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retromalina.pas
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retromalina.pas
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// *****************************************************************************
// The retromachine unit for Raspberry Pi/Ultibo
// Ultibo v. 0.30 - 2018.04.23
// Piotr Kardasz
// pik33@o2.pl
// www.eksperymenty.edu.pl
// GPL 2.0 or higher
// uses combinedwaveforms.bin by Johannes Ahlebrand - MIT licensed
//******************************************************************************
//
// --- ALPHA, don't complain !!!
//
// Retromachine memory map @bytes FOR ULTIBO
//
// 0000_0000 - heap_start (about 0190_0000) - Ultibo area
// Heap start - 2EFF_FFFF retromachine program area, about 720 MB
//
// BASE=$2FF0_0000 - this can change or become dynamic
//
// 2FF0_0000 - 2FF0_FFFF - 6502 area
// 2FF0_D400 - 2FF0_D418 SID
// 2FF0_D420 - POKEY --- TODO
//
// 2FF1_0000 - 2FF5_FFFF - system data area
// 2FF1_0000 - 2FF4_FFFF pallette banks; 65536 entries
// 2FF5_0000 - 2FF5_1FFF font definition; 256 char @8x16 px
// 2FF5_2000 - 2FF5_9FFF static sprite defs 8x4k
// 2FF5_A000 - 2FF5_FFFF reserved for future OS/BASIC
//
// 2FF6_0000 - 2FF6_FFFF --- copper
// 2FF6_0000 - frame counter
// 2FF6_0004 - display start
// 2FF6_0008 - current graphics mode ----TODO
// 2FF6_0009 - bytes per pixel
// 2FF6_000C - border color
// 2FF6_0010 - pallette bank ----TODO
// 2FF6_0014 - horizontal pallette selector: bit 31 on, 30..20 add to $60010, 11:0 pixel num. ----TODO
// 2FF6_0018 - display list start addr ----TODO
// DL entry: 00xx_YYLLL_MM - display LLL lines in mode MM
// xx: 00 - do nothing
// 01 - raster interrupt
// 10 - set pallette bank YY
// 11 - set horizontal scroll at YY
// 10xx_AAAAAAA - set display address to xxAAAAAAA
// 11xx_AAAAAAA - goto address xxAAAAAAA
// 2FF6_001C - horizontal scroll right register ----TODO
// 2FF6_0020 - x res
// 2FF6_0024 - y res
// 2FF6_0028 - KBD. 28 - ASCII 29 modifiers, 2A raw code 2B key released
// 2FF6_002C - mouse. 6002c,d x 6002e,f y
// 2FF6_0030 - mouse keys, 2FF6_0032 - mouse wheel; 127 up 129 down
// 2FF6_0034 - current dl position ----TODO
// 2FF6_0040 - 2FF6_007C sprite control long 0 31..16 y pos 15..0 x pos
// long 1 30..16 y zoom 15..0 x zoom
// 2FF6_0080 - 2FF6_009C dynamic sprite data pointer
// 2FF6_00A0 - text cursor position
// 2FF6_00A4 - text color
// 2FF6_00A8 - background color
// 2FF6_00AC - text size and pitch
// 2FF6_00B0 - double buffer screen #1 address
// 2FF6_00B4 - double buffer screen #2 address
// 2FF6_00B8 - native x resolution
// 2FF6_00BC - native y resolution
// 2FF6_00C0 - initial DL area
//
// 2FF6_0100 - 2FF6_01FF - blitter
// 2FF6_0200 - 2FF6_02FF - paula
// 2FF6_0300 - 2FF6_0?FF - FM synth
// 2FF6_0F00 - system data area
// 2FF6_0F00 - CPU clock
// 2FF6_0F04 - CPU temperature
// 2FF6_0FF8 - kbd report
// 2FF7_0000 - 2FFF_FFFF - retromachine system area
// 3000_0000 - 30FF_FFFF - virtual framebuffer area
// 3100_0000 - 3AFF_FFFF - Ultibo system memory area
// 3B00_0000 - 3EFF_FFFF - GPU memory
// 3F00_0000 - 3FFF_FFFF - RPi real hardware registers
// TODO planned retromachine graphic modes:
// 00..15 Propeller retromachine compatible - TODO
// 16 - 1792x1120 @ 8bpp
// 17 - 896x560 @ 16 bpp
// 18 - 448x280 @ 32 bpp
// 19 - native borderless @ 8 bpp /xres, yres defined @ 60020,60024
// 20..23 - 16 bpp modes
// 24..27 - 32 bpp modes
// 28 ..31 text modes - ?
