Motorola Axiom CMD11E1 Guia do Utilizador descarregar pdf (Página 39)

3.5. YOUR SECOND FUNCTION 39

; restore the registers

PULX

PULB

PULA

RTS

;;;;;;;;;;;;;;;;;;;;;;;End: PRBINARY;;;;;;;;;;;;;;;;;;;;

3.5.1 Test your function

We can test the function by loading diﬀerent values in the A register. The random

number generator we wrote ﬁrst comes in useful here! Write the following program,

and test it by repeating the call to $C100 from the BUFFALO prompt.

;;;;;;;;;;;;;;;;;;;;;;;start of code ;;;;;;;;;;;;;;;;;;;;;;;;

;

; Standard buffalo equates

; Make sure you have ALL the equates in the file.

;

UCASE EQU $FFA0

WCHEK EQU $FFA3

DCHEK EQU $FFA6

INIT EQU $FFA9

INPUT EQU $FFAC

OUTPUT EQU $FFAF

OUTLHLF EQU $FFB2

OUTRHLF EQU $FFB5

OUTA EQU $FFB8

OUT1BYT EQU $FFBB

OUT1BSP EQU $FFBE

OUT2BSP EQU $FFC1

OUTCRLF EQU $FFC4

OUTSTRG EQU $FFC7

OUTSTRGO EQU $FFCA

INCHAR EQU $FFCD

VECINIT EQU $FFD0

ORG $C100

LDX #ABOUTME

JSR OUTSTRG

1 2 ... 34 35 36 37 38 39 40 41 42 43 44 ... 100 101

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Motorola Axiom CMD11E1 Guia do Utilizador Página 39