor (COLOR_GRAY3);
unsigned char oldRev = revers (1);
unsigned char sprite0Color = VIC.spr_color[0];
unsigned char width, width2, height, height4, height8;
struct mouse_info info;
screensize (&width, &height);
width2 = width / 2;
height4 = height / 4;
height8 = height4 * 8;
/* Draw a bar and line. */
clrscr ();
cclearxy (0, height4, height4 * width);
cvlinexy (width2, height4 + 1, height4 - 2);
revers (0);
/* Print instructions. */
cputsxy (width2 - (sizeof COMMAND1) / 2, height / 2 + 1, COMMAND1);
cputsxy (width2 - (sizeof COMMAND2) / 2, height / 2 + 3, COMMAND2);
VIC.spr_color[0] = COLOR_GRAY2;
mouse_show ();
mouse_move (width2 * 8, height8 / 2);
for (;;) {
/* Wait for the main button to be released. */
do ; while ((mouse_buttons () & MOUSE_BTN_LEFT));
/* Wait for the main button to be pressed. */
do {
mouse_info (&info);
} while (!(info.buttons & MOUSE_BTN_LEFT));
/* Find out if the pen is on or off the bar. */
if (info.pos.y < height8 || info.pos.y >= height8 * 2) {
break;
}
/* On the bar; adjust the offset. */
/* Characters are eight pixels wide.
** The VIC-II sees every other pixel;
** so, we use half of the difference.
*/
*XOffset += (info.pos.x - (width2 * 8 + 8/2)) / 2;
}
/* Off the bar; wait for the main button to be released. */
do ; while ((mouse_buttons () & MOUSE_BTN_LEFT));
mouse_hide ();
VIC.spr_color[0] = sprite0Color;
revers (oldRev);
textcolor (oldText);
bgcolor (oldBg);
clrscr ();
}

54
libsrc/cbm/penadjust.c Normal file
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@ -0,0 +1,54 @@
/*
** Main lightpen driver calibration functions.
**
** 2013-07-25, Greg King
*/
#include <stddef.h>
#include <fcntl.h>
#include <unistd.h>
#include <pen.h>
static const char *name;
/* Get a lightpen calibration value from a file if it exists. Otherwise, call
** pen_calibrate() to create a value; then, write it into a file, so that it
** will be available at the next time that the lightpen is used.
** Might change the screen.
*/
static void __fastcall__ adjuster (unsigned char *XOffset)
{
int fd = open (name, O_RDONLY);
if (fd < 0) {
pen_calibrate (XOffset);
fd = open (name, O_WRONLY | O_CREAT | O_EXCL);
if (fd >= 0) {
(void) write (fd, XOffset, 1);
close (fd);
}
} else {
(void) read (fd, XOffset, 1);
close (fd);
}
}
/* pen_adjust() is optional; if you want to use its feature,
** then it must be called before a driver is installed.
** Note: This function merely saves the file-name pointer, and sets
** the pen_adjuster pointer. The file will be read only when a driver
** is installed, and only if that driver wants to be calibrated.
*/
void __fastcall__ pen_adjust (const char *filename)
{
if (filename != NULL && filename[0] != '\0') {
name = filename;
pen_adjuster = adjuster;
} else {
pen_adjuster = pen_calibrate;
}
}

56
samples/Makefile
View File

@ -30,21 +30,14 @@ LD = ld65
else
# "samples/" is a part of a complete source tree.
CA65_INC = ../asminc
CC65_INC = ../include
LD65_CFG = ../src/ld65/cfg
LD65_LIB = ../libsrc
LD65_OBJ = ../libsrc
MOUS = ../libsrc/$(SYS)*.mou
TGI = ../libsrc/$(SYS)*.tgi
CLIB = ../libsrc/$(SYS).lib
CL = ../src/cl65/cl65
CC = ../src/cc65/cc65
AS = ../src/ca65/ca65
LD = ../src/ld65/ld65
MY_INC = --forget-inc-paths -I . -I $(CC65_INC)
MY_ASM = --forget-inc-paths -I . -I $(CA65_INC)
export CC65_HOME := $(abspath ..)
