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C02/include/vic/screen.a02

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Separated cursor movement code into 'screen' module
2018-09-17 00:30:25 +00:00
;Screen Control Assembly Lanuage Routines for VIC-20
Squashed commit of the following: commit ed00e1d1b5a9783a72dade3f3676b161a9cfe287 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 22:20:49 2018 -0400 Documented joystk, paddle, and lgtpen modules commit ec0a5ede8d1b043fcf0094ea653255a808dbf8d3 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:31:11 2018 -0400 Added joystick, paddle, and lightpen test programs commit 7b787f432e2f4f7ae5d7f0053ade1d3586a4fad1 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:30:03 2018 -0400 Updated Apple II and VIC-20 Batch Files commit 50568294349d7e3c6b7d0d364aeaece73c9e4ab6 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:28:09 2018 -0400 Separated light pen code into separate files commit d45e59f73d55eef1d30c591d19a043ad79cfd81a Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 19:28:56 2018 -0400 Moved code for paddles into separate include files commit fc5c5472d758c960332ea14105d5ec4a7c8cbbfb Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 16:15:32 2018 -0400 Added system specific module 'joystk'
2018-09-12 13:54:54 +00:00
Separated cursor movement code into 'screen' module
2018-09-17 00:30:25 +00:00
;Clear the Screen
CLRSCR EQU $E55F ;Aliased to CLSR Routine
Squashed commit of the following: commit ed00e1d1b5a9783a72dade3f3676b161a9cfe287 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 22:20:49 2018 -0400 Documented joystk, paddle, and lgtpen modules commit ec0a5ede8d1b043fcf0094ea653255a808dbf8d3 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:31:11 2018 -0400 Added joystick, paddle, and lightpen test programs commit 7b787f432e2f4f7ae5d7f0053ade1d3586a4fad1 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:30:03 2018 -0400 Updated Apple II and VIC-20 Batch Files commit 50568294349d7e3c6b7d0d364aeaece73c9e4ab6 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:28:09 2018 -0400 Separated light pen code into separate files commit d45e59f73d55eef1d30c591d19a043ad79cfd81a Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 19:28:56 2018 -0400 Moved code for paddles into separate include files commit fc5c5472d758c960332ea14105d5ec4a7c8cbbfb Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 16:15:32 2018 -0400 Added system specific module 'joystk'
2018-09-12 13:54:54 +00:00
;Move Cursor To Home Position
Separated cursor movement code into 'screen' module
2018-09-17 00:30:25 +00:00
CRSRHM EQU $E581 ;Aliased to HOME Routine
Squashed commit of the following: commit ed00e1d1b5a9783a72dade3f3676b161a9cfe287 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 22:20:49 2018 -0400 Documented joystk, paddle, and lgtpen modules commit ec0a5ede8d1b043fcf0094ea653255a808dbf8d3 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:31:11 2018 -0400 Added joystick, paddle, and lightpen test programs commit 7b787f432e2f4f7ae5d7f0053ade1d3586a4fad1 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:30:03 2018 -0400 Updated Apple II and VIC-20 Batch Files commit 50568294349d7e3c6b7d0d364aeaece73c9e4ab6 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:28:09 2018 -0400 Separated light pen code into separate files commit d45e59f73d55eef1d30c591d19a043ad79cfd81a Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 19:28:56 2018 -0400 Moved code for paddles into separate include files commit fc5c5472d758c960332ea14105d5ec4a7c8cbbfb Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 16:15:32 2018 -0400 Added system specific module 'joystk'
2018-09-12 13:54:54 +00:00
;Move Cursor to Specified Coordinates
Separated cursor movement code into 'screen' module
2018-09-17 00:30:25 +00:00
SETPOS: STA $D3 ;Save Cursor Column
STY $D6 ;Save Cursor Row
JMP $E587 ;Set Screen Poiners and Return
Squashed commit of the following: commit ed00e1d1b5a9783a72dade3f3676b161a9cfe287 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 22:20:49 2018 -0400 Documented joystk, paddle, and lgtpen modules commit ec0a5ede8d1b043fcf0094ea653255a808dbf8d3 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:31:11 2018 -0400 Added joystick, paddle, and lightpen test programs commit 7b787f432e2f4f7ae5d7f0053ade1d3586a4fad1 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:30:03 2018 -0400 Updated Apple II and VIC-20 Batch Files commit 50568294349d7e3c6b7d0d364aeaece73c9e4ab6 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:28:09 2018 -0400 Separated light pen code into separate files commit d45e59f73d55eef1d30c591d19a043ad79cfd81a Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 19:28:56 2018 -0400 Moved code for paddles into separate include files commit fc5c5472d758c960332ea14105d5ec4a7c8cbbfb Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 16:15:32 2018 -0400 Added system specific module 'joystk'
2018-09-12 13:54:54 +00:00
;Get Cursor Position
Separated cursor movement code into 'screen' module
2018-09-17 00:30:25 +00:00
GETPOS: LDY $D6 ;Load Cursor Row
LDA $D3 ;Load Cursor Column
Squashed commit of the following: commit ed00e1d1b5a9783a72dade3f3676b161a9cfe287 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 22:20:49 2018 -0400 Documented joystk, paddle, and lgtpen modules commit ec0a5ede8d1b043fcf0094ea653255a808dbf8d3 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:31:11 2018 -0400 Added joystick, paddle, and lightpen test programs commit 7b787f432e2f4f7ae5d7f0053ade1d3586a4fad1 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:30:03 2018 -0400 Updated Apple II and VIC-20 Batch Files commit 50568294349d7e3c6b7d0d364aeaece73c9e4ab6 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:28:09 2018 -0400 Separated light pen code into separate files commit d45e59f73d55eef1d30c591d19a043ad79cfd81a Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 19:28:56 2018 -0400 Moved code for paddles into separate include files commit fc5c5472d758c960332ea14105d5ec4a7c8cbbfb Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 16:15:32 2018 -0400 Added system specific module 'joystk'
2018-09-12 13:54:54 +00:00
RTS
;Get Screen Size
Separated cursor movement code into 'screen' module
2018-09-17 00:30:25 +00:00
GETSIZ: JSR $FFED ;Call SCREEN Kernal Routine
Squashed commit of the following: commit ed00e1d1b5a9783a72dade3f3676b161a9cfe287 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 22:20:49 2018 -0400 Documented joystk, paddle, and lgtpen modules commit ec0a5ede8d1b043fcf0094ea653255a808dbf8d3 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:31:11 2018 -0400 Added joystick, paddle, and lightpen test programs commit 7b787f432e2f4f7ae5d7f0053ade1d3586a4fad1 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:30:03 2018 -0400 Updated Apple II and VIC-20 Batch Files commit 50568294349d7e3c6b7d0d364aeaece73c9e4ab6 Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 20:28:09 2018 -0400 Separated light pen code into separate files commit d45e59f73d55eef1d30c591d19a043ad79cfd81a Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 19:28:56 2018 -0400 Moved code for paddles into separate include files commit fc5c5472d758c960332ea14105d5ec4a7c8cbbfb Author: Curtis F Kaylor <revcurtis@gmail.com> Date: Sun Sep 9 16:15:32 2018 -0400 Added system specific module 'joystk'
2018-09-12 13:54:54 +00:00
TXA ;Transfer Width to Accumulator
RTS
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