// bit 7 set = double buffered
// DL modes
//xxxxDDMM
// xxxx = 0001 for RPi Retromachine
// MM: 00: hi, 01 med 10 low 11 native borderless
// DD: 00 8bpp 01 16 bpp 10 32 bpp 11 border
// ---------------------------- This is still alpha quality code
unit retromalina;
{$mode objfpc}{$H+}
interface
uses sysutils,classes,unit6502,Platform,Framebuffer,retrokeyboard,retromouse,
threads,GlobalConst,globalconfig,ultibo,retro, simpleaudio, mp3, xmp, HeapManager;//, vc4, dispmanx;
const base= $23F00000; // retromachine system area base
nocache= $C0000000; // cache off address addition
mainscreen= $23000000;
const _pallette= $10000;
_systemfont= $50000;
_sprite0def= $52000;
_sprite1def= $53000;
_sprite2def= $54000;
_sprite3def= $55000;
_sprite4def= $56000;
_sprite5def= $57000;
_sprite6def= $58000;
_sprite7def= $59000;
_framecnt= $60000;
_displaystart= $60004;
_graphicmode= $60008;
_bpp= $60009;
_bordercolor= $6000C;
_pallettebank= $60010;
_palletteselector=$60014;
_dlstart= $60018;
_hscroll= $6001C;
_xres= $60020;
_yres= $60024;
_keybd= $60028;
_mousexy= $6002C;
_mousekey= $60030;
_dlpos= $60034;
_reserved01= $60038;
_reserved02= $6003C;
_spritebase= $60040;
_sprite0xy= $60040;
_sprite0zoom= $60044;
_sprite1xy= $60048;
_sprite1zoom= $6004C;
_sprite2xy= $60050;
_sprite2zoom= $60054;
_sprite3xy= $60058;
_sprite3zoom= $6005C;
_sprite4xy= $60060;
_sprite4zoom= $60064;
_sprite5xy= $60068;
_sprite5zoom= $6006C;
_sprite6xy= $60070;
_sprite6zoom= $60074;
_sprite7xy= $60078;
_sprite7zoom= $6007C;
_sprite0ptr= $60080;
_sprite1ptr= $60084;
_sprite2ptr= $60088;
_sprite3ptr= $6008C;
_sprite4ptr= $60090;
_sprite5ptr= $60094;
_sprite6ptr= $60098;
_sprite7ptr= $6009C;
_textcursor= $600A0;
_tcx= $600A0;
_tcy= $600A2;
_textcolor= $600A4;
_bkcolor= $600A8;
_textsize= $600AC;
_audiodma= $600C0;
_dblbufscn1= $60400;
_dblbufscn2= $60404;
_nativex= $60408;
_nativey= $6040C;
_initialdl= $60410;
_kbd_report= $60FF8;
type
// Retromachine main thread
TRetro = class(TThread)
private
protected
procedure Execute; override;
public
Constructor Create(CreateSuspended : boolean);
end;
// mouse thread
Tmouse= class(TThread)
private
protected
procedure Execute; override;
public
Constructor Create(CreateSuspended : boolean);
end;
TKeyboard= class(TThread)
private
protected
procedure Execute; override;
public
Constructor Create(CreateSuspended : boolean);
end;
type wavehead=packed record
riff:integer;
size:cardinal;
wave:integer;
fmt:integer;
fmtl:integer;
pcm:smallint;
channels:smallint;
srate:integer;
brate:integer;
bytesps:smallint;
bps:smallint;
data:integer;
datasize:cardinal;
end;
TSample=array[0..1] of smallint;
TSample32=array[0..1] of integer;
var fh,filetype:integer; // this needs cleaning...
