703 lines
35 KiB
Zig
703 lines
35 KiB
Zig
const std = @import("std");
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pub fn main() !void {
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// var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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// defer _ = gpa.deinit();
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// const allocator = gpa.allocator();
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const mem: [0xFFFF]u8 = undefined;
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const ws: [0xFF]u8 = undefined;
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const rs: [0xFF]u8 = undefined;
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var uxn = Uxn{
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.mem = .{ .m = mem },
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.ws = .{ .s = ws },
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.rs = .{ .s = rs },
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.pc = 0x100,
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};
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while (true) uxn.loop();
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}
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pub const Uxn = struct {
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mem: Memory,
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ws: Stack,
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rs: Stack,
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pc: u16,
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const Memory = struct {
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m: [0xFFFF]u8,
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pub fn peek(self: *Memory, comptime T: type, idx: u16) T {
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return switch (T) {
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u8 => self.m[idx],
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u16 => self.m[idx],
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else => unreachable,
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};
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}
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pub fn poke(self: *Memory, comptime T: type, idx: u16, val: T) void {
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switch (T) {
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u8 => self.m[idx] = val,
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u16 => {},
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else => unreachable,
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}
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}
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};
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const Stack = struct {
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s: [0xFF]u8,
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sp: u8 = 0,
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pub fn peek(self: *Stack, comptime T: type) T {
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return switch (T) {
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u8 => self.s[self.sp],
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u16 => @intCast(self.s[self.sp]), // but actually do the conversion
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else => unreachable,
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};
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}
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pub fn poke(self: *Stack, comptime T: type, v: T) void {
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switch (T) {
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u8 => self.s[self.sp] = v,
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u16 => {},
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else => unreachable,
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}
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}
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pub fn pop(self: *Stack, comptime T: type) T {
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switch (T) {
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u8 => {
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self.sp -%= 1;
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return self.s[self.sp +% 1];
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},
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u16 => {
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self.sp -%= 2;
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return self.s[self.sp +% 1];
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},
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else => unreachable,
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}
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}
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pub fn push(self: *Stack, comptime T: type, v: T) void {
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switch (T) {
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u8 => {
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self.sp +%= 1;
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self.s[self.sp] = v;
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},
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u16 => {
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self.sp +%= 2;
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self.s[self.sp] = @truncate(v);
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},
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else => unreachable,
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}
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}
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};
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pub fn loop(self: *Uxn) void {
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switch (self.mem.m[self.pc]) {
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0x00 => {}, // BRK
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0x01 => inc(&self.ws, u8, false), // INC
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0x02 => pop(&self.ws, u8, false), // POP
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0x03 => nip(&self.ws, u8, false), // NIP
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0x04 => swp(&self.ws, u8, false), // SWP
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0x05 => rot(&self.ws, u8, false), // ROT
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0x06 => dup(&self.ws, u8, false), // DUP
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0x07 => ovr(&self.ws, u8, false), // OVR
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0x08 => equ(&self.ws, u8, false), // EQU
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0x09 => neq(&self.ws, u8, false), // NEQ
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0x0A => gth(&self.ws, u8, false), // GTH
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0x0B => lth(&self.ws, u8, false), // LTH
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0x0C => self.jmp(&self.ws, u8, false), // JMP
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0x0D => self.jcn(&self.ws, u8, false), // JCN
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0x0E => self.jsr(&self.ws, u8, false), // JSR