MOUS = ../mou/$(SYS)*.mou
TGI = ../tgi/$(SYS)*.tgi
CLIB = ../lib/$(SYS).lib
CL = ../bin/cl65
CC = ../bin/cc65
AS = ../bin/ca65
LD = ../bin/ld65
endif
# This one comes with VICE
@ -54,17 +47,20 @@ C1541 = c1541
# --------------------------------------------------------------------------
# Generic rules
%: %.c
%: %.s
.c.o:
@echo $<
@$(CC) $(MY_INC) -Oirs --codesize 500 -T -g -t $(SYS) $<
@$(AS) $(basename $<).s
@$(CC) $(CFLAGS) -Oirs --codesize 500 -T -g -t $(SYS) $<
@$(AS) $(<:.c=.s)
.s.o:
@echo $<
@$(AS) $(MY_ASM) -t $(SYS) $<
@$(AS) $(AFLAGS) -t $(SYS) $<
.o:
@$(LD) -o $@ -t $(SYS) -m $(basename $@).map $^ $(CLIB)
@$(LD) -o $@ -t $(SYS) -m $@.map $^ $(CLIB)
# --------------------------------------------------------------------------
@ -78,7 +74,7 @@ EXELIST = ascii \
gunzip65 \
hello \
mandelbrot \
mousedemo \
mousetest \
multdemo \
nachtm \
ovrldemo \
@ -105,31 +101,31 @@ hello: hello.o
# The Apple machines need the start address adjusted for the mandelbrot demo
ifeq "$(SYS)" "apple2"
mandelbrot: mandelbrot.o
@$(LD) -t $(SYS) -m $(basename $@).map --start-addr 0x4000 -o $@ $^ $(CLIB)
@$(LD) -o $@ -t $(SYS) -m $@.map --start-addr 0x4000 $^ $(CLIB)
else
ifeq "$(SYS)" "apple2enh"
mandelbrot: mandelbrot.o
@$(LD) -t $(SYS) -m $(basename $@).map --start-addr 0x4000 -o $@ $^ $(CLIB)
@$(LD) -o $@ -t $(SYS) -m $@.map --start-addr 0x4000 $^ $(CLIB)
else
mandelbrot: mandelbrot.o
endif
endif
# The Apple ][ needs the start address adjusted for the mousedemo
# The Apple ][ needs the start address adjusted for the mousetest
ifeq "$(SYS)" "apple2"
mousedemo: mousedemo.o
@$(LD) -t $(SYS) -m $(basename $@).map --start-addr 0x4000 -o $@ $^ $(CLIB)
mousetest: mousetest.o
@$(LD) -o $@ -t $(SYS) -m $@.map --start-addr 0x4000 $^ $(CLIB)
else
mousedemo: mousedemo.o
mousetest: mousetest.o
endif
multdemo: multidemo.o
@$(LD) -t $(SYS) -m $(basename $@).map -C $(SYS)-overlay.cfg -o $@ $^ $(CLIB)
@$(LD) -o $@ -m $@.map -C $(SYS)-overlay.cfg $^ $(CLIB)
nachtm: nachtm.o
ovrldemo: overlaydemo.o
@$(LD) -t $(SYS) -m $(basename $@).map -C $(SYS)-overlay.cfg -o $@ $^ $(CLIB)
@$(LD) -o $@ -m $@.map -C $(SYS)-overlay.cfg $^ $(CLIB)
plasma: plasma.o
@ -138,11 +134,11 @@ sieve: sieve.o
# The Apple machines need the start address adjusted for the tgidemo
ifeq "$(SYS)" "apple2"
tgidemo: tgidemo.o
@$(LD) -t $(SYS) -m $(basename $@).map --start-addr 0x4000 -o $@ $^ $(CLIB)
@$(LD) -o $@ -t $(SYS) -m $@.map --start-addr 0x4000 $^ $(CLIB)
else
ifeq "$(SYS)" "apple2enh"
tgidemo: tgidemo.o
@$(LD) -t $(SYS) -m $(basename $@).map --start-addr 0x4000 -o $@ $^ $(CLIB)
@$(LD) -o $@ -t $(SYS) -m $@.map --start-addr 0x4000 $^ $(CLIB)
else
tgidemo: tgidemo.o
endif

4
samples/README
View File

@ -69,8 +69,8 @@ Platforms: Runs on all platforms that have TGI support:
Apple ][, C64, C128, Oric Atmos, Geos and Lynx.
