Ported left to new asm syntax
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neauoire
parent
b4e766fd52
commit
a1b2a00adb
25
assembler.c
25
assembler.c
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@ -16,23 +16,20 @@ typedef signed char Sint8;
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typedef unsigned short Uint16;
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typedef signed short Sint16;
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typedef struct
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{
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typedef struct {
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char name[64];
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unsigned int size;
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} Map;
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typedef struct {
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char name[64];
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Uint8 len, offset, refs;
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Uint8 refs, maps;
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Uint16 addr;
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/* map */
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Map map[16];
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Uint8 maps;
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} Label;
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typedef struct {
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Uint8 data[256 * 256], tlen, llen;
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Uint8 data[256 * 256], llen;
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Uint16 ptr;
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Label labels[256];
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} Program;
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@ -122,7 +119,7 @@ findlabellen(char *s)
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char *param;
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Label *l = findlabel(s);
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if(scin(s, '.') < 1)
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return l->len;
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return l->map[0].size;
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param = s + scin(s, '.') + 1;
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for(i = 0; i < l->maps; ++i)
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if(scmp(l->map[i].name, param, 64))
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@ -183,7 +180,7 @@ makelabel(char *name, Uint16 addr)
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l->addr = addr;
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l->refs = 0;
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scpy(name, l->name, 64);
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printf("New label: %s, at 0x%04x[%d]\n", l->name, l->addr, l->len);
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printf("New label: %s, at 0x%04x\n", l->name, l->addr);
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return 1;
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}
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@ -302,12 +299,18 @@ pass2(FILE *f)
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if(off < -126 || off > 126){ printf("Address %s is too far(%d).\n", w, off); return 0; }
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pushbyte((Sint8)(l->addr - p.ptr - 3), 1); l->refs++;
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}
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else if(w[0] == '=' && (l = findlabel(w + 1))) {
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if(!findlabellen(w + 1) || findlabellen(w + 1) > 2)
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return error("Invalid load helper", w);
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pushshort(findlabeladdr(w + 1), 1); pushbyte(findopcode(findlabellen(w + 1) == 2 ? "STR2" : "STR"), 0); l->refs++;}
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else if(w[0] == '~' && (l = findlabel(w + 1))) {
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if(!findlabellen(w + 1) || findlabellen(w + 1) > 2)
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return error("Invalid load helper", w);
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pushshort(findlabeladdr(w + 1), 1); pushbyte(findopcode(findlabellen(w + 1) == 2 ? "LDR2" : "LDR"), 0); l->refs++;}
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else if(w[0] == '|') p.ptr = shex(w + 1);
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else if((op = findopcode(w)) || scmp(w, "BRK", 4)) pushbyte(op, 0);
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else if(w[0] == '.' && (l = findlabel(w + 1))) { pushshort(findlabeladdr(w + 1), 0); l->refs++; }
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else if(w[0] == ',' && (l = findlabel(w + 1))) { pushshort(findlabeladdr(w + 1), 1); l->refs++; }
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else if(w[0] == '=' && (l = findlabel(w + 1))) { pushshort(findlabeladdr(w + 1), 1); pushbyte(findopcode(findlabellen(w + 1) == 2 ? "STR2" : "STR"), 0); l->refs++;}
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else if(w[0] == '~' && (l = findlabel(w + 1))) { pushshort(findlabeladdr(w + 1), 1); pushbyte(findopcode(findlabellen(w + 1) == 2 ? "LDR2" : "LDR"), 0); l->refs++;}
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else if(w[0] == '#' && sihx(w + 1) && slen(w + 1) == 2) pushbyte(shex(w + 1), 1);
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else if(w[0] == '#' && sihx(w + 1) && slen(w + 1) == 4) pushshort(shex(w + 1), 1);
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else if(w[0] == '+' && sihx(w + 1) && slen(w + 1) == 2) pushbyte((Sint8)shex(w + 1), 1);
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@ -324,7 +327,7 @@ void
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cleanup(char *filename)
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{
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int i;
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printf("Assembled %s.\n\n", filename);
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printf("Assembled %s, %d labels.\n\n", filename, p.llen);
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for(i = 0; i < p.llen; ++i)
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if(!p.labels[i].refs)
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printf("--- Unused label: %s\n", p.labels[i].name);
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2
build.sh
2
build.sh
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@ -20,5 +20,5 @@ cc -std=c89 -DDEBUG -Wall -Wno-unknown-pragmas -Wpedantic -Wshadow -Wextra -Werr
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# cc uxn.c emulator.c -std=c89 -Os -DNDEBUG -g0 -s -Wall -Wno-unknown-pragmas -L/usr/local/lib -lSDL2 -o bin/emulator
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# run
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./bin/assembler projects/examples/win.editor.usm bin/boot.rom