sfh:integer; // SID file handler
play:word;
p2:^integer;
tim,t,t2,t3,ts,t6,time6502:int64;
vblank1:byte;
scope:array[0..1023] of integer;
db:boolean=false;
debug:integer;
sidtime:int64=0;
timer1:int64=-1;
siddelay:int64=20000;
songtime,songfreq:int64;
skip:integer;
scj:integer=0;
thread:TRetro;
times6502:array[0..15] of integer;
attacktable:array[0..15] of double=(5.208e-4,1.302e-4,6.51e-5,4.34e-5,2.74e-5,1.86e-5,1.53e-5,1.3e-5,1.04e-5,4.17e-6,2.08e-6,1.302e-6,1.04e-6,3.47e-7,2.08e-7,1.3e-7);
attacktablei:array[0..15] of int64;
srtablei:array[0..15] of int64;
sidcount:integer=1;
sampleclock:integer=0;
sidclock:integer=0;
siddata:array[0..1151] of integer;
i,j,k,l,fh2,lines:integer;
p,p3:pointer;
b:byte;
scrfh:integer;
running:integer=0;
p4:^integer;
fb:pframebufferdevice;
FramebufferProperties:TFramebufferProperties;
kbd:array[0..15] of TKeyboarddata;
m:array[0..128] of Tmousedata;
pause1:boolean=false;
i1l,i2l,fbl,topl:integer;
i1r,i2r,fbr,topr:integer;
buf2:array[0..1919] of smallint;
buf2f:array[0..959] of single absolute buf2;
amouse:tmouse ;
akeyboard:tkeyboard ;
psystem,psystem2:pointer;
vol123:integer=0;
textcursoron:boolean=false;
head:wavehead;
nextsong:integer=0;
oldsc:integer=0;
sc:integer=0;
channel1on:byte=1;
channel2on:byte=1;
channel3on:byte=1;
mp3time:int64;
// system variables
systempallette:array[0..255] of TPallette absolute base+_pallette;
systemfont:TFont absolute base+_systemfont;
sprite0def:TSprite absolute base+_sprite0def;
sprite1def:TSprite absolute base+_sprite1def;
sprite2def:TSprite absolute base+_sprite2def;
sprite3def:TSprite absolute base+_sprite3def;
sprite4def:TSprite absolute base+_sprite4def;
sprite5def:TSprite absolute base+_sprite5def;
sprite6def:TSprite absolute base+_sprite6def;
sprite7def:TSprite absolute base+_sprite7def;
framecnt: cardinal absolute base+_framecnt;
displaystart: cardinal absolute base+_displaystart;
graphicmode: cardinal absolute base+_graphicmode;
bpp: byte absolute base+_bpp;
bordercolor: cardinal absolute base+_bordercolor;
pallettebank: cardinal absolute base+_pallettebank;
palletteselector:cardinal absolute base+_palletteselector;
dlstart: cardinal absolute base+_dlstart;
hscroll: cardinal absolute base+_hscroll;
xres: integer absolute base+_xres;
yres: integer absolute base+_yres;
key_charcode: byte absolute base+_keybd;
key_modifiers: byte absolute base+_keybd+1;
key_scancode: byte absolute base+_keybd+2;
key_release : byte absolute base+_keybd+3;
mousexy: cardinal absolute base+_mousexy;
mousex: word absolute base+_mousexy;
mousey: word absolute base+_mousexy+2;
mousek: byte absolute base+_mousekey;
mouseclick: byte absolute base+_mousekey+1;
mousewheel: byte absolute base+_mousekey+2;
mousedblclick: byte absolute base+_mousekey+3;
dlpos: cardinal absolute base+_dlpos;
sprite0xy: cardinal absolute base+_sprite0xy;
sprite0x: smallint absolute base+_sprite0xy;
sprite0y: smallint absolute base+_sprite0xy+2;
sprite0zoom: cardinal absolute base+_sprite0zoom;
sprite0zoomx: word absolute base+_sprite0zoom;
sprite0zoomy: word absolute base+_sprite0zoom+2;
sprite1xy: cardinal absolute base+_sprite1xy;
sprite1x: smallint absolute base+_sprite1xy;
sprite1y: smallint absolute base+_sprite1xy+2;
sprite1zoom: cardinal absolute base+_sprite1zoom;
sprite1zoomx: word absolute base+_sprite1zoom;
sprite1zoomy: word absolute base+_sprite1zoom+2;
sprite2xy: cardinal absolute base+_sprite2xy;
sprite2x: smallint absolute base+_sprite2xy;
sprite2y: smallint absolute base+_sprite2xy+2;
sprite2zoom: cardinal absolute base+_sprite2zoom;
