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annotate timer.s16 @ 31:b87b3ad5068c

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Forgot to add the controller source files
author Michael Pavone <pavone@retrodev.com>
date Sun, 03 Apr 2016 18:37:31 -0700
parents fb14515266f4
children cb078b3b23e8
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
25
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 ldim vectors, r0
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2 setvbr r0
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 ;current color value
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 ldim 0, r0
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5 ;color increment
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 ldim $11, r3
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 ldimh $1, r3
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8 ;Palette RAM address
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
9 ldim 0, r1
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
10 ldimh $FF, r1
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 ;enable interrupt
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
12 ori 1, sr
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
13 ;Timer Value
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
14 ldim $FF, r2
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
15 ldimh $FF, r2
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
16 outi $A, r2
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
17 wait
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
18 bra wait
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
19 ;shouldn't get here, disable timer so it's clear something broke
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
20 ldim 0, r2
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
21 outi $A, r2
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
22 bra wait
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
23
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
24 vectors:
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
25 dc.w timer_handler
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
26
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
27 timer_handler
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
28 outi $E, r1
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
29 outi $F, r0
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
30 add r3, r0, r0
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31 reti r4
fb14515266f4 Implemented timer and timer interrupts. Added get/setvbr instructions. Fixed assembler bug. Moved mnemonics into a separate source file
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
32