mirror of
https://github.com/sehugg/8bitworkshop.git
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c64: .wiz
This commit is contained in:
Steven Hugg
parent
483675fded
commit
fc432a3bbf
127
presets/c64/c64.wiz
Normal file
127
presets/c64/c64.wiz
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@ -0,0 +1,127 @@
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struct CoordXY {
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x : u8,
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y : u8
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}
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struct SIDVoice {
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freq : u16, /* Frequency */
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pw : u16, /* Pulse width */
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ctrl : u16, /* Control register */
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ad : u16, /* Attack/decay */
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sr : u16 /* Sustain/release */
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}
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typealias SpriteData : [u8; 64];
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union VICBank {
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spritedata : [SpriteData; 256],
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data : [u8; 0x4000]
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}
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namespace c64 {
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extern var colorram @ 0xD800 : [u8; 0x400];
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namespace color {
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let BLACK = 0x00;
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let WHITE = 0x01;
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let RED = 0x02;
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let CYAN = 0x03;
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let PURPLE = 0x04;
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let GREEN = 0x05;
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let BLUE = 0x06;
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let YELLOW = 0x07;
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let ORANGE = 0x08;
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let BROWN = 0x09;
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let LIGHTRED = 0x0A;
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let GRAY1 = 0x0B;
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let GRAY2 = 0x0C;
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let LIGHTGREEN = 0x0D;
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let LIGHTBLUE = 0x0E;
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let GRAY3 = 0x0F;
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}
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namespace vic {
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namespace sprite {
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extern var pos @ 0xD000 : [CoordXY; 8];
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extern var coord @ 0xD000 : [u8; 16];
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extern var hi_x @ 0xD010 : u8;
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extern var enable @ 0xD015 : u8;
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extern var expand_y @ 0xD017 : u8;
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extern var priority @ 0xD01B : u8;
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extern var multicolor @ 0xD01C : u8;
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extern var expand_x @ 0xD01D : u8;
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extern var coll @ 0xD01E : u8;
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extern var coll_bg @ 0xD01F : u8;
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extern var mcolor @ 0xD025 : [u8; 2];
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extern var color @ 0xD027 : [u8; 8];
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}
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extern var control1 @ 0xD011 : u8;
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extern var rasterline @ 0xD012 : u8;
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extern var lightpen @ 0xD013 : CoordXY;
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extern var control2 @ 0xD016 : u8;
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extern var mem @ 0xD018 : u8;
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extern var irr @ 0xD019 : u8;
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extern var imr @ 0xD01A : u8;
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extern var bordercolor @ 0xD020 : u8;
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extern var bgcolor @ 0xD021 : [u8; 4];
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}
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namespace sid {
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extern writeonly v1 @ 0xd400 : [SIDVoice; 3];
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extern writeonly flt_freq @ 0xd415 : u16;/* Filter frequency */
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extern writeonly flt_ctrl @ 0xd417 : u8; /* Filter control register */
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extern writeonly amp @ 0xd418 : u8; /* Amplitude */
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extern writeonly ad1 @ 0xd419 : u8; /* A/D converter 1 */
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extern writeonly ad2 @ 0xd41a : u8; /* A/D converter 2 */
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extern writeonly noise @ 0xd41b : u8; /* Noise generator */
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extern const read3 @ 0xd41c : u8; /* Value of voice 3 */
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}
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namespace cia1 {
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// CIA1 Registers
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extern writeonly port_a @ 0xDC00 : u8;
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extern const port_b @ 0xDC01 : u8;
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extern writeonly data_direction_a @ 0xDC02 : u8;
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extern writeonly data_direction_b @ 0xDC03 : u8;
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extern const timer_a_lo @ 0xDC04 : u8;
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extern const timer_a_hi @ 0xDC05 : u8;
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extern const timer_b_lo @ 0xDC06 : u8;
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extern const timer_b_hi @ 0xDC07 : u8;
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extern const sdr @ 0xDC0C : u8;
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extern const icr @ 0xDC0D : u8;
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extern const cra @ 0xDC0E : u8;
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extern const crb @ 0xDC0F : u8;
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}
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namespace cia2 {
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// CIA2 Registers
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extern writeonly port_a @ 0xDD00 : u8;
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extern const port_b @ 0xDD01 : u8;
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extern writeonly data_direction_a @ 0xDD02 : u8;
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extern writeonly data_direction_b @ 0xDD03 : u8;
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extern const timer_a_lo @ 0xDD04 : u8;