sprite2zoomx: word absolute base+_sprite2zoom;
sprite2zoomy: word absolute base+_sprite2zoom+2;
sprite3xy: cardinal absolute base+_sprite3xy;
sprite3x: smallint absolute base+_sprite3xy;
sprite3y: smallint absolute base+_sprite3xy+2;
sprite3zoom: cardinal absolute base+_sprite3zoom;
sprite3zoomx: word absolute base+_sprite3zoom;
sprite3zoomy: word absolute base+_sprite3zoom+2;
sprite4xy: cardinal absolute base+_sprite4xy;
sprite4x: smallint absolute base+_sprite4xy;
sprite4y: smallint absolute base+_sprite4xy+2;
sprite4zoom: cardinal absolute base+_sprite4zoom;
sprite4zoomx: word absolute base+_sprite4zoom;
sprite4zoomy: word absolute base+_sprite4zoom+2;
sprite5xy: cardinal absolute base+_sprite5xy;
sprite5x: smallint absolute base+_sprite5xy;
sprite5y: smallint absolute base+_sprite5xy+2;
sprite5zoom: cardinal absolute base+_sprite5zoom;
sprite5zoomx: word absolute base+_sprite5zoom;
sprite5zoomy: word absolute base+_sprite5zoom+2;
sprite6xy: cardinal absolute base+_sprite6xy;
sprite6x: smallint absolute base+_sprite6xy;
sprite6y: smallint absolute base+_sprite6xy+2;
sprite6zoom: cardinal absolute base+_sprite6zoom;
sprite6zoomx: word absolute base+_sprite6zoom;
sprite6zoomy: word absolute base+_sprite6zoom+2;
sprite7xy: cardinal absolute base+_sprite7xy;
sprite7x: smallint absolute base+_sprite7xy;
sprite7y: smallint absolute base+_sprite7xy+2;
sprite7zoom: cardinal absolute base+_sprite7zoom;
sprite7zoomx: word absolute base+_sprite7zoom;
sprite7zoomy: word absolute base+_sprite7zoom+2;
sprite0ptr: cardinal absolute base+_sprite0ptr;
sprite1ptr: cardinal absolute base+_sprite1ptr;
sprite2ptr: cardinal absolute base+_sprite2ptr;
sprite3ptr: cardinal absolute base+_sprite3ptr;
sprite4ptr: cardinal absolute base+_sprite4ptr;
sprite5ptr: cardinal absolute base+_sprite5ptr;
sprite6ptr: cardinal absolute base+_sprite6ptr;
sprite7ptr: cardinal absolute base+_sprite7ptr;
spritepointers: array[0..7] of cardinal absolute base+_sprite0ptr;
textcursor: cardinal absolute base+_textcursor;
tcx: word absolute base+_textcursor;
tcy: word absolute base+_textcursor+2;
textcolor: cardinal absolute base+_textcolor;
bkcolor: cardinal absolute base+_bkcolor;
textsizex: byte absolute base+_textsize;
textsizey: byte absolute base+_textsize+1;
textpitch: byte absolute base+_textsize+2;
audiodma1: array[0..7] of cardinal absolute base+_audiodma;
audiodma2: array[0..7] of cardinal absolute base+_audiodma+32;
dblbufscn1: cardinal absolute base+_dblbufscn1;
dblbufscn2: cardinal absolute base+_dblbufscn2;
nativex: cardinal absolute base+_nativex;
nativey: cardinal absolute base+_nativey;
kbdreport: array[0..7] of byte absolute base+_kbd_report;
error:integer;
mousereports:array[0..31] of TMouseReport;
mp3bufidx:integer=0;
outbufidx:integer=0;
framesize:integer;
backgroundaddr:integer=mainscreen;
screenaddr:integer=mainscreen+$800000;
redrawing:integer=mainscreen+$800000;
windowsdone:boolean=false;
drive:string;
mp3frames:integer=0;
debug1,debug2,debug3:cardinal;
mmm:integer;
// prototypes
procedure initmachine(mode:integer);
procedure stopmachine;
procedure graphics(mode:integer);
procedure setpallette(pallette:TPallette;bank:integer);
procedure cls(c:integer);
procedure putpixel(x,y,color:integer);
procedure putchar(x,y:integer;ch:char;col:integer);
procedure outtextxy(x,y:integer; t:string;c:integer);
procedure blit(from,x,y,too,x2,y2,length,lines,bpl1,bpl2:integer);
procedure box(x,y,l,h,c:integer);
procedure box2(x1,y1,x2,y2,color:integer);
