c64: added sid music/sfx, updated memmap, examples
This commit is contained in:
Steven Hugg
parent
3beef5626c
commit
b0d4f8f1f5
Binary file not shown.
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@ -0,0 +1,47 @@
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FEATURES {
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STARTADDRESS: default = $0801;
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}
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SYMBOLS {
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__LOADADDR__: type = import;
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__EXEHDR__: type = import;
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__STACKSIZE__: type = weak, value = $0800; # 2k stack
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__HIMEM__: type = weak, value = $D000;
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}
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MEMORY {
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ZP: file = "", define = yes, start = $0002, size = $001A;
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LOADADDR: file = %O, start = %S - 2, size = $0002;
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HEADER: file = %O, define = yes, start = %S, size = $000D;
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LOWMAIN: file = %O, define = yes, start = __HEADER_LAST__, size = $1000 - __HEADER_LAST__, fill = yes;
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SIDFILE: file = %O, define = yes, start = $1000, size = $1000, fill = yes;
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MAIN: file = %O, define = yes, start = $2000, size = __HIMEM__ - $2000;
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BSS: file = "", start = __ONCE_RUN__, size = __HIMEM__ - __STACKSIZE__ - __ONCE_RUN__;
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}
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SEGMENTS {
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ZEROPAGE: load = ZP, type = zp;
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LOADADDR: load = LOADADDR, type = ro;
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EXEHDR: load = HEADER, type = ro;
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STARTUP: load = LOWMAIN, type = ro;
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LOWCODE: load = LOWMAIN, type = ro, optional = yes;
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SIDFILE: load = SIDFILE, type = ro, optional = yes;
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CODE: load = MAIN, type = ro;
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RODATA: load = MAIN, type = ro;
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DATA: load = MAIN, type = rw;
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INIT: load = MAIN, type = rw;
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ONCE: load = MAIN, type = ro, define = yes;
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BSS: load = BSS, type = bss, define = yes;
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}
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FEATURES {
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CONDES: type = constructor,
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label = __CONSTRUCTOR_TABLE__,
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count = __CONSTRUCTOR_COUNT__,
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segment = ONCE;
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CONDES: type = destructor,
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label = __DESTRUCTOR_TABLE__,
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count = __DESTRUCTOR_COUNT__,
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segment = RODATA;
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CONDES: type = interruptor,
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label = __INTERRUPTOR_TABLE__,
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count = __INTERRUPTOR_COUNT__,
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segment = RODATA,
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import = __CALLIRQ__;
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}
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@ -17,8 +17,18 @@
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#include "sprites.h"
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//#link "sprites.c"
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// indices of sound effects (0..3)
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typedef enum { SND_START, SND_HIT, SND_COIN, SND_JUMP } SFXIndex;
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//#resource "c64-sid.cfg"
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#define CFGFILE c64-sid.cfg
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//#resource "sidmusic1.bin"
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//#link "sidplaysfx.ca65"
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#include "sidplaysfx.h"
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// indices of sound effects
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#define SND_JUMP 0
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#define SND_HIT 2
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#define SND_COIN 1
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#define SND_FALL 3
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///// DEFINES
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@ -469,7 +479,7 @@ void draw_actor(byte i) {
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void refresh_actors() {
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byte i;
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yscroll = BOTTOM_Y + scroll_fine_y + (START_ORIGIN_Y - origin_y)*8;
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sprite_clear();
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sprshad.spr_ena = 0; // make all sprites invisible
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for (i=0; i<MAX_ACTORS; i++)
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draw_actor(i);
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animate_explosion();
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@ -541,6 +551,7 @@ void move_actor(struct Actor* actor, byte joystick, bool scroll) {
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actor->yvel = 15;
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if (joystick & JOY_LEFT_MASK) actor->xvel = -1;
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if (joystick & JOY_RIGHT_MASK) actor->xvel = 1;
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if (scroll) sid_sfx(SND_JUMP);
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} else if (joystick & JOY_LEFT_MASK) {
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actor->x--;
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actor->dir = 1;
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@ -605,6 +616,7 @@ void move_actor(struct Actor* actor, byte joystick, bool scroll) {
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if (actor->state == WALKING &&
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is_in_gap(actor->x, floors[actor->level].gap)) {
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fall_down(actor);
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if (scroll) sid_sfx(SND_FALL);
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}
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}
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@ -626,11 +638,11 @@ void pickup_object(Actor* actor) {
