★ AMSTRAD CPC ★ GAMESLIST ★ DEALER (c) COMPUTER GAMER ★

COMPUTER GAMER
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The program is full of REM statements to make it simple to follow. Also meaningful variable names have been used throughout.
The program is menu driven and requires a lot of player input. This means it has to be fairly comprehensively error trapped.
The 3D bar charts are set up as strings ready to print. The strings contain the varying paper/pen colours as well as the graphics .
Defined function give (FNa) the player's total assets and (FNb) where to print a bar chart.
Line 620 shows a way of handling words that might be singular or plural: plur$(0)="" and plur$(l)= "s". Month and Year are printed with plur$(l) added unless it is singular when plur$(0) is used instead. This avoids a messy IF/ELSE/ELSE/ELSE statement to handle all the possibilities.
The program is a simulation of dealing on the stock market. The object if the game is to become a millionaire as quickly as possible and avoid going bankrupt.
The game is played in rounds which are equivalent to a calendar month and it begins in April, the start of the financial year. Each month – whether you invest or not – you have to pay your broker a fee which is based on your assets. Every year you also receive a tax demand. This is for a minimum of 100 pounds and can be more, according to your means. If you get into debt then you will be forced to sell shares. If, at any time, you can't raise the cash to pay off your debts, then you are declared bankrupt, and you lose.
You start with 100 pounds (but your broker immediately takes some) and can buy and sell shares in any of 5 British companies:

Mechanical engineering (construction works) Petroleum (oil)

Chemical engineering (chemicals, plastics, gasses, etc)

Electrical engineering (computers, circuitry, etc) Farming produce (crops, consumer products)

The prices of shares in the companies rise and fall on a regular cycle between D and 100 pounds by 5 points a round. At the start of the game, the inital price and trend is set at random. t However, world news can affect the prices in shares. The trend up or down can be reversed by news or cause a temporary fluctuation in prices.
Only half the news headlines affect the shares.

Some of the news headlines are deliberately misleading or ambiguous. For instance, "EURO CROP FAILURE" is good for British farming companies.
" OIL RIGS ON SCHEDULE "affects the construction company rather than petroleum prices.

Combinations of new items can produce misleading results. Imagine petrol is on 15 pounds and rising. Suppose there are two news articles: the first alters the trend downwards, the
second causes a temporary price rise of 10. The next round, the price will be 15 + 10-5 = 20. It might look as if the trend is upwards still, and you might be tempted to buy. But in this example, the price would drop back down to 15 next round (if nothing new happened to petrol) and you would lose!

The biggest "killings" can be made by buying shares when they are low but rising. (You are not permitted to buy a share valued at 0 pounds !) For instance, buy a share at 5 pounds, sell at 10 next round and you've doubled your investment. But there is the danger of the unexpected happening and the share dropping to 0. If this happens, you lose your invested money entirely. Higher priced shares are safer, because they are not likely to drop to 0 in one round, but the profits from them may not be enough to pay your debts.
Each round consists of the following : -

1. Bar charts showing present share prices for the five companies plus sound to indicate if your investments have risen or fallen.
2. Early news headline.
3. (Forced to sell shares if in debt)
4. You are shown your assets, current share prices, shares you own, and you have the opportunity to buy and sell shares
5. Late news headlines which also affect the shares, but after all trading has finished.
At each stage of each round you are prompted to press a hey or input a number. Illegal entries are ignored.

COMPUTER GAMER #8

DEALER
(c) COMPUTER GAMER

AUTHOR: DAVID MUIR

★ YEAR: 1985
★ LANGUAGE:
★ GENRE: BASIC
★ LiCENCE: LISTING

★ AMSTRAD CPC ★ DOWNLOAD ★

Type-in/Listing:
» Dealer    (Computer  Gamer)    LISTING    ENGLISHDATE: 2016-02-10
DL: 2707
TYPE: PDF
SiZE: 1720Ko
NOTE: 3 pages/PDFlib v1.6

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L'Amstrad CPC est une machine 8 bits à base d'un Z80 à 4MHz. Le premier de la gamme fut le CPC 464 en 1984, équipé d'un lecteur de cassettes intégré il se plaçait en concurrent  du Commodore C64 beaucoup plus compliqué à utiliser et plus cher. Ce fut un réel succès et sorti cette même années le CPC 664 équipé d'un lecteur de disquettes trois pouces intégré. Sa vie fut de courte durée puisqu'en 1985 il fut remplacé par le CPC 6128 qui était plus compact, plus soigné et surtout qui avait 128Ko de RAM au lieu de 64Ko.