procedure box32(x,y,l,h,c:integer);
procedure box322(x1,y1,x2,y2,color:integer);
function gettime:int64;
procedure poke(addr:cardinal;b:byte);
procedure dpoke(addr:cardinal;w:word);
procedure lpoke(addr:cardinal;c:cardinal);
procedure slpoke(addr:cardinal;i:integer);
function peek(addr:cardinal):byte;
function dpeek(addr:cardinal):word;
function lpeek(addr:cardinal):cardinal;
function slpeek(addr:cardinal):integer;
procedure sethidecolor(c,bank,mask:cardinal);
procedure fcircle(x0,y0,r,c:integer);
procedure circle(x0,y0,r,c:integer);
procedure line(x,y,dx,dy,c:integer);
procedure line2(x1,y1,x2,y2,c:integer);
procedure putcharz(x,y:integer;ch:char;col,xz,yz:integer);
procedure outtextxyz(x,y:integer; t:string;c,xz,yz:integer);
procedure outtextxys(x,y:integer; t:string;c,s:integer);
procedure outtextxyzs(x,y:integer; t:string;c,xz,yz,s:integer);
procedure scrollup;
function sid(mode:integer):tsample;
function getpixel(x,y:integer):integer; inline;
function getkey:integer; inline;
function readkey:integer; inline;
function getreleasedkey:integer; inline;
function readreleasedkey:integer; inline;
function keypressed:boolean;
function click:boolean;
function dblclick:boolean;
procedure waitvbl;
procedure removeramlimits(addr:integer);
function remapram(from,too,size:cardinal):cardinal;
function readwheel: shortint; inline;
procedure unhidecolor(c,bank:cardinal);
procedure scrconvertnative(src,screen:pointer);
procedure print(line:string);
procedure println(line:string);
procedure printscreen;
implementation
uses blitter, mwindows;
var windows:Twindows;
procedure scrconvert(src,screen:pointer); forward;
procedure sprite(screen:pointer); forward;
// ---- TMouse thread methods --------------------------------------------------
operator =(a,b:tmousereport):boolean;
var i:integer;
begin
result:=true;
for i:=0 to 7 do if a[i]<>b[i] then result:=false;
end;
constructor TMouse.Create(CreateSuspended : boolean);
begin
FreeOnTerminate := True;
inherited Create(CreateSuspended);
end;
procedure TMouse.Execute;
label p101,p102;
var mb:tmousedata;
i,j:integer;
mi:cardinal;
x,y,w:integer;
m:TMouseReport;
mousexy,buttons,offsetx,offsety,wheel:integer;
const mousecount:integer=0;
begin
ThreadSetpriority(ThreadGetCurrent,5);
threadsleep(1);
mousetype:=0;
repeat
p102:
repeat m:=getmousereport; threadsleep(2); until m[0]<>255;
if mousedebugwindow<>nil then
begin
for i:=0 to 7 do mousedebugwindow.print(inttohex(m[i],2)+' ');
mousedebugwindow.println(' ');
if mousedebugwindow.needclose then
begin
mousedebugwindow.destroy;
mousedebugwindow:=nil;
end;
end;
if (mousetype=1) and (m=mousereports[7]) and (m[0]=1) and (m[2]=0) and (m[3]=0) and (m[4]=0) and (m[5]=0) then goto p102; //ignore empty M1 records
mousecount+=1;
j:=0; for i:=0 to 7 do if m[i]<>0 then j+=1;
if (j>1) or (mousecount<16) then
begin
for i:=0 to 7 do mouserecord[i]:=(m[i]);
for i:=0 to 6 do mousereports[i]:=mousereports[i+1];
mousereports[7]:=m;
end;
j:=0;
for i:=0 to 6 do if mousereports[i,7]<>m[7] then j+=1;
for i:=0 to 6 do if mousereports[i,6]<>m[6] then j+=1;
for i:=0 to 6 do if mousereports[i,5]<>m[5] then j+=1;
for i:=0 to 6 do if mousereports[i,4]<>m[4] then j+=1;
for i:=0 to 6 do if (mousereports[i,2]>$F0) and (mousereports[i,3]=$FF) then j+=1; // 16 bit mouse slowing run at x
for i:=0 to 6 do if (mousereports[i,4]>$F0) and (mousereports[i,5]=$FF) then j+=1; // 16 bit mouse slowing run at x
if (j=0) then begin mousetype:=0; goto p101; end;
j:=0;
for i:=0 to 6 do begin j+=mousereports[i,1]; j+=mousereports[i,7]; end;