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if (objtype == ITEM_MINE) {
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// we hit a mine, fall down
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fall_down(actor);
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//sfx_play(SND_HIT,0);
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sid_sfx(SND_HIT);
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} else {
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// we picked up an object, add to score
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//score = bcd_add(score, 1);
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//sfx_play(SND_COIN,0);
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sid_sfx(SND_COIN);
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}
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}
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}
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@ -717,6 +729,9 @@ void play_scene() {
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create_actors_on_floor(2);
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refresh_screen();
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sid_init(1);
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sid_start();
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while (actors[0].level != MAX_FLOORS-1) {
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refresh_actors();
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move_player();
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@ -728,6 +743,7 @@ void play_scene() {
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if (VIC.spr_coll & 0x01) {
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if (actors[0].level > 0 && check_collision(&actors[0])) {
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fall_down(&actors[0]);
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sid_sfx(SND_HIT);
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}
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}
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if (swap_needed) sprite_update(hidbuf);
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@ -73,13 +73,16 @@ void main(void) {
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// infinite loop
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while (1) {
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static char speed = 1;
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// get joystick bits
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char joy = joy_read(0);
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// speed up scrolling while button pressed
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speed = JOY_BTN_1(joy) ? 2 : 1;
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// move sprite based on arrow keys
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if (JOY_LEFT(joy)) scroll_horiz(-1);
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if (JOY_UP(joy)) scroll_vert(-1);
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if (JOY_RIGHT(joy)) scroll_horiz(1);
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if (JOY_DOWN(joy)) scroll_vert(1);
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if (JOY_LEFT(joy)) scroll_horiz(-speed);
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if (JOY_UP(joy)) scroll_vert(-speed);
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if (JOY_RIGHT(joy)) scroll_horiz(speed);
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if (JOY_DOWN(joy)) scroll_vert(speed);
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// animate sprite in shadow sprite ram
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sprite_draw(0, n++, 70, 32);
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// wait for vblank
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@ -0,0 +1,32 @@
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#include <stdio.h>
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#include <conio.h>
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#include <c64.h>
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#include <cbm_petscii_charmap.h>
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#include <joystick.h>
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//#resource "c64-sid.cfg"
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#define CFGFILE c64-sid.cfg
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//#resource "sidmusic1.bin"
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//#link "sidplaysfx.ca65"
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#include "sidplaysfx.h"
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void main(void) {
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clrscr();
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cursor(0);
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joy_install(joy_static_stddrv);
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sid_init(0);
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sid_start();
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printf("\r\nSID file loaded at $1000\r\n");
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printf("\r\nMove joystick for SFX\r\n");
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while (1) {
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char joy = joy_read(0);
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if (joy) {
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sid_sfx(joy & 3);
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}
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waitvsync();
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//sid_update();
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}
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}
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Binary file not shown.
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@ -0,0 +1,85 @@
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; music and SFX from GoatTracker 2 sample files
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; http://sourceforge.net/projects/goattracker2
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.segment "SIDFILE"
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.incbin "sidmusic1.bin"
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.segment "LOWCODE"
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.global _sid_init, _sid_update, _sid_sfx
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.global _sid_start
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_sid_init:
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jmp $1000
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_sid_update:
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jmp $1003
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_sid_sfx:
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tax
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lda sfxtbllo,x ;Address in A,Y
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ldy sfxtblhi,x
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ldx #$0e ;Channel index in X
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jmp $1006 ;(0, 7 or 14)
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SID_IRQ:
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jsr $1003
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ASL $D019 ; acknowledge the interrupt by clearing the VIC's interrupt flag
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JMP $EA31 ; jump into KERNAL's standard interrupt service routine to handle keyboard scan, cursor display etc.
