Tips and Tricks
(C) VfNG / NEW
Do you want to fall? Those who do not know that
focus, what I am going to describe
just drop. Buy mats (no sports), lots of wool, iodine, and the
nurse younger (useful).
Tamp or upload the files of the following:
;----------------------------------------
ORG # 6200
;----------------------------------------
CALL # C000; initialization
; Music
; Module
;----------------------------------------
DI; initialize
LD HL, # 6000; IM 2
LD B, L; Vector # 6000
LD A, H; Procedure
LD I, A; processing
INC A; # C006, ie,
L1 LD (HL), A; player
INC HL; ringtones
DJNZ L1
LD (HL), A
LD L, H
LD (HL), # C3
INC HL
LD DE, # C006; address of the procedure
LD (HL), E; play
INC HL
LD (HL), D
IM 2
;----------------------------------------
LD HL, BEGIN; with
LD BC, # C000-BEGIN-3; address
L2 LD (HL), # FB; BEGIN create
INC HL; how intermeddle
DEC BC; teams EI
LD A, B
OR C
JR NZ, L2
LD (HL), # C3; after all the piles
INC HL; EI switch to
LD DE, BEGIN; BEGIN
LD (HL), E
INC HL
LD (HL), D
;---------------------------------------- BEGIN; EI: EI: EI ..
. JP BEGIN ;----------------------------------------
ORG # C000
;----------------------------------------
INSERT "MUSIC"; some
; Music
; Module in the compiled
; # C000. For example, from PT2
, Or Sound Tracker'a.
Let us estimate the logic of applets. At first she
sinitsializiruet IM 2, then create a memory procedure,
consisting of Continuum EI-NIS, and one purely for the JP
loop. Then this same procedure
start. Since it consists only of
EI, then for some team will interrupt, then the player would be
called music from the speaker will pour sweet melody. All
right? Run ...
*
You have already been discharged from hospital? As head?
Still ache a little after the fall? Sorry that it happened. But
I hope You still wonder why this program
worked some did not like from her
expected?
A casket is opened simply. The thing is
Team EI. In fact, she not only
permit termination, but also ... prohibits them! At the time of
the next a team. This focus is built into the Z80
to the end of processing procedures INT'a,
ending EI: RET, this is the RET
time to execute before the arrival of a new interrupt. Someone
asks: what if EI: HALT, although this theory, they should call
hang? Everything and then simply: in fact the team is not just
waiting for HALT INT, and also knits socks varit cereal, change
diapers and child generates as NOP. Here is the first of
HALT'ovskih NOP'ov interrupt actually prohibited
and all the other does not.
The question remains: where can this Thing
apply? Myself do not know yet ...