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extern const timer_a_hi @ 0xDD05 : u8;
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extern const timer_b_lo @ 0xDD06 : u8;
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extern const timer_b_hi @ 0xDD07 : u8;
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extern const sdr @ 0xDD0C : u8;
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extern const icr @ 0xDD0D : u8;
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extern const cra @ 0xDD0E : u8;
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extern const crb @ 0xDD0F : u8;
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}
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namespace kernal {
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let ioinit = 0xFDA3 as func;
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let rantam = 0xFD50 as func;
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let restor = 0xFD15 as func;
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let cint = 0xFF5B as func;
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let scnkey = 0xEA87 as func;
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let chrin = 0xF157 as func : u8 in a;
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let chrout = 0xF1CA as func(char : u8 in a);
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let screen = 0xE505 as func : u16 in xy;
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let plot_save = 0xE50A as func(save : bool in carry) : u16 in xy;
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let plot_restore = 0xE50A as func(x : u8 in x, y : u8 in y, save : bool in carry);
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}
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}
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181
presets/c64/hello.wiz
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181
presets/c64/hello.wiz
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@ -0,0 +1,181 @@
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import "c64.wiz";
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bank zeropage @ 0x02 : [vardata; 254];
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bank stackpage @ 0x100 : [vardata; 256];
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bank textscrn @ 0x400 : [vardata; 0x400];
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bank ram @ 0x2000 : [vardata; 0x7800];
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bank prghdr @ 0x7ff : [prgdata; 0x2];
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bank prg @ 0x801 : [varinitdata; 0x7000];
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in textscrn {
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var scrn: [u8; 40*25];
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var _unused: [u8; 16];
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var spriteptr: [u8; 8];
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}
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extern var vicbank @ 0x0000 : VICBank;
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// PRG file header
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in prghdr {
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const prgstart : u16 = 0x801;
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}
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// BASIC header
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in prg {
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namespace prgheader {
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const nextline = &BASIC_END;
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const linenum : u16 = 10;
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const sysstmt = "\x9e 2062\0";
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BASIC_END:
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const hdrend : u16 = 0;
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}
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PRG_START:
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/*
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c64.kernal.ioinit();
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c64.kernal.rantam();
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c64.kernal.restor();
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c64.kernal.cint();
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*/
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c64.vic.bordercolor = a = c64.color.ORANGE;
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c64.kernal.chrout('A');
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for x in 0..250 {
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// scrn[x] = a = x;
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// (&scrn[40*8])[x] = a = x;
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// (0x600 as *u8)[x] = a = x;
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(&scrn[40*12])[x] = a = message[x] + 0xc0;
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}
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for x in 0..255 {
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a = message[x];
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break if zero;
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a += 0xc0;
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(&scrn[40*20])[x] = a;
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}
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upandaway();
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return;
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const message = "HELLO WORLD!\0";
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const SPRITE : [u8; 3*21] = [
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/*{w:24,h:21,bpp:1,brev:1}*/
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0x00,0x7F,0x00,0x01,0xFF,0xC0,0x03,0xFF,0xE0,
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0x03,0xE7,0xE0,0x07,0xD9,0xF0,0x07,0xDF,0xF0,
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0x07,0xD9,0xF0,0x03,0xE7,0xE0,0x03,0xFF,0xE0,
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0x03,0xFF,0xE0,0x02,0xFF,0xA0,0x01,0x7F,0x40,
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0x01,0x3E,0x40,0x00,0x9C,0x80,0x00,0x9C,0x80,
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0x00,0x49,0x00,0x00,0x49,0x00,0x00,0x3E,0x00,
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0x00,0x3E,0x00,0x00,0x3E,0x00,0x00,0x1C,0x00
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];
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const yValues : [u8] = [
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32, 35, 38, 41, 44, 47, 49, 52,
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54, 56, 58, 60, 61, 62, 63, 63,
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64, 63, 63, 62, 61, 60, 58, 56,
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54, 52, 49, 47, 44, 41, 38, 35,
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32, 28, 25, 22, 19, 16, 14, 11,
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9, 7, 5, 3, 2, 1, 0, 0,
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0, 0, 0, 1, 2, 3, 5, 7,
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9, 11, 14, 16, 19, 22, 25, 28
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];
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const pwr2 : [u8] = [
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0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
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];
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in zeropage {
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var b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15 : u8;
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var w0 @ &b0, w2 @ &b2, w4 @ &b4, w6 @ &b6, w8 @ &b8, w10 @ &b10 : u16;