-----------------------------------------------------------------------------
Name: mousedemo
Description: Shows how to use the mouse.
Name: mousetest
Description: Tests and shows how to use the mouse.
Platforms: All systems with mouse and conio support:
C64, C128, CBM510, Atari, Apple ][

238
samples/mousedemo.c
View File

@ -1,238 +0,0 @@
/*
* Demo program for mouse usage. Will work for the C64/C128/CBM510/Atari/Apple2
*
* Ullrich von Bassewitz, 13.09.2001
*
*/
#include <stdlib.h>
#include <string.h>
#include <mouse.h>
#include <conio.h>
#include <ctype.h>
#include <dbg.h>
#if defined(__C64__) || defined(__C128__)
/* Address of data for sprite 0 */
#if defined(__C64__)
# define SPRITE0_DATA 0x0340
# define SPRITE0_PTR 0x07F8
#elif defined(__C128__)
# define SPRITE0_DATA 0x0E00
# define SPRITE0_PTR 0x07F8
#endif
/* The mouse sprite (an arrow) */
static const unsigned char MouseSprite[64] = {
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x0F, 0xE0, 0x00,
0x0F, 0xC0, 0x00,
0x0F, 0x80, 0x00,
0x0F, 0xC0, 0x00,
0x0D, 0xE0, 0x00,
0x08, 0xF0, 0x00,
0x00, 0x78, 0x00,
0x00, 0x3C, 0x00,
0x00, 0x1E, 0x00,
0x00, 0x0F, 0x00,
0x00, 0x07, 0x80,
0x00, 0x03, 0x80,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00
};
#endif /* __C64__ or __C128__ */
/* Dynamically loaded driver by default */
#ifndef DYN_DRV
# define DYN_DRV 1
#endif
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
static void CheckError (const char* S, unsigned char Error)
{
if (Error != MOUSE_ERR_OK) {
cprintf ("%s: %s(%d)\r\n", S, mouse_geterrormsg (Error), Error);
exit (EXIT_FAILURE);
}
}
static void DoWarning (void)
/* Warn the user that a mouse driver is needed for this program */
{
cprintf ("Warning: This program needs the mouse\r\n"
"driver with the name\r\n"
" %s\r\n"
"on disk! Press 'y' if you have it or\r\n"
"any other key to exit.\r\n", mouse_stddrv);
if (tolower (cgetc ()) != 'y') {
exit (EXIT_SUCCESS);
}
cprintf ("Ok. Please wait patiently...\r\n");
}
static void ShowState (unsigned char Jailed, unsigned char Invisible)
/* Display jail and cursor state */
{
gotoxy (0, 6);
cclear (40);
gotoxy (0, 6);
cprintf ("Mouse cursor %svisible%s", Invisible? "in" : "", Jailed? ", jailed" : "");
}
int main (void)
{
struct mouse_info info;
struct mouse_box full_box;
struct mouse_box small_box;
unsigned char Invisible;
unsigned char Done;
unsigned char Jailed;
/* Initialize the debugger */
DbgInit (0);
/* Clear the screen, set white on black */
(void) bordercolor (COLOR_BLACK);
(void) bgcolor (COLOR_BLACK);
(void) textcolor (COLOR_GRAY3);
cursor (0);
clrscr ();
#if defined(__C64__) || defined(__C128__) || defined(__CBM510__)
/* Copy the sprite data */