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./bin/assembler projects/software/left.usm bin/boot.rom
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./bin/emulator bin/boot.rom
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@ -26,11 +26,6 @@ BRK
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@FRAME
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~pointer.x ~Mouse.x NEQU2
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~pointer.y ~Mouse.y NEQU2
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#0000 EQU2 BRK? ( Return if unchanged )
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,no-ctrl ~Controller.buttons #00 EQU JMP2? POP2
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,no-ctrl-up ~Controller.buttons #10 EQU JMP2? POP2
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@ -161,6 +156,11 @@ RTS
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@draw-cursor
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~pointer.x ~Mouse.x NEQU2
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~pointer.y ~Mouse.y NEQU2
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#0000 EQU2 BRK? ( Return if unchanged )
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( clear last cursor )
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,clear_icn =Sprite.addr
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~pointer.x =Sprite.x
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@ -15,30 +15,20 @@
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- Real scrolling distance
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)
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&Console { pad 8 char 1 byte 1 short 2 }
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&Screen { width 2 height 2 pad 4 x 2 y 2 color 1 }
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&Sprite { pad 8 x 2 y 2 addr 2 color 1 }
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&Controller { buttons 1 }
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&Keyboard { key 1 }
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&Mouse { x 2 y 2 state 1 chord 1 xt 1 yt 1 }
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&File { pad 8 name 2 length 2 load 2 save 2 }
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&Document { eof 2 body 8000 }
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&Clip { len 2 body 256 }
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&Range2d { from 2 to 2 }
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&Point2d { x 2 y 2 }
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&Label2d { x 2 y 2 color 1 addr 2 }
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&Textarea2d { x1 2 y1 2 x2 2 y2 2 addr 2 cursor 1 }
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&Touch2d { x1 2 y1 2 x2 2 y2 2 state 1 }
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;lock 1
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;i 2 ;j 2 ;k 1 ;l 1 ;addr 2
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;selection Range2d ;position Point2d ;scroll Point2d
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;pt Point2d ;mouse Point2d ;touch Touch2d
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;textarea Textarea2d
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;label Label2d ( remove )
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;lock { byte 1 }
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;k { byte 1 }
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;l { byte 1 }
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;i { short 2 }
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;j { short 2 }
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;addr { short 2 }
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;selection { from 2 to 2 }
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;position { x 2 y 2 }
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;scroll { x 2 y 2 }
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;pt { x 2 y 2 }
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;mouse { x 2 y 2 }
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;touch { x1 2 y1 2 x2 2 y2 2 state 1 }
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;textarea { x1 2 y1 2 x2 2 y2 2 addr 2 cursor 1 }
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;label { x 2 y 2 color 1 addr 2 } ( remove )
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|0100 @RESET
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@ -125,7 +115,6 @@ BRK
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,$no-backspace ~KEYS #08 NEQ JMP2? POP2
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( erase )
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,$erase-multiple ~selection.to ~selection.from SUB2 #0001 NEQ2 JMP2? POP2
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$erase-single
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~selection.to ~selection.from SUB2 ,shift-left JSR2
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,$erase-end JMP2
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$erase-multiple
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@ -703,18 +692,18 @@ RTS
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@filepath1 [ projects/examples/gui.hover.usm 00 ]
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@filepath [ projects/software/left.usm 00 ]
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|3000 ;document Document
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|c000 ;clip Clip
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|3000 ;document { eof 2 body 8000 }
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|c000 ;clip { len 2 body 256 }
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|d000 @ERROR BRK
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|FF00 ;CNSL Console
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|FF10 ;SCRN Screen
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|FF20 ;SPRT Sprite
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|FF30 ;CTRL Controller
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|FF40 ;KEYS Keyboard
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|FF50 ;MOUS Mouse
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|FF60 ;FILE File
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|FF00 ;CNSL { pad 8 char 1 byte 1 short 2 }
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|FF10 ;SCRN { width 2 height 2 pad 4 x 2 y 2 color 1 }
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|FF20 ;SPRT { pad 8 x 2 y 2 addr 2 color 1 }
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|FF30 ;CTRL { buttons 1 }
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|FF40 ;KEYS { key 1 }
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|FF50 ;MOUS { x 2 y 2 state 1 chord 1 xt 1 yt 1 }
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|FF60 ;FILE { pad 8 name 2 length 2 load 2 save 2 }
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|FFF0 .RESET .FRAME .ERROR ( vectors )
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|FFF8 [ 30ff e0f3 b0f3 ] ( palette )
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