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var ptr0 @ &b0, ptr2 @ &b2, ptr4 @ &b4, ptr6 @ &b6, ptr8 @ &b8, ptr10 @ &b10 : *u8;
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}
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inline func rasterWait(line : u8 in a) {
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while (c64.vic.rasterline < line) { }
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}
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func upandaway() {
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//unsigned char n, t;
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//int rx, x;
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//char sx, msb;
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var xp : u16 in w0;
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var rx : u16 in w2;
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var msb : u8 in b4;
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let sprdata = &vicbank.spritedata[13] as *u8;
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c64.vic.bgcolor[0] = a = 3;
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nointerrupt = true; // clear interrupts to avoid glitching
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for y in 0..(sizeof(typeof(SPRITE)) - 1) {
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sprdata[y] = a = SPRITE[y];
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//POKE(832 + n, sprite[n]);
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}
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c64.vic.sprite.enable = a = 255;
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for x in 0..7 {
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spriteptr[x] = a = 13;
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y = a = x<<1;
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c64.vic.sprite.coord[y] = a = 50;
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y ++;
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c64.vic.sprite.coord[y] = a = 50;
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//POKE(2040 + t, 13); // Set sprite x data from 13th block for all sprites
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}
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do {
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<:xp = a = 0;
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>:xp = a = 0;
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//while (xp < 550) {
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while (true) {
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<:xp = a = <:xp + 1;
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>:xp = a = >:xp +# 0;
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msb = a = 0; // MSB of X coordinates
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// Wait until raster hits position 250 before drawing upper sprites
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rasterWait(250);
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// Set border color, which indicates the raster position
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c64.vic.bordercolor = a = 1;
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<:rx = a = <:xp;
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>:rx = a = >:xp;
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for x in 0..7 {
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<:rx = a = <:rx - 24;
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>:rx = a = >:rx -# 0;
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//if (rx >= 0 && rx < 366)
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if (true) {
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// if (rx > 255)
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a = >:rx;
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if (!zero) {
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// Set MSB of x coordinate for sprite if x position > 255
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a = msb;
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a |= pwr2[x];
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msb = a;
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}
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y = a = x<<1;
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c64.vic.sprite.coord[y] = a = <:rx;
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// Y position is an indirect Sinus function of X, using array
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// index for retrieving the Y value
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y = a = <:rx & 63;
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a = yValues[y] + 40;
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push(a);
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y = a = (x<<1) + 1;
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a = pop();
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c64.vic.sprite.coord[y] = a;
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} else {
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c64.vic.sprite.pos[y].x = 0;
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}
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}
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c64.vic.sprite.hi_x = a = msb; // Set MSB of x coordinate
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// Wait until raster hits position 135 before drawing lower sprites
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rasterWait(135);
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c64.vic.bordercolor = a = 2; // Set border color
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for x in 0..7 {
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// Add 128 to current sprite Y position
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y = a = (x<<1) + 1;
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c64.vic.sprite.coord[y] = a = c64.vic.sprite.coord[y]+128;
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}
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cmp(a = >:xp, >:550);
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if (zero) {
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cmp(a = <:xp, <:550);
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break if zero;
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}
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}
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} while (true);
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return;
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}
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}
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@ -1,7 +1,10 @@
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// ported from
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// https://odensskjegg.home.blog/2018/12/29/recreating-the-commodore-64-user-guide-code-samples-in-cc65-part-three-sprites/
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#include "common.h"
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//#include "common.h"
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#include <peekpoke.h>
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#include <c64.h>
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/*{w:24,h:21,bpp:1,brev:1}*/
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const char sprite[3*21] = {
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@ -15,7 +18,7 @@ const char sprite[3*21] = {
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};
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// Pre-calculated sinus values
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const char yValues[] = {
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const char yValues[64] = {