memcpy ((void*) SPRITE0_DATA, MouseSprite, sizeof (MouseSprite));
/* Set the VIC sprite pointer */
*(unsigned char*)SPRITE0_PTR = SPRITE0_DATA / 64;
/* Set the color of sprite 0 */
#ifdef __CBM510__
pokebsys ((unsigned) &VIC.spr0_color, COLOR_WHITE);
#else
VIC.spr0_color = COLOR_WHITE;
#endif
#endif
#if DYN_DRV
/* Output a warning about the driver that is needed */
DoWarning ();
/* Load and install the mouse driver */
CheckError ("mouse_load_driver",
mouse_load_driver (&mouse_def_callbacks, mouse_stddrv));
#else
/* Install the mouse driver */
CheckError ("mouse_install",
mouse_install (&mouse_def_callbacks, mouse_static_stddrv));
#endif
/* Get the initial mouse bounding box */
mouse_getbox (&full_box);
/* Print a help line */
clrscr ();
revers (1);
cputsxy (0, 0, "d)ebug h)ide q)uit s)how j)ail ");
revers (0);
/* Test loop */
Done = 0;
Jailed = 0;
Invisible = 1;
ShowState (Jailed, Invisible);
while (!Done) {
/* Get the current mouse coordinates and button states and print them */
mouse_info (&info);
gotoxy (0, 2);
cprintf ("X = %3d", info.pos.x);
gotoxy (0, 3);
cprintf ("Y = %3d", info.pos.y);
gotoxy (0, 4);
cprintf ("LB = %c", (info.buttons & MOUSE_BTN_LEFT)? '1' : '0');
gotoxy (0, 5);
cprintf ("RB = %c", (info.buttons & MOUSE_BTN_RIGHT)? '1' : '0');
/* Handle user input */
if (kbhit ()) {
switch (tolower (cgetc ())) {
case 'd':
BREAK();
break;
case 'h':
ShowState (Jailed, ++Invisible);
mouse_hide ();
break;
case 'j':
if (Jailed) {
Jailed = 0;
mouse_setbox (&full_box);
} else {
Jailed = 1;
small_box.minx = max (info.pos.x - 10, full_box.minx);
small_box.miny = max (info.pos.y - 10, full_box.miny);
small_box.maxx = min (info.pos.x + 10, full_box.maxx);
small_box.maxy = min (info.pos.y + 10, full_box.maxy);
mouse_setbox (&small_box);
}
ShowState (Jailed, Invisible);
break;
case 's':
if (Invisible) {
ShowState (Jailed, --Invisible);
mouse_show ();
}
break;
case 'q':
Done = 1;
break;
}
}
}
#if DYN_DRV
/* Uninstall and unload the mouse driver */
CheckError ("mouse_unload", mouse_unload ());
#else
/* Uninstall the mouse driver */
CheckError ("mouse_uninstall", mouse_uninstall ());
#endif
/* Say goodbye */
clrscr ();
cputs ("Goodbye!\r\n");
return EXIT_SUCCESS;
}

323
samples/mousetest.c Normal file
View File

@ -0,0 +1,323 @@
/*
** Test/demo program for mouse usage.
** Will work for the C64/C128/CBM510/Atari/Apple2.
**
** 2001-09-13, Ullrich von Bassewitz
** 2013-07-25, Greg King
**
*/
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <mouse.h>
#include <pen.h>
#include <conio.h>
#include <ctype.h>
#include <dbg.h>
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
#ifdef MOUSE_DRIVER
/* A statically linked driver was named on the compiler's command line.
