Apple-2-SW/apple2_printshop_viewer
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Fix pic links

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michaelangel007 2019-03-31 13:51:43 -07:00
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@ -1,30 +1,31 @@
# PrintShop / MiniPix Viewer # PrintShop / MiniPix Viewer
![pics/scorpio.png] * ![Wizard](pics/wizard.png?raw=true)
![pics/wizard.png] * ![Scorpio](pics/scorpio.png?raw=true)
Utility to decode a PrintShop / MiniPix 88x52 monochrome imag written Utility to decode a PrintShop / MiniPix 88x52 monochrome imag written
in 6502 assembly language for the Apple \]\[. in 6502 assembly language for the Apple \]\[.
By default MiniPix are loaded at $5800. File size is 572 ($23C). By default MiniPix are loaded at $5800. File size is 572 ($23C).
From UseNet this question was asked: PrintShop graphics to DHR? From UseNet this question was asked: _PrintShop graphics to DHR?_
I really like this "puzzle" as there are 6 variations: I really like this "puzzle" as there are 6 variations:
a) MiniPixToSrcBufHGR (Over-writes source minipix) * a) MiniPixToSrcBufHGR (Over-writes source minipix)
b) MiniPixToDstBufHGR (Unpacks to different buffer) * b) MiniPixToDstBufHGR (Unpacks to different buffer)
c) MiniPixToScreenHGR * c) MiniPixToScreenHGR
d) MiniPixToSrcBufDHGR (Over-writes source minipix) * d) MiniPixToSrcBufDHGR (Over-writes source minipix)
e) MiniPixToDstBufDHGR (Unpacks to different buffer) * e) MiniPixToDstBufDHGR (Unpacks to different buffer)
f) MiniPixToScreenDHGR * f) MiniPixToScreenDHGR
I was bored this weekend so I whipped up an implementation for: I was bored this weekend so I whipped up an implementation for:
(c) MiniPixToScreenHGR:
Pros * (c) MiniPixToScreenHGR:
====
# Pros
+ Unpacks directly to the HGR screen + Unpacks directly to the HGR screen
+ Doesn't need any secondary buffers + Doesn't need any secondary buffers
+ Source MiniPix image is left untouched + Source MiniPix image is left untouched
@ -36,34 +37,34 @@ Pros
+ Technically, the HGR screen does NOT need to be initialized, however it DOES + Technically, the HGR screen does NOT need to be initialized, however it DOES
call HGR @ $F3E2 though to in order to initialize a few zero page variables. call HGR @ $F3E2 though to in order to initialize a few zero page variables.
Meh # Meh
===
o Uses a 7 byte look-up table for pixel doubling o Uses a 7 byte look-up table for pixel doubling
Cons # Cons
====
- Uses a crap ton of zero page variables -- 16 in total: - Uses a crap ton of zero page variables -- 16 in total:
$1C, $26, $27, $30, $E4 .. $E6, $F7 .. $FF $1C, $26, $27, $30, $E4 .. $E6, $F7 .. $FF
- Requires Applesoft ROM to be banked in as it uses 2 ROM entry points: - Requires Applesoft ROM to be banked in as it uses 2 ROM entry points:
HGR, HPOSN. HGR, HPOSN.
- Code size is 152 bytes. (Demo is 166 bytes.) - Code size is 152 bytes. (Demo is 166 bytes.)
```
6000:20 e2 f3 8d 52 c0 a2 58 a0 00 86 f8 84 f7 a9 12
6010:85 fc a0 00 84 e4 84 ff a2 34 a5 fc 20 17 f4 a8
6020:85 fb 85 fd 18 a5 e5 65 26 85 26 a2 01 86 fe a9
6030:01 85 fa b1 f7 85 f9 06 f9 a5 fd b0 05 1d 9f 60
6040:85 fd e8 e0 04 f0 04 e0 07 d0 13 84 fb 20 8a 60
6050:85 fd a4 fb e6 26 e0 07 d0 04 a2 00 86 fe 06 fa
6060:90 d5 c8 84 fb c0 0b 90 c6 a5 fd 20 8a 60 e6 fc
6070:e6 ff a6 ff e0 03 d0 a0 18 a9 0b 65 f7 85 f7 90
6080:02 e6 f8 a5 fc c9 ae d0 8d 60 48 29 7f a0 00 91
6090:26 68 2a a9 00 2a f0 06 e0 04 d0 02 a9 03 60 06
60a0:18 60 80 0c 30 c0
6000:20 e2 f3 8d 52 c0 a2 58 a0 00 86 f8 84 f7 a9 12 BSAVE MINIPIXVIEWER,A$6000,L$A6
6010:85 fc a0 00 84 e4 84 ff a2 34 a5 fc 20 17 f4 a8 ```
6020:85 fb 85 fd 18 a5 e5 65 26 85 26 a2 01 86 fe a9
6030:01 85 fa b1 f7 85 f9 06 f9 a5 fd b0 05 1d 9f 60
6040:85 fd e8 e0 04 f0 04 e0 07 d0 13 84 fb 20 8a 60
6050:85 fd a4 fb e6 26 e0 07 d0 04 a2 00 86 fe 06 fa
6060:90 d5 c8 84 fb c0 0b 90 c6 a5 fd 20 8a 60 e6 fc
6070:e6 ff a6 ff e0 03 d0 a0 18 a9 0b 65 f7 85 f7 90
6080:02 e6 f8 a5 fc c9 ae d0 8d 60 48 29 7f a0 00 91
6090:26 68 2a a9 00 2a f0 06 e0 04 d0 02 a9 03 60 06
60a0:18 60 80 0c 30 c0
BSAVE MINIPIXVIEWER,A$6000,L$A6
It expects a PrintShop MiniPix (572 bytes) to be loaded at $5800. It expects a PrintShop MiniPix (572 bytes) to be loaded at $5800.
Demo disk and (Merlin32) assembly source included at: Demo disk and (Merlin32) assembly source included.
https://github.com/Michaelangel007/apple2_printshop_viewer