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Author SHA1 Message Date
Peter Ferrie
6882bf713a optimize interrupt handler 2019-06-01 00:03:25 -04:00
Peter Ferrie
c863fd9462 optimize putsprite code 2019-06-01 00:00:50 -04:00
Peter Ferrie
efbb34fce7 optimize fire code 2019-06-01 00:00:23 -04:00
Vince Weaver
2e4a237fff Revert "cut some bytes and cycles" 
This reverts commit dd18ecd1d9.
 2019-05-30 10:54:03 -04:00
Vince Weaver
79b9b17bac Revert "cut some more" 
This reverts commit ab3311fd26.
 2019-05-30 10:53:48 -04:00
Vince Weaver
2694e6efca Revert "still more" 
This reverts commit 9491bce9f4.
 2019-05-30 10:53:33 -04:00
Vince Weaver
df10cec9f7 Revert "pt3: bump version number after qkumba optimization" 
This reverts commit 25020da78b.
 2019-05-30 10:52:26 -04:00
Vince Weaver
25020da78b pt3: bump version number after qkumba optimization 2019-05-30 01:22:15 -04:00
Vince Weaver
1348790961
Merge pull request #5 from peterferrie/master 
cut some bytes and cycles
 2019-05-30 00:47:00 -04:00
Peter Ferrie
9491bce9f4 still more 2019-05-29 13:34:10 -07:00
Peter Ferrie
ab3311fd26 cut some more 2019-05-25 22:12:22 -07:00
Peter Ferrie
dd18ecd1d9 cut some bytes and cycles 
- fire_r_same/up are now 10/12 instead of 8/15 cycles

some jmps can probably be replaced with appropriate branches instead
 2019-05-25 16:18:35 -07:00
Vince Weaver
ac1e471d6b pt3: some more size optimization 
mostly combining common code
 2019-05-24 01:08:36 -04:00
Vince Weaver
df0e19cff9 pt3: remove unneeded variable 2019-05-23 20:53:41 -04:00
Vince Weaver
aa30878fd0 pt3: update tone generation 2019-05-23 17:04:13 -04:00
Vince Weaver
de31b9b97b pt3: work on tone table 2019-05-23 00:28:55 -04:00
Vince Weaver
a4e247fd58 pt3: some more size optimization 2019-05-22 17:08:52 -04:00
Vince Weaver
4b54357b3a pt3: add some cycle counting and docs 2019-05-22 15:52:05 -04:00
Vince Weaver
25950bddee pt3: use the auto-generation of volume tables code 
saved 100 bytes, didn't really improve speed at all (at least if you
take into account table gen at the beginning)
 2019-05-22 15:37:00 -04:00
Vince Weaver
843b3bd835 pt3: working on auto-generating the tables 2019-05-22 00:31:31 -04:00
Vince Weaver
2750ba9b13 pt3: might as well add a Makefile 2019-05-21 20:31:29 -04:00
Vince Weaver
2cc79ed73c pt3: messing around with code to autogen some of the tables 2019-05-21 17:10:16 -04:00
Vince Weaver
acc8c3f0fb pt3: add more cycle counting 2019-05-20 12:40:35 -04:00
Vince Weaver
5b2ad332e4 pt3: more comments and cycle counting 2019-05-20 10:11:29 -04:00
Vince Weaver
f775b116da pt3: remove an unused field 2019-05-20 09:50:49 -04:00
Vince Weaver
f537b99222 pt3: a few more validated 2019-05-20 00:53:01 -04:00
Vince Weaver
53400a72ab pt3: get dumper working again 2019-05-20 00:09:38 -04:00
Vince Weaver
315d9ab621 pt3: code didn't compile 2019-05-19 23:44:57 -04:00
Vince Weaver
673d2d7703 pt3: minor changes 2019-05-19 23:42:13 -04:00
Vince Weaver
c2482b41b6 pt3: optimization notes 2019-05-19 22:11:56 -04:00
Vince Weaver
db3d9fa93d pt3: measure overhead. Consistently about 17% across a wide range of pt3 files 2019-05-19 17:23:36 -04:00
Vince Weaver
ba4cedbbac pt3: update FAQ 2019-05-18 11:12:16 -04:00
Vince Weaver
f791eac71f pt3: rename FAQ 2019-05-17 14:56:19 -04:00
Vince Weaver
92ab251101 pt3: minor cleanups in comments 2019-05-17 14:55:53 -04:00
Vince Weaver
5074f45878 pt3: release version 0.4 2019-05-17 14:55:35 -04:00
Vince Weaver
b1ada9fd75 pt3: clean up fire height code a bit 2019-05-17 14:19:18 -04:00
Vince Weaver
ef2b5061c8 pt3: comments in fire.s 2019-05-17 14:02:13 -04:00
Vince Weaver
efcf749f4b pt3: rename REGISTER_DUMP to AY_REGISTERS 
makes the code a bit clearer
 2019-05-17 13:25:02 -04:00
Vince Weaver
62b3123aaf pt3: oops was going backwards in song list 2019-05-17 13:21:45 -04:00
Vince Weaver
eded3c0908 pt3: add looping support 2019-05-17 13:19:04 -04:00
Vince Weaver
a15706fb81 pt3: made total time count 3x faster in theory 
still too slow
 2019-05-17 12:57:39 -04:00
Vince Weaver
770fe2bf25 pt3: clean up comments in the interrupt handler 2019-05-17 12:29:28 -04:00
Vince Weaver
55137b5a73 pt3: optimize interrupt_handler 
qkumba had some suggestions on comp.sys.apple2
 2019-05-17 12:25:37 -04:00
Vince Weaver
3d35f781fe pt3: bump it up to 18 songs 2019-05-17 12:13:38 -04:00
Vince Weaver
d991e32327 pt3: add some inefficient code to show current song number 2019-05-17 11:41:08 -04:00
Vince Weaver
1ce802e3a8 pt3: optimize the one-color lores putsprite routine 2019-05-17 11:04:52 -04:00
Vince Weaver
81d28fe305 pt3: do a version release 2019-05-16 23:10:06 -04:00
Vince Weaver
ab3605857a pt3: some comment changes 2019-05-16 23:09:25 -04:00
Vince Weaver
36badc8177 pt3: capitalize text if on an AppleII/II+ 2019-05-16 22:38:13 -04:00
Vince Weaver
0a84e76e4e pt3: add support for scaling the frequencies from 1.77MHz to 1MHz 
The ZX Spectrum (default for pt3 files) runs the AY-3-8910 at 1.77MHz.

We do this by multiplying by 9/16 (which is a pain, but could be worse)
 2019-05-16 22:16:50 -04:00