** Make sure that it is used instead of a dynamic one.
*/
# undef DYN_DRV
# define DYN_DRV 0
#else
/* Use a dynamically loaded driver, by default. */
# ifndef DYN_DRV
# define DYN_DRV 1
# endif
#endif
#if defined(__C64__) || defined(__C128__) || defined(__CBM510__)
/* Addresses of data for sprite 0 */
#if defined(__C64__)
# define SPRITE0_DATA ((unsigned char[64])0x0340)
# define SPRITE0_PTR ((unsigned char *)0x07F8)
#elif defined(__C128__)
# define SPRITE0_DATA ((unsigned char[64])0x0E00)
# define SPRITE0_PTR ((unsigned char *)0x07F8)
#elif defined(__CBM510__)
# define SPRITE0_DATA ((unsigned char[64])0xF400)
# define SPRITE0_PTR ((unsigned char *)0xF3F8)
#endif
/* The mouse sprite (an arrow) */
static const unsigned char MouseSprite[64] = {
0xFE, 0x00, 0x00,
0xFC, 0x00, 0x00,
0xF8, 0x00, 0x00,
0xFC, 0x00, 0x00,
0xDE, 0x00, 0x00,
0x8F, 0x00, 0x00,
0x07, 0x80, 0x00,
0x03, 0xC0, 0x00,
0x01, 0xE0, 0x00,
0x00, 0xF0, 0x00,
0x00, 0x78, 0x00,
0x00, 0x38, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00,
0x00, 0x00, 0x00
};
#endif
static void __fastcall__ CheckError (const char* S, unsigned char Error)
{
if (Error != MOUSE_ERR_OK) {
cprintf ("%s: %s(%u)\r\n", S, mouse_geterrormsg (Error), Error);
exit (EXIT_FAILURE);
}
}
#if DYN_DRV
/* Points to the dynamic driver's name. */
static const char *mouse_name;
static void DoWarning (void)
/* Warn the user that a driver is needed for this program. */
{
cprintf ("Warning: This program needs\r\n"
"the driver with the name\r\n"
" %s\r\n"
"on a disk! Press 'y' if you have it;\r\n"
"or, any other key to exit.\r\n", mouse_stddrv);
if (tolower (cgetc ()) != 'y') {
exit (EXIT_SUCCESS);
}
cprintf ("OK. Please wait patiently...\r\n");
}
#endif
static void __fastcall__ ShowState (unsigned char Jailed, unsigned char Invisible)
/* Display jail and cursor states. */
{
cclearxy (0, 7, 32);
gotoxy (0, 7);
cprintf ("Pointer is %svisible%s.", Invisible? "in" : "", Jailed? " and jailed" : "");
}
#if DYN_DRV
int main (int argc, char *argv[])
#else
int main (void)
#endif
{
struct mouse_info info;
struct mouse_box full_box, small_box;
unsigned char width, height;
char C;
bool Invisible = true, Done = false, Jailed = false;
/* Initialize the debugger */
DbgInit (0);
/* Set dark-on-light colors. Clear the screen. */
#ifdef __CBM__
(void) bordercolor (COLOR_GRAY2);
(void) bgcolor (COLOR_WHITE);
(void) textcolor (COLOR_GRAY1);
#else
(void) bordercolor (COLOR_BLUE);
(void) bgcolor (COLOR_WHITE);
(void) textcolor (COLOR_BLACK);
#endif
cursor (0);
clrscr ();
/* The pointer is created before the driver is installed,
** in case a lightpen driver needs it during calibration.
*/
#if defined(__C64__) || defined(__C128__) || defined(__CBM510__)
/* Copy the sprite data */
memcpy ((void*) SPRITE0_DATA, MouseSprite, sizeof (MouseSprite));
/* Set the VIC-II sprite pointer. */
*SPRITE0_PTR = ((unsigned) SPRITE0_DATA & 0x3FFF) / sizeof SPRITE0_DATA;
/* Set the color of sprite 0 */
# ifdef __CBM510__
pokebsys ((unsigned) &VIC.spr0_color, COLOR_BLACK);
# else
VIC.spr0_color = COLOR_BLACK;