for i:=0 to 6 do if (mousereports[i,3]<>$FF) and (mousereports[i,3]<>0) then j+=1;
if j=0 then begin mousetype:=3; goto p101; end;
for i:=0 to 6 do if mousereports[i,7]<>m[7] then mousetype:=m[0]; // 1 or 2
p101:
if mousetype=0 then // most standard mouse type
begin
buttons:=m[0];
offsetx:=shortint(m[1]);
offsety:=shortint(m[2]);
wheel:=shortint(m[3]);
end
else if mousetype=2 then // the strange Logitech wireless 12-bit mouse
begin
buttons:=m[1];
mousexy:=m[2]+256*(m[3] and 15);
if mousexy>=2048 then mousexy:=mousexy-4096;
if m[6]=0 then offsetx:=mousexy else offsetx:=0;
mousexy:=m[4]*16 + m[3] div 16;
if mousexy>=2048 then mousexy:=mousexy-4096;
if m[6]=0 then offsety:=mousexy else offsety:=0;
if ((m[7]=134) or (m[7]=198)) and (m[6]=0) and (m[1]=0) and (m[2]=0) and (m[3]=0) and (m[4]=0) then wheel:=shortint(m[5]) else wheel:=0;
end
else if mousetype=1 then
begin
buttons:=m[1];
mousexy:=m[2]+256*(m[3] and 15);
if mousexy>=2048 then mousexy:=mousexy-4096;
offsetx:=mousexy;
mousexy:=m[4]*16 + m[3] div 16;
if mousexy>=2048 then mousexy:=mousexy-4096;
offsety:=mousexy;
wheel:=shortint(m[5]);
end
else if mousetype=3 then // 16-bit mouse
begin
buttons:=shortint(m[0]);
offsetx:=shortint(m[2]);
offsety:=shortint(m[4]);
wheel:=shortint(m[6]);
end;
x:=mousex+offsetx;
if x<0 then x:=0;
if x>(xres-1) then x:=xres-1;
mousex:=x;
y:=mousey+offsety;
if y<0 then y:=0;
if y>(yres-1) then y:=yres-1;
mousey:=y;
mousek:=Buttons and 255;
if wheel<-1 then wheel:=-1;
if wheel>1 then wheel:=1;
w:=mousewheel+Wheel;
if w<127 then w:=127;
if w>129 then w:=129;
mousewheel:=w;
until terminated;
end;
// ---- TKeyboard thread methods --------------------------------------------------
constructor TKeyboard.Create(CreateSuspended : boolean);
begin
FreeOnTerminate := True;
inherited Create(CreateSuspended);
end;
procedure TKeyboard.Execute;
// At every vblank the thread tests if there is a report from the keyboard
// If yes, the kbd codes are poked to the system variables
// $60028 - translated code
// $60029 - modifiers
// $6002A - raw code
// This thread also tracks mouse clicks
const rptcnt:integer=0;
activekey:integer=0;
olactivekey:integer=0;
oldactivekey:integer=0;
lastactivekey:integer=0;
m:integer=0;
c:integer=0;
dblclick:integer=0;
dblcnt:integer=0;
clickcnt:integer=0;
click:integer=0;
var ch:TKeyboardReport;
i:integer;
keyrelease, found:integer;
begin
ThreadSetpriority(ThreadGetCurrent,5);
threadsleep(1);
for i:=0 to 7 do kbdreport[i]:=0;
repeat
waitvbl;
sprite7xy:=mousexy;//+$00280040; //sprite coordinates are fullscreen
//while mouse is on active screen only
if mousedblclick=2 then begin dblclick:=0; dblcnt:=0; mousedblclick:=0; end;
if (dblclick=0) and (mousek=1) then begin dblclick:=1; dblcnt:=0; end;
if (dblclick=1) and (mousek=0) then begin dblclick:=2; dblcnt:=0; end;
if (dblclick=2) and (mousek=1) then begin dblclick:=3; dblcnt:=0; end;
if (dblclick=3) and (mousek=0) then begin dblclick:=4; dblcnt:=0; end;
inc(dblcnt); if dblcnt>10 then begin dblcnt:=10; dblclick:=0; end;
if dblclick=4 then mousedblclick:=1 {else mousedblclick:=0};
if peek(base+$60031)=2 then begin click:=2; clickcnt:=10; end;
if (mousek=1) and (click=0) then begin click:=1; clickcnt:=0; end;
inc(clickcnt); if clickcnt>10 then begin clickcnt:=10; click:=2; end;
if (mousek=0) then click:=0;
if click=1 then mouseclick:=1 else mouseclick:=0;
ch:=getkeyboardreport;
if ch[7]<>255 then
begin
// box(0,0,300,16,0); for i:=0 to 7 do outtextxy(i*32,0, inttostr(ch[i]),120);
// generate a key release events, too...