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0x0F => self.sth(false, u8, false), // STH
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0x10 => self.ldz(&self.ws, u8, false), // LDZ
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0x11 => self.stz(&self.ws, u8, false), // STZ
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0x12 => self.ldr(&self.ws, u8, false), // LDR
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0x13 => self.str(&self.ws, u8, false), // STR
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0x14 => self.lda(&self.ws, u8, false), // LDA
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0x15 => self.sta(&self.ws, u8, false), // STA
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0x16 => dei(&self.ws, u8, false), // DEI
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0x17 => deo(&self.ws, u8, false), // DEO
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0x18 => add(&self.ws, u8, false), // ADD
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0x19 => sub(&self.ws, u8, false), // SUB
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0x1A => mul(&self.ws, u8, false), // MUL
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0x1B => div(&self.ws, u8, false), // DIV
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0x1C => @"and"(&self.ws, u8, false), // AND
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0x1D => ora(&self.ws, u8, false), // ORA
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0x1E => eor(&self.ws, u8, false), // EOR
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0x1F => sft(&self.ws, u8, false), // SFT
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0x20 => {}, // JCI
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0x21 => inc(&self.ws, u16, false), // INC2
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0x22 => pop(&self.ws, u16, false), // POP2
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0x23 => nip(&self.ws, u16, false), // NIP2
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0x24 => swp(&self.ws, u16, false), // SWP2
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0x25 => rot(&self.ws, u16, false), // ROT2
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0x26 => dup(&self.ws, u16, false), // DUP2
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0x27 => ovr(&self.ws, u16, false), // OVR2
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0x28 => equ(&self.ws, u16, false), // EQU2
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0x29 => neq(&self.ws, u16, false), // NEQ2
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0x2A => gth(&self.ws, u16, false), // GTH2
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0x2B => lth(&self.ws, u16, false), // LTH2
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0x2C => self.jmp(&self.ws, u16, false), // JMP2
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0x2D => self.jcn(&self.ws, u16, false), // JCN2
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0x2E => self.jsr(&self.ws, u16, false), // JSR2
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0x2F => self.sth(false, u16, false), // STH2
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0x30 => self.ldz(&self.ws, u16, false), // LDZ2
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0x31 => self.stz(&self.ws, u16, false), // STZ2
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0x32 => self.ldr(&self.ws, u16, false), // LDR2
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0x33 => self.str(&self.ws, u16, false), // STR2
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0x34 => self.lda(&self.ws, u16, false), // LDA2
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0x35 => self.sta(&self.ws, u16, false), // STA2
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0x36 => dei(&self.ws, u16, false), // DEI2
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0x37 => deo(&self.ws, u16, false), // DEO2
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0x38 => add(&self.ws, u16, false), // ADD2
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0x39 => sub(&self.ws, u16, false), // SUB2
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0x3A => mul(&self.ws, u16, false), // MUL2
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0x3B => div(&self.ws, u16, false), // DIV2
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0x3C => @"and"(&self.ws, u16, false), // AND2
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0x3D => ora(&self.ws, u16, false), // ORA2
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0x3E => eor(&self.ws, u16, false), // EOR2
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0x3F => sft(&self.ws, u16, false), // SFT2
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0x40 => {}, // JMI
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0x41 => inc(&self.rs, u8, false), // INCr
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0x42 => pop(&self.rs, u8, false), // POPr
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0x43 => nip(&self.rs, u8, false), // NIPr
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0x44 => swp(&self.rs, u8, false), // SWPr
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0x45 => rot(&self.rs, u8, false), // ROTr
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0x46 => dup(&self.rs, u8, false), // DUPr
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0x47 => ovr(&self.rs, u8, false), // OVRr
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0x48 => equ(&self.rs, u8, false), // EQUr
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0x49 => neq(&self.rs, u8, false), // NEQr
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0x4A => gth(&self.rs, u8, false), // GTHr
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0x4B => lth(&self.rs, u8, false), // LTHr
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0x4C => self.jmp(&self.rs, u8, false), // JMPr
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0x4D => self.jcn(&self.rs, u8, false), // JCNr
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0x4E => self.jsr(&self.rs, u8, false), // JSRr
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0x4F => self.sth(true, u8, false), // STHr
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0x50 => self.ldz(&self.rs, u8, false), // LDZr
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0x51 => self.stz(&self.rs, u8, false), // STZr
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0x52 => self.ldr(&self.rs, u8, false), // LDRr
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0x53 => self.str(&self.rs, u8, false), // STRr
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0x54 => self.lda(&self.rs, u8, false), // LDAr
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0x55 => self.sta(&self.rs, u8, false), // STAr
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0x56 => dei(&self.rs, u8, false), // DEIr
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0x57 => deo(&self.rs, u8, false), // DEOr
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0x58 => add(&self.rs, u8, false), // ADDr
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0x59 => sub(&self.rs, u8, false), // SUBr
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0x5A => mul(&self.rs, u8, false), // MULr
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0x5B => div(&self.rs, u8, false), // DIVr
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0x5C