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32, 35, 38, 41, 44, 47, 49, 52,
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54, 56, 58, 60, 61, 62, 63, 63,
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64, 63, 63, 62, 61, 60, 58, 56,
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@ -31,58 +34,66 @@ void rasterWait(unsigned char line) {
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while (VIC.rasterline < line) ;
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}
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const char LUT[8] = { 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80 };
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int main (void)
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{
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unsigned char n, t;
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int rx, x;
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char sx, msb;
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unsigned char msb;
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VIC.bgcolor0 = 3;
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VIC.bgcolor0 = COLOR_CYAN; // set background color
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__asm__("SEI"); // clear interrupts to avoid glitching
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// Set 13th sprite bitmap
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for (n = 0 ; n < sizeof(sprite) ; n++) {
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POKE(832 + n, sprite[n]);
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}
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// enable all sprites
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VIC.spr_ena = 255;
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// Set all sprite pointers to 13th sprite
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for (t = 0 ; t < 8 ; t++) {
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POKE(2040 + t, 13); // Set sprite x data from 13th block for all sprites
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POKE(2040 + t, 13);
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}
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do {
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// loop forever
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while(1) {
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for (x = 0 ; x < 550; x++) {
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msb = 0; // MSB of X coordinates
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// MSB of each sprite's X coordinate (i.e. if X >= 256)
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msb = 0;
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// Wait until raster hits position 250 before drawing upper sprites
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rasterWait(250);
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// Set border color, which indicates the raster position
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VIC.bordercolor = 1;
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VIC.bordercolor = COLOR_RED;
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rx = x;
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// iterate over all 8 sprites
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for (t = 0 ; t < 8 ; t++) {
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VIC.bordercolor = t;
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rx -= 24;
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if (rx >= 0 && rx < 366) {
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// Usually I would calculate the sprite X coordinate using
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// the expression sx = rx % 256, but bitwise operation is
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// significant faster
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sx = rx & 255;
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if (rx > 255) {
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// Set MSB of x coordinate for sprite if x position > 255
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msb |= 1 << t;
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// Set MSB of x coordinate for sprite if x position > 255
|
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if (x >= 256) {
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msb |= LUT[t]; // look up 1 << t
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}
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VIC.spr_pos[t].x = sx;
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VIC.spr_pos[t].x = x;
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// Y position is an indirect Sinus function of X, using array
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// index for retrieving the Y value
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VIC.spr_pos[t].y = yValues[sx & 63] + 40;
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VIC.spr_pos[t].y = yValues[x & 63] + 40;
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} else {
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VIC.spr_pos[t].x = 0;
|
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}
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}
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VIC.spr_hi_x = msb; // Set MSB of x coordinate
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// Set MSB of x coordinate
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VIC.spr_hi_x = msb;
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// Wait until raster hits position 135 before drawing lower sprites
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VIC.bordercolor = COLOR_BLUE;
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rasterWait(135);
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VIC.bordercolor = 2; // Set border color
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VIC.bordercolor = COLOR_RED;
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// Add 128 to current sprite Y positions
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for (t = 0 ; t < 8 ; t++) {
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// Add 128 to current sprite Y position
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VIC.spr_pos[t].y += 128;
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}
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}
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} while (1);
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return EXIT_SUCCESS;
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}
|
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return 0;
|
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}
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||||
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||||
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@ -13,4 +13,4 @@ class MyHTTPRequestHandler(http.server.SimpleHTTPRequestHandler):
|
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if __name__ == '__main__':
|
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http.server.test(HandlerClass=MyHTTPRequestHandler)
|
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http.server.test(HandlerClass=MyHTTPRequestHandler, port=8000)
|
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@ -28,6 +28,7 @@ const C64_PRESETS = [
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//{id:'sidtune.dasm', name:'Tiny SID Tune (ASM)'},
|
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{id:'siddemo.c', name:'SID Player Demo'},
|
||||
{id:'climber.c', name:'Climber Game'},
|
||||
{id:'hello.wiz', name:'Hello Wiz (Wiz)'},
|
||||
];
|
||||
|
||||
const C64_MEMORY_MAP = { main:[
|
||||
|
||||
Loading…
Reference in New Issue
Block a user