keyrelease:=0;
for i:=2 to 7 do
begin
if kbdreport[i]>3 then
begin
found:=0;
for j:=2 to 7 do
begin
if ch[j]=kbdreport[i] then found:=1;
end;
if found=0 then keyrelease:=kbdreport[i];
end;
end;
if keyrelease<>0 then key_release:=keyrelease;
for i:=0 to 7 do kbdreport[i]:=ch[i];
olactivekey:=lastactivekey;
oldactivekey:=activekey;
lastactivekey:=0;
activekey:=0;
if ch[0]>0 then begin m:=ch[0]; key_modifiers:=m; end;
for i:=2 to 7 do if (ch[i]>3) and (ch[i]<255) then lastactivekey:=i;
if (lastactivekey>olactivekey) and (lastactivekey>0) then begin rptcnt:=0; activekey:=ch[lastactivekey]; end
else if (lastactivekey<olactivekey) then begin rptcnt:=0; activekey:=0; end
else if (lastactivekey=olactivekey) and (lastactivekey>0) and (oldactivekey<>ch[lastactivekey]) then begin rptcnt:=0; activekey:=ch[lastactivekey]; end;
if lastactivekey<2 then begin rptcnt:=0; activekey:=0; m:=0; end;
c:=byte(translatescantochar(activekey,0));
if (m and $22)<>0 then c:=byte(translatescantochar(activekey,1));
if (m and $42)=$40 then c:=byte(translatescantochar(activekey,2));
if (m and $42)=$42 then c:=byte(translatescantochar(activekey,3));
end;
if (c>2) then inc(rptcnt);
if rptcnt>26 then rptcnt:=24 ;
if (rptcnt=1) or (rptcnt=24) then
begin
key_charcode:=byte(c);
key_scancode:=activekey mod 256;
end;
until terminated;
end;
// ---- TRetro thread methods --------------------------------------------------
// ----------------------------------------------------------------------
// constructor: create the thread for the retromachine
// ----------------------------------------------------------------------
constructor TRetro.Create(CreateSuspended : boolean);
begin
FreeOnTerminate := True;
inherited Create(CreateSuspended);
end;
// ----------------------------------------------------------------------
// THIS IS THE MAIN RETROMACHINE THREAD
// - convert retromachine screen to raspberry screen
// - display sprites
// ----------------------------------------------------------------------
procedure TRetro.Execute;
// --- rev 21070111
var id:integer;
wh:TWindow;
screen:integer;
begin
ThreadSetCPU(ThreadGetCurrent,CPU_ID_3);
ThreadSetAffinity(ThreadGetCurrent,1);
ThreadSetPriority(ThreadGetCurrent,4);
threadsleep(1);
running:=1;
repeat
begin
vblank1:=0;
t:=gettime;
scrconvertnative(pointer(mainscreen+$800000),p2); //8
screenaddr:=mainscreen+$800000;
tim:=gettime-t;
t:=gettime;
sprite(p2);
ts:=gettime-t;
vblank1:=1;
CleanDataCacheRange(integer(p2),(xres+64)*yres*4);
framecnt+=1;
FramebufferDeviceSetOffset(fb,0,0,True);
FramebufferDeviceWaitSync(fb);
vblank1:=0;
t:=gettime;
scrconvertnative(pointer(mainscreen+$b00000),p2+(xres+64)*(yres{+32})); //a
screenaddr:=mainscreen+$b00000;
tim:=gettime-t;
t:=gettime;
sprite(p2+(xres+64)*(yres));
ts:=gettime-t;
vblank1:=1;
CleanDataCacheRange(integer(p2)+(xres+64)*(yres{+32})*4,(xres)*yres*4);
framecnt+=1;
FramebufferDeviceSetOffset(fb,0,yres,True);
FramebufferDeviceWaitSync(fb);
end;
until terminated;
running:=0;
end;
// ---- Retromachine procedures ------------------------------------------------
// ----------------------------------------------------------------------
// initmachine: start the machine
// ----------------------------------------------------------------------
procedure initmachine(mode:integer);
// -- rev 20180423
var i:integer;
mousedata:TSprite;
begin
// clean all system area
for i:=base to base+$FFFFF do poke(i,0);