# endif
#endif
/* If a lightpen driver is installed, then it can get a calibration value
** from this file (if it exists). Or, the user can adjust the pen; and,
** the value will be put into this file, for the next time.
** (Other drivers will ignore this.)
*/
#ifdef __CBM__
pen_adjust ("pen.dat");
#endif
#if DYN_DRV
/* If a dynamically loadable driver is named on the command line,
** then use that driver instead of the standard one.
*/
if (argc > 1) {
mouse_name = argv[1];
} else {
/* Output a warning about the standard driver that is needed. */
DoWarning ();
mouse_name = mouse_stddrv;
}
/* Load and install the driver. */
CheckError ("mouse_load_driver",
mouse_load_driver (&mouse_def_callbacks, mouse_name));
#else
/* Install the driver. */
CheckError ("mouse_install",
mouse_install (&mouse_def_callbacks,
# ifdef MOUSE_DRIVER
MOUSE_DRIVER
# else
mouse_static_stddrv
# endif
));
#endif
/* Get the initial bounding box. */
mouse_getbox (&full_box);
screensize (&width, &height);
top:
clrscr ();
/* Print a help line */
cputs (" d)ebug h)ide q)uit s)how j)ail");
/* Put a cross at the center of the screen. */
gotoxy (width / 2 - 3, height / 2 - 1);
cprintf ("%3u,%3u\r\n%*s\xDB", width / 2 * 8 + 4, height / 2 * 8 + 4,
width / 2, "");
/* Test loop */
ShowState (Jailed, Invisible);
do {
/* Get the current co-ordinates and button states; and, print them. */
mouse_info (&info);
gotoxy (0, 2);
cprintf (" X = %3d\r\n", info.pos.x);
cprintf (" Y = %3d\r\n", info.pos.y);
cprintf (" B1 = %c\r\n", (info.buttons & MOUSE_BTN_LEFT) ?
#ifdef __CBM__
0x5F
#else
'v'
#endif
: '^');
cprintf (" B2 = %c", (info.buttons & MOUSE_BTN_RIGHT) ?
#ifdef __CBM__
0x5F
#else
'v'
#endif
: '^');
/* Handle user input */
if (kbhit ()) {
cclearxy (1, 9, 23);
switch (tolower (C = cgetc ())) {
case 'd':
BREAK();
/* The debugger might have changed the colors.
** Restore them.
*/
#ifdef __CBM__
(void) bordercolor (COLOR_GRAY2);
(void) bgcolor (COLOR_WHITE);
(void) textcolor (COLOR_GRAY1);
#else
(void) bordercolor (COLOR_BLUE);
(void) bgcolor (COLOR_WHITE);
(void) textcolor (COLOR_BLACK);
#endif
/* The debugger changed the screen; restore it. */
goto top;
case 'h':
mouse_hide ();
ShowState (Jailed, ++Invisible);
break;
case 'j':
if (Jailed) {
mouse_setbox (&full_box);
Jailed = false;
} else {
small_box.minx = max (info.pos.x - 10, full_box.minx);
small_box.miny = max (info.pos.y - 10, full_box.miny);
small_box.maxx = min (info.pos.x + 10, full_box.maxx);
small_box.maxy = min (info.pos.y + 10, full_box.maxy);
mouse_setbox (&small_box);
Jailed = true;
}
ShowState (Jailed, Invisible);
break;
case 's':
mouse_show ();
if (Invisible) {
ShowState (Jailed, --Invisible);
}
break;
case 'q':
Done = true;
break;
default:
gotoxy (1, 9);
cprintf ("Spurious character: $%02X", C);
}
}
} while (!Done);
#if DYN_DRV
/* Uninstall and unload the driver. */
CheckError ("mouse_unload", mouse_unload ());
#else
/* Uninstall the static driver. */
CheckError ("mouse_uninstall", mouse_uninstall ());
#endif
/* Say goodbye */
cputsxy (0, height / 2 + 3, "Goodbye!");
return EXIT_SUCCESS;
}