Space Fly (Fumihisa Takahashi)

Title – はえうちおとしゲーム (Space Fly / Fly Shoot-Down Game)
System – NEC PC-8001mkii
Author – 高橋文久 (Fumihisa Takahashi)
Publication – Program Pochette – ’84 Volume 1
Page Scans – 1 2 3
Preserved by – Dustin Hubbard (Hubz)
Recommended Emulator – j80

Download ROM

Loading the Game –

Loading the Game –
– Run your PC-8001 emulator and make sure it is in PC-8001mkII mode.

Disk Version

– Insert the disk file.
– Game should autoboot if it doesn’t you may just need to reset the emulator.

Tape Version

– Insert the tape file.
– Type MON hit enter and then type L and hit enter.

Game Instructions –

Fly a ship around and shoot the Space Flies for points. Basic space shooting game like Galaxian/Space Invaders.

Controls –

Numpad 4 – Traveler to the left

Numpad 6 – Traveler to the right

SPACEBAR – Beam firing

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Magazine Article Translation from Google Gemini (FYI This may not be 100% accurate!)

はえうちおとしゲーム (Hae Uchi Otoshi Gēmu)
Fly Shoot-Down Game

For PC-8001 mkII
By 高橋文久 (Fumihisa Takahashi)

It’s the familiar fly shoot-down game. Eh? Are there flies in space? Well, don’t think too deeply about it……. To shoot one down, you have to aim for a certain spot, but I’ll keep it a secret just where that is.

I know where it is, though. Fuffuffu… (a classic smug laugh). If you haven’t finished typing in the program yet, hurry up and Run it. Surely, a world of excitement awaits you.

(How to Play the Game)

Space flies that move in very unpredictable ways. This is a thrilling game where the Space Traveler shoots them down.

(Keys Used)

4 ・・・ Traveler to the left

6 ・・・ Traveler to the right

SPACE ・・・ Beam firing

(How to Play)

This program is written in N-80 BASIC. When “Hit Return Key” appears, it begins to draw the screen, but the fact that it takes a little time is a bit of a problem. When you hear the Beep sound, the game starts right away.

If you’re dawdling, you’ll get hit by the space flies’ beam, so I want you to dodge all over the place and shoot them down skillfully. The space flies shoot when the Traveler is directly beneath them, so you should avoid staying directly under a space fly for too long.

You have 3 Travelers (lives). Shooting down one space fly is 100 points.

Also, the stars in the background are determined one by one with random colors and positions, so the fact that it takes a little time is EXTREMELY frustrating! However, it’s a masterpiece that makes good use of the PC’s strong graphics and character-overlay functions.

(Program Explanation)

(Variable List)

U ・・・ Number of Travelers

SC ・・・ Score

HI ・・・ High Score

XA ・・・ Traveler’s coordinates

X ・・・ Space fly’s coordinates

(Program Description)

1〜60 Initial Setup

70〜290 Main Loop

300〜340 Traveler Hit Processing

350〜390 Game End & Retry

400〜650 Screen Setup at Game Start

1000〜1060 Space Fly Hit Processing

1070〜1360 Processing for the screen before the game starts. Includes the routine that draws the large letters “SPACEFLY”.

(Check Point / Tips)

The dots at the start of the game are slow to draw, so you get irritated while waiting… So, if you make the following changes, it will get a little faster. After line 416 (FOR I = 0 TO 100…) NEXT, add OUT 81, 33:WIDTH 80,. Also, after line 570 NEXT, add OUT 81, 32:WIDTH 80,. The screen will be reduced, but you can also shorten the wait time by reducing the FOR loop end values at lines 411 and 570 (which are currently 100 and 500, respectively).