repeat fb:=FramebufferDevicegetdefault until fb<>nil;
// get native resolution
FramebufferDeviceGetProperties(fb,@FramebufferProperties);
nativex:=FramebufferProperties.PhysicalWidth;
nativey:=FramebufferProperties.PhysicalHeight;
mmm:=FramebufferProperties.mode;
FramebufferDeviceRelease(fb);
if (nativex>=1024) and (nativey>=720) then
begin
xres:=nativex;
yres:=nativey;
end
else
begin
xres:=round(2*nativex);
yres:=round(2*nativey);
end;
FramebufferProperties.Depth:=32;
FramebufferProperties.PhysicalWidth:=xres;
FramebufferProperties.PhysicalHeight:=yres;
FramebufferProperties.VirtualWidth:=xres+64;
FramebufferProperties.VirtualHeight:=yres*2;
FramebufferProperties.mode:=0;
FramebufferDeviceAllocate(fb,@FramebufferProperties);
threadsleep(300);
FramebufferDeviceGetProperties(fb,@FramebufferProperties);
p2:=Pointer(FramebufferProperties.Address);
bordercolor:=0;
displaystart:=mainscreen; // vitual framebuffer address
framecnt:=0; // frame counter
// init pallette, font and mouse cursor
//systemfont:=vgafont;
systemfont:=st4font;
sprite7def:=mysz;
sprite7zoom:=$00010001;
setpallette(ataripallette,0);
for i:=$10000 to $10000+1023 do if (i mod 4) = 0 then lpoke(base+i,lpeek(base+i) or $FF000000);
// init sprite data pointers
for i:=0 to 7 do spritepointers[i]:=base+_sprite0def+4096*i;
// init sid variables
for i:=0 to 127 do siddata[i]:=0;
for i:=0 to 15 do siddata[$30+i]:=round(1073741824*(1-attacktable[i]));
for i:=0 to 15 do siddata[$40+i]:=round(1073741824*attacktable[i]);
for i:=0 to 1023 do siddata[128+i]:=combined[i];
for i:=0 to 1023 do siddata[128+i]:=(siddata[128+i]-128) shl 16;
siddata[$0e]:=$7FFFF8;
siddata[$1e]:=$7FFFF8;
siddata[$2e]:=$7FFFF8;
reset6502;
mad_stream_init(@test_mad_stream);
mad_synth_init(@test_mad_synth);
mad_frame_init(@test_mad_frame);
removeramlimits(integer(@sprite));
mousex:=xres div 2;
mousey:=yres div 2;
mousewheel:=128;
background:=TWindow.create(xres,yres,'');
background32:=TWindow32.create(xres,yres,'');
panel:=TPanel.create;
threadsleep(100);
// start frame refreshing thread
thread:=tretro.create(true);
thread.start;
// start windows --- TODO - remove this from here!!!
windows:=twindows.create(true);
windows.start;
mousedata:=mysz;
for i:=0 to 1023 do if mousedata[i]<>0 then mousedata[i]:=mousedata[i] or $FF000000;
amouse:=tmouse.create(true);
amouse.start;
akeyboard:=tkeyboard.create(true);
akeyboard.start;
poke(base+$1000,mmm);
end;
// ---------------------------------------------------------------------
// stopmachine: stop the retromachine
// rev. 20170111
// ---------------------------------------------------------------------
procedure stopmachine;
begin
thread.terminate;
repeat until running=0;
amouse.terminate;
akeyboard.terminate;
windows.terminate;
end;
// ----- Screen convert procedures
procedure scrconvert(src,screen:pointer);
// --- rev 21070111
var a,b,c:integer;
e:integer;
label p1,p0,p002,p10,p11,p12,p999;
begin
a:=displaystart;
c:=integer(src);//$30800000; // map start
e:=bordercolor;
b:=base+_pallette;
asm
stmfd r13!,{r0-r12,r14} //Push registers
ldr r1,c
ldr r2,screen
ldr r3,b
mov r5,r2
//upper border
add r5,#307200
ldr r4,e
mov r6,r4
mov r7,r4
mov r8,r4
mov r9,r4
mov r10,r4
mov r12,r4
mov r14,r4
p10: stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
cmp r2,r5
blt p10
mov r0,#1120
p11: add r5,#256
//left border
p0: stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}
stm r2!,{r4,r6,r7,r8,r9,r10,r12,r14}