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_sid_start:
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SEI ; set interrupt bit, make the CPU ignore interrupt requests
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LDA #%01111111 ; switch off interrupt signals from CIA-1
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STA $DC0D
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AND $D011 ; clear most significant bit of VIC's raster register
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STA $D011
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LDA $DC0D ; acknowledge pending interrupts from CIA-1
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LDA $DD0D ; acknowledge pending interrupts from CIA-2
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LDA #210 ; set rasterline where interrupt shall occur
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STA $D012
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LDA #<SID_IRQ ; set interrupt vectors, pointing to interrupt service routine below
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STA $0314
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LDA #>SID_IRQ
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STA $0315
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LDA #%00000001 ; enable raster interrupt signals from VIC
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STA $D01A
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CLI ; clear interrupt flag, allowing the CPU to respond to interrupt requests
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RTS
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sfxtbllo: .byte <arpeggio2
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.byte <arpeggio1
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.byte <gunshot
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.byte <explosion
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sfxtblhi: .byte >arpeggio2
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.byte >arpeggio1
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.byte >gunshot
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.byte >explosion
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arpeggio2:
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.byte $00,$89,$04,$A2,$41,$A2,$A2,$A6,$A6,$A6,$40,$A9,$A9,$A9,$A2,$A2
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.byte $A2,$A6,$A6,$A6,$A9,$A9,$A9,$A2,$A2,$A2,$A6,$A6,$A6,$A9,$A9,$A9
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.byte $A2,$A2,$A2,$A6,$A6,$A6,$A9,$A9,$A9,$00
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arpeggio1:
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.byte $0A,$00,$02,$A0,$41,$A0,$A0,$A4,$A4,$A4,$A7,$A7,$A7,$A0,$A0,$A0
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.byte $A4,$A4,$A4,$A7,$A7,$A7,$A0,$A0,$A0,$A4,$A4,$A4,$A7,$A7,$A7,$A0
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.byte $A0,$A0,$A4,$A4,$A4,$A7,$A7,$A7,$00
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gunshot:
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.byte $00,$F9,$08,$C4,$81,$A8,$41,$C0,$81,$BE,$BC,$80,$BA,$B8,$B6,$B4
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.byte $B2,$B0,$AE,$AC,$AA,$A8,$A6,$A4,$A2,$A0,$9E,$9C,$9A,$98,$96,$94
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.byte $92,$90,$00
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explosion:
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.byte $00,$FA,$08,$B8,$81,$A4,$41,$A0,$B4,$81,$98,$92,$9C,$90,$95,$9E
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.byte $92,$80,$94,$8F,$8E,$8D,$8C,$8B,$8A,$89,$88,$87,$86,$84,$00
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@ -0,0 +1,7 @@
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extern void sid_init(char musicindex);
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extern void sid_update(void);
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extern void sid_sfx(char sfxindex);
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extern void sid_start(void);
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extern void sid_stop(void);
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@ -0,0 +1,152 @@
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#include <stdio.h>
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#include <conio.h>
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#include <c64.h>
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#include <cbm_petscii_charmap.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include "common.h"
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//#link "common.c"
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#include "sprites.h"
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//#link "sprites.c"
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/*{w:12,h:21,bpp:2,brev:1}*/
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const char SPRITEMC[3*21] = {
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0x00,0xAA,0x80,0x02,0xAA,0xA0,0x0A,0xAA,0xA8,
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0x0A,0xAE,0xA8,0x0A,0xBB,0xA8,0x0A,0xBA,0xA8,
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0x0A,0xBB,0xA8,0x0A,0xAE,0xA8,0x0A,0xAA,0xA8,
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0x09,0xAA,0x98,0x08,0x6A,0x48,0x08,0x1D,0x08,
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0x02,0x0C,0x20,0x02,0x0C,0x20,0x02,0x0C,0x20,
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0x00,0x8C,0x80,0x00,0x8C,0x80,0x00,0x55,0x40,
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0x00,0x77,0x40,0x00,0x5D,0x40,0x00,0x15,0x00
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};
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int xpos[8];
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int ypos[8];
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int xvel[8];
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int yvel[8];
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void init_sprites(void) {
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byte i;
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// setup sprite positions
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for (i=0; i<8; i++) {
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xpos[i] = ((i & 3) * 0x2000) - 0x1000;
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ypos[i] = (i * 0x1000) - 0x3000;
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sprshad.spr_color[i] = i | 8;
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}
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}
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void move_sprites(void) {
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byte i;
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for (i=0; i<8; i++) {
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//VIC.bordercolor = i;
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sprite_draw(i, (xpos[i]>>7)+0x80, (ypos[i]>>8)+0x80, 32);
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// update position
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xpos[i] += xvel[i];
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ypos[i] += yvel[i];
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}
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}
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void update_sprites(void) {
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byte i;
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for (i=0; i<8; i++) {
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// update velocity
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xvel[i] -= xpos[i] >> 12;
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yvel[i] -= ypos[i] >> 12;
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}
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}
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void collide_sprites(byte spr_coll) {
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byte i;
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byte mask = 1;
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// exit if no collisions
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if (!spr_coll) return;
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// iterate all sprites that have their flag set
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for (i=0; i<8; i++, mask<<=1) {
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//VIC.bordercolor = i;
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if (spr_coll & mask) {
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// find the first sprite that intersects
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byte j = sprite_get_closest_collision(i, spr_coll);
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// returns 0..7 if a sprite was found
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if (j < 8) {
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xvel[i] = (xpos[i] - xpos[j]) >> 4;
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yvel[i] = (ypos[i] - ypos[j]) >> 4;
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}
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}
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}
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}
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void iterategame1(void) {
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byte spr_coll;
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// wait for vblank
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wait_vblank();
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// grab and reset sprite-sprite collision flags
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spr_coll = VIC.spr_coll;
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// then update sprite registers from shadow RAM
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sprite_update(DEFAULT_SCREEN);
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// draw sprites into shadow ram
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move_sprites();
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// and update velocity and position
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update_sprites();
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// if any flags are set in the collision register,
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// process sprite collisions
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collide_sprites(spr_coll);
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}
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void iterategame2(void) {
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byte spr_coll;
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// FIRST FRAME: move and update velocity
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wait_vblank();
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// grab and reset sprite-sprite collision flags
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spr_coll = VIC.spr_coll;
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// then update sprite registers from shadow RAM
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sprite_update(DEFAULT_SCREEN);
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// draw sprites into shadow ram
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// and update posiitons
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move_sprites();
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// and update velocities
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update_sprites();
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// SECOND FRAME: move and process collisions
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wait_vblank();
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// grab and reset sprite-sprite collision flags
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// combine with previous frame flags
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spr_coll |= VIC.spr_coll;
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// then update sprite registers from shadow RAM
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sprite_update(DEFAULT_SCREEN);
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// draw sprites into shadow ram
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// and update posiitons
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move_sprites();
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// if any flags are set in the collision register,
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// process sprite collisions
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collide_sprites(spr_coll);
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}
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void main(void) {
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clrscr();
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VIC.bordercolor = 0;
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// setup sprite library and copy sprite to VIC bank
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sprite_clear();
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sprite_shape((void*)0x400, 32/2, SPRITEMC);
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// set colors
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sprshad.spr_mcolor = 0xff;
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sprshad.spr_mcolor0 = 4;
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sprshad.spr_mcolor1 = 7;
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// set sprite initial positions
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init_sprites();
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// game loop
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while (1) {
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iterategame2();
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}
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}
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@ -4,6 +4,10 @@
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SpriteShadow sprshad;
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void sprite_clear(void) {
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memset(&sprshad, 0, sizeof(sprshad));
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}
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void sprite_update(char* vicbank) {
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memcpy(vicbank + 0x3f8, sprshad.spr_shapes, 8);
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VIC.spr_ena = sprshad.spr_ena;
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@ -38,7 +42,25 @@ void sprite_draw(byte i, word x, byte y, byte shape) {
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sprshad.spr_shapes[i] = shape;
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}
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void sprite_clear(void) {
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sprshad.spr_ena = 0;
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byte sprite_get_closest_collision(byte i, byte spr_coll) {
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byte j;
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byte jmask = 1;
|
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byte dx,dy;
|
||||
if (spr_coll & BITS[i]) {
|
||||
spr_coll ^= BITS[i];
|
||||
for (j=0; j<8; j++, jmask<<=1) {
|
||||
if (spr_coll & jmask) {
|
||||
// TODO?
|
||||
dx = sprshad.spr_pos[i].x - sprshad.spr_pos[j].x + 24;
|
||||
if (dx < 48) {
|
||||
dy = sprshad.spr_pos[i].y - sprshad.spr_pos[j].y + 21;
|
||||
if (dy < 42) {
|
||||
return j;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
return 0xff;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -3,6 +3,8 @@
|
|||
|
||||
#include "common.h"
|
||||
|
||||
#define DEFAULT_SCREEN ((void*)0x400)
|
||||
|
||||
typedef struct {
|
||||
byte spr_ena; /* Enable sprites */
|
||||
byte spr_hi_x; /* High bits of X coordinate */
|
||||
|
|
@ -22,9 +24,10 @@ typedef struct {
|
|||
|
||||
extern SpriteShadow sprshad;
|
||||
|
||||
void sprite_clear(void);
|
||||
void sprite_update(char* screenram);
|
||||
void sprite_shape(char* vicbank, byte index, const char* sprite_data);
|
||||
void sprite_draw(byte i, word x, byte y, byte shape);
|
||||
void sprite_clear(void);
|
||||
byte sprite_get_closest_collision(byte i, byte spr_coll);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -0,0 +1,72 @@
|
|||
|
||||
processor 6502
|
||||
include "basicheader.dasm"
|
||||
|
||||
Src equ $02
|
||||
Dest equ $04
|
||||
|
||||
Start:
|
||||
lda #$38 ; 25 rows, on, bitmap
|
||||
sta $d011 ; VIC control #1
|
||||
lda #$18 ; 40 column, multicolor
|
||||
sta $d016 ; VIC control #2
|
||||
lda #$02
|
||||
sta $dd00 ; set VIC bank ($4000-$7FFF)
|
||||
lda #$80
|
||||
sta $d018 ; set VIC screen to $6000
|
||||
lda XtraData+0
|
||||
sta $d020 ; border
|
||||
sta $d021 ; background
|
||||
lda #0
|
||||
sta Dest
|
||||
; copy char memory
|
||||
lda #<CharData
|
||||
sta Src
|
||||
lda #>CharData
|
||||
sta Src+1
|
||||
lda #$40
|
||||
sta Dest+1
|
||||
ldx #$20
|
||||
jsr CopyMem
|
||||
; copy screen memory
|
||||
lda #<ScreenData
|
||||
sta Src
|
||||
lda #>ScreenData
|
||||
sta Src+1
|
||||
lda #$60
|
||||
sta Dest+1
|
||||
ldx #$04
|
||||
jsr CopyMem
|
||||
; copy color RAM
|
||||
lda #<ColorData
|
||||
sta Src
|
||||
lda #>ColorData
|
||||
sta Src+1
|
||||
lda #$d8
|
||||
sta Dest+1
|
||||
ldx #4
|
||||
jsr CopyMem
|
||||
; infinite loop
|
||||
jmp .
|
||||
|
||||
; copy data from Src to Dest
|
||||
; X = number of bytes * 256
|
||||
CopyMem
|
||||
ldy #0
|
||||
.Loop
|
||||
lda (Src),y
|
||||
sta (Dest),y
|
||||
iny
|
||||
bne .Loop
|
||||
inc Src+1
|
||||
inc Dest+1
|
||||
dex
|
||||
bne .Loop
|
||||
rts
|
||||
|
||||
; bitmap data
|
||||
CharData equ .
|
||||
ScreenData equ CharData+8000
|
||||
ColorData equ ScreenData+1000
|
||||
XtraData equ ColorData+1000
|
||||
incbin "badspacerobots-c64.multi.bin"
|
||||
|
|
@ -122,7 +122,7 @@ export class C64_WASMMachine extends BaseWASMMachine implements Machine, Probeab
|
|||
this.exports.machine_load_state(this.sys, this.stateptr);
|
||||
}
|
||||
getVideoParams() {
|
||||
return {width:392, height:272, overscan:true, videoFrequency:50};
|
||||
return {width:392, height:272, overscan:true, videoFrequency:50, aspect:392/272*0.9365};
|
||||
}
|
||||
setKeyInput(key: number, code: number, flags: number): void {
|
||||
// TODO: handle shifted keys
|
||||
|
|
|
|||
|
|
@ -16,18 +16,23 @@ const C64_PRESETS = [
|
|||
{id:'scroll3.c', name:'Scrolling 3 (C)'},
|
||||
{id:'scroll4.c', name:'Scrolling 4 (C)'},
|
||||
{id:'scroll5.c', name:'Scrolling 5 (C)'},
|
||||
{id:'climber.c', name:'Climber Game (C)'},
|
||||
{id:'sprite_collision.c', name:'Sprite Collision (C)'},
|
||||
{id:'multilines.c', name:'Multicolor Lines+Flood Fill (C)'},
|
||||
{id:'sidtune.dasm', name:'SID Tune (ASM)'},
|
||||
{id:'musicplayer.c', name:'Music Player (C)'},
|
||||
{id:'sidtune.dasm', name:'Tiny SID Tune (ASM)'},
|
||||
{id:'siddemo.c', name:'SID Demo (C)'},
|
||||
{id:'climber.c', name:'Climber Game (C)'},
|
||||
];
|
||||
|
||||
const C64_MEMORY_MAP = { main:[
|
||||
{name:'6510 Registers',start:0x0, size:0x2,type:'io'},
|
||||
{name:'BIOS Reserved', start:0x200, size:0xa7},
|
||||
{name:'Default Screen RAM', start:0x400, size:1024,type:'ram'},
|
||||
//{name:'RAM', start:0x2, size:0x7ffe,type:'ram'},
|
||||
{name:'Cartridge ROM',start:0x8000,size:0x2000,type:'rom'},
|
||||
{name:'BASIC ROM', start:0xa000,size:0x2000,type:'rom'},
|
||||
{name:'RAM', start:0xc000,size:0x1000,type:'ram'},
|
||||
{name:'Upper RAM', start:0xc000,size:0x1000,type:'ram'},
|
||||
{name:'Character ROM',start:0xd000,size:0x1000,type:'rom'},
|
||||
{name:'VIC-II I/O', start:0xd000,size:0x0400,type:'io'},
|
||||
{name:'SID', start:0xd400,size:0x0400,type:'io'},
|
||||
{name:'Color RAM', start:0xd800,size:0x0400,type:'io'},
|
||||
|
|
|
|||
Loading…
Reference in New Issue