keyboardspecialist

DrawNewColumn:
	lda scroll		;calc new address using scroll register
	lsr a
	lsr a
	lsr a			;shift right 3 times
	sta columnLo	;$00 to $1F, screen is 32 tiles wide
	
	lda nametable	;calc new col addr using current nametable
	eor #$01		;invert lo bit
	asl a			;shift up, A = $00 or $02

keyboardspecialist

macro mul_32_16bit m, l
	lda #$00
	sta m
	asl l
	rol m
	asl l
	rol m
	asl l
	rol m
	asl l

keyboardspecialist

#include "neslib.h"

#define ORIGIN_X  128
#define ORIGIN_Y	120

#define MAX_DEPTH	32

#define NT_ADR1		0x2000
#define NT_ADR2		0x2400
#define NT_ADR3		0x2800

keyboardspecialist

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

#define MAX_RECORDS 30
#define MAX_NAME_LEN 20

#define ERR_BAD_PTR -1
#define NOERR       0

keyboardspecialist

obj := mkobj(upb,fns,a,b,c,d,e,f,g,h,i,j,k) CIN:y, POS:y, NAT:y

This function creates and initialises an object. It definition is as follows:

LET mkobj(upb, fns, a, b, c, d, e, f, g, h, i, j, k) = VALOF
{ LET obj = getvec(upb)
IF obj DO
{ !obj := fns
InitObj#(obj, @a) // Send the init message to the object
}

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SECTION "USER FRIENDLY MANUALS"

GET     "libhdr"



MANIFEST
{   entry_id        = 0 
    entry_dep       = 1
    entry_dsize     = 2

keyboardspecialist

SECTION "USER FRIENDLY MANUALS"

GET     "libhdr"



MANIFEST
{   entry_id        = 0 
    entry_dep       = 1
    entry_dsize     = 2

keyboardspecialist

<NODE 0: [16][46][76][93]>
<NODE 1: [2][7][8][15][16][18][20][22][23][37][45][49][55][57][66][83][89][93]>
<NODE 2: [3][5][25][28][36][37][40][57][73][84][96][98]>
<NODE 3: [8][11][13][25][31][33][60][68][70][79][92][96]>
<NODE 4: [3][7][8][11][12][17][22][24][29][50][53][54][63][69][72][74][75][86][88][97][99]>
<NODE 5: [16][17][20][24][25][28][29][31][33][36][42][45][53][80][88][96]>
<NODE 6: [7][18][25][27][47][48][49][53][54][56][60][70][73][87][88][93][94][99]>
<NODE 7: [8][11][29][54][59][71][79][93]>
<NODE 8: [13][16][24][31][72][73][79][81][86][99]>
<NODE 9: [27][29][71][79][84][90][92][99]>

keyboardspecialist

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <limits.h>
#include <string.h>

#define found UINT_MAX-1
#define notfnd UINT_MAX

#define _DEBUG

keyboardspecialist

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <limits.h>
#include <string.h>

#define found UINT_MAX-1
#define notfnd UINT_MAX-2

#define _DEBUG