Difference between revisions of "Big Bird's Special Delivery"
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[[File:BigBirdsSpecialDelivery_Rakki_s1.g64]] | [[File:BigBirdsSpecialDelivery_Rakki_s1.g64]] | ||
| + | |||
| + | == Source 2 == <!--T:2--> | ||
| + | |||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | ! Property !! Data | ||
| + | |- | ||
| + | | Title || Big Bird's Special Delivery | ||
| + | |- | ||
| + | | Publisher and/or Developer || Hi-Tech Expressions, Children's Television Workshop | ||
| + | |- | ||
| + | | Year || 1987 | ||
| + | |- | ||
| + | | Disk(s) || 1 | ||
| + | |- | ||
| + | | Number of Index Holes || ? | ||
| + | |- | ||
| + | | Media Type || 5.25 DSDD | ||
| + | |- | ||
| + | | Retail, Budget or Compilation (with name) || Budget? | ||
| + | |- | ||
| + | | Country of Release || US | ||
| + | |- | ||
| + | | Language(s) || English | ||
| + | |- | ||
| + | | Platform || C64 | ||
| + | |- | ||
| + | | NTSC or PAL || PAL/NTSC | ||
| + | |- | ||
| + | | Protection || None | ||
| + | |- | ||
| + | | Working? || Yes | ||
| + | |- | ||
| + | | Archived || C64PP | ||
| + | |- | ||
| + | | Verified by || parser | ||
| + | |} | ||
| + | |||
| + | [[File:BigBirdsSpecialDelivery_loader.bmp|thumb|Loader]] | ||
| + | |||
| + | ===== Analysis ===== | ||
| + | |||
| + | Compared to Source 1 this version has a '''Autostart loader "CTW"''' added that loads '''basic program "HTE"'''. | ||
| + | HTE shows a screen centered loading message and loads '''"BT7"''' at $1000, which shows a full screen petscii loading screen and loads '''"BIGBIRD"'''. | ||
| + | With a small start routine at $1080 the code of the main program is patched: | ||
| + | |||
| + | at $8CEE JSR $973B is replaced by BIT $973B. This routine would display the CBS Software Logo. | ||
| + | |||
| + | at $8D15 JSR $87E1 is replaced by BIT $87E1. This routine would wait after the CBS Software Logo is shown. | ||
| + | |||
| + | at $8610 RTS is patched in. This reduced the wait time of the credits screen, basically skipping it. | ||
| + | |||
| + | ===== G64 ===== | ||
| + | |||
| + | [[File:big_bird's_special_delivery-cbs_hitech_1987-.g64]] | ||
Revision as of 20:52, 5 February 2020
Source 1
| Property | Data |
|---|---|
| Title | Big Bird's Special Delivery |
| Publisher and/or Developer | Children's Computer Workshop Inc. |
| Year | 1984 |
| Disk(s) | 1 |
| Number of Index Holes | 1 |
| Media Type | 5.25 DSDD |
| Retail, Budget or Compilation (with name) | Retail |
| Country of Release | US |
| Language(s) | English |
| Platform | C64 |
| NTSC or PAL | PAL/NTSC |
| Protection | None |
| Working? | Yes |
| Archived | 15 Oct 2014 Rakki |
| Verified by | enigma |
Covers
Copyright
Manual Copyright
Manual Cover
Disk Surface
Title
Credits
Menu
Game
Load with LOAD":*",8,1 then run with SYS32768
Streams
File:Streams BigBirdsSpecialDelivery Rakki.zip
G64
File:BigBirdsSpecialDelivery Rakki s0.g64
Disk side 1 is empty.
File:BigBirdsSpecialDelivery Rakki s1.g64
Source 2
| Property | Data |
|---|---|
| Title | Big Bird's Special Delivery |
| Publisher and/or Developer | Hi-Tech Expressions, Children's Television Workshop |
| Year | 1987 |
| Disk(s) | 1 |
| Number of Index Holes | ? |
| Media Type | 5.25 DSDD |
| Retail, Budget or Compilation (with name) | Budget? |
| Country of Release | US |
| Language(s) | English |
| Platform | C64 |
| NTSC or PAL | PAL/NTSC |
| Protection | None |
| Working? | Yes |
| Archived | C64PP |
| Verified by | parser |
Analysis
Compared to Source 1 this version has a Autostart loader "CTW" added that loads basic program "HTE". HTE shows a screen centered loading message and loads "BT7" at $1000, which shows a full screen petscii loading screen and loads "BIGBIRD". With a small start routine at $1080 the code of the main program is patched:
at $8CEE JSR $973B is replaced by BIT $973B. This routine would display the CBS Software Logo.
at $8D15 JSR $87E1 is replaced by BIT $87E1. This routine would wait after the CBS Software Logo is shown.
at $8610 RTS is patched in. This reduced the wait time of the credits screen, basically skipping it.
