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Border Tron vector tableI've been trying to use the Border Tron border creator, but the vector table is created where code to my game is at (FE00 I think), how would I go ab…
I've been trying to use the Border Tron border creator, but the vector table is created where code to my game is at (FE00 I think), how would I go about relocating the vector table to say 30000 as I don't understand hex very well! -
InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
... I need to create a vector table and want to store this ... -
Rainbow Generator for 48K Spectrum using PUSHThis is what I came up with from [B]gasman[/B]'s suggestions. It's stable in ZXSpin and ZX32 simulating a 48K Speccy. Anyone like to try it on the …
... the new 3072-byte attribute table.
[CODE]
; ... /> ;---------------------
interrupts_on
;Configure interrupt vector table,
;set 65024..65280 (257 ... address table...
ld I,A ; ...goes into the interrupt vector
A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... maxsprites = 10;
// Table Holding Movement Data for Each ...Disable interrupts?Well, I've read the bits from the David Webb book about interrupt modes and (vaguely) appreciate the principles behind having a vector table, after r…
... the principles behind having a vector table, after reading a number of ...Matching calls and returnsHi all, A pretty fundamental question here that I probably should have sorted by now. I've noticed how much the stack has built out in my current g…
Byte-order backbufferThis is a tool for Z80 coders who wish the Spectrum screen had a serial layout. It runs as an interrupt mode 2 service routine and uses POP and PUSH …
... a, 0x3b ; high byte of vector table
ld i, a
org 0xfff4
vector:
jp im_main ; jump to ... first ROM byte forms JR vector
[/code]
Martijn ...z88dk and im2I set up a minimal IM2 mode so I can draw sprites for a laff [code] #include <string.h> #include <stdio.h> #include <im2.h> #include <stdlib.h> #in…
... in im2 mode with interrupt vector table located at 0xd300
vector table with all 0xd4 bytes
table location.
ld i,a ...Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…
... libraries.
;Use interrupt table at 48640 (190*256) ... br /> di
;Interrupt vector table to go at 190*256 ... br /> ;Point interrupts to the table:
ld a,190
table
REPT 8,int_sprite_attr_loop ...Hooky - hook ZX ROM and rewire RST and NMI to RAM - rantThis is a rather long rant. Not for short tempered. :) The objective is to hook into RST "vectors" and NMI on a Spectrum without affecting the normal…
... in RAM for such a table?
--- HOW TO SETUP ... it. If we create our vector table before
the RAM test ...
code with our "create vector table" code?
When ZX ...Basic and AY musicis it possible to play an ay-music in background while a basic program is running?
Set your RAMTOP as to allow enough room for IM2 vector table, AY data, AY player, IM2 routine. Set IM2 mode. IM2 rountine should RST 38 and call AY player then RET preserving the value of HL'.Basic and AY musicis it possible to play an ay-music in background while a basic program is running?
... allow enough room for IM2 vector table, AY data, AY player, IM2 ...Sync-buzzer, interrupts and general confusionBeen wittering on about this in the Misc group, but thought it was best discussed here. Basically been trying to recreate the Sid-Sound effect from A…
... as an index into a table of interrupt service routine ... points at a 256 byte table containing interrupt service routine addresses ... setup code assumes the interrupt vector table is 257 bytes long and ... ULA interrupts, no matter what vector (ID) is provided to the ...InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
... you could have a table of vectors of interrupt ... end up looking in your table between two other addresses. ... a sequence in your vector table like AB CD AB ... byte of the interrupt vector is generated as FF ... byte. Thus meaning you table needs to range from A000 ...InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
... identifier that indexes into this table. Eg, if the identifier ... This avoids overlapping in the table. A peripheral supplying id 0 ... routine addresses overlap in the table. Combined with the uncertainty ... I need to create a vector table and want to store this ...FrameSyncIt was many many years ago since i programmed assembly on the spectrum but I just picked it up again for fun. Now this is one thing I can't remember…
... the address of your IM2 vector table, ADDR is the address of ...Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …
... =47665/256=186. The interrupt vector table will be located at address ...Assistance with IM2 routineI subsequently got a working IM2 routine.
... code]
This is a vector table, just a very small one ... creating a huge vector table. All entries in the vector table need to be ... you could have a "proper" vector table, and some piece of hardware ... onto the bus. Then the vector table would be used to call ...Assistance with IM2 routineI subsequently got a working IM2 routine.
... ) you could have a "proper" vector table, and some piece of hardware ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... suggests locations for the im2 vector table and a generic isr, ... at $f000. The rotation table actually begins $200 bytes later ... in the default configuration the table occupies addresses $f200-$ffff ... t need the rotation table. The rotation table is not used ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... we create the interrupt vector table and store our ... of the interrupt vector table. The interrupt vector table must begin on ... - d400 IM2.LIB im 2 vector table
; d100 - d2ff ... location of the interrupt vector table using some inline assembler. ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... IM2.LIB where the interrupt vector table is located. The call ... a 257-byte interrupt vector table all containing 0xd4 bytes and ... the im 2 vector table. Since the vector table is full of ... interrupt service routine on any vector (peripheral id). The interrupt ...The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…
... of memory considering where the vector table and routine are.
Better ... $fd00 to $fe00 for the table, and set the values to ...The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…
... of memory considering where the vector table and routine are.
Better ... $fd00 to $fe00 for the table, and set the values to ... are captured and the ISR-table and jump are just 260 ...The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…
... need to set up a vector table - this is 257 ... (the pointer to your vector table). It uses "some other ... a 257b lookup table.
Your table basically gives a ... you've set up your table, and your interrupt routine ... -byte address of your table), and then IM 2 ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... , 0xd1d1); // create a 257-byte table at address 0xd000 containing 0xd1 ... creates the 257-byte interrupt vector table at address 0xd000 (this suggested ...Dangerous Z80 Assembly CommandHave been reading Toni Bakers' "Mastering MC On Ya Speccy" book and came across the list of Z80 commands in the dictionary section. Page 102 "[b]IM…
... routines, the 257 byte interrupt vector table and music data reside.
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... particular, it puts an interrupt vector table in contended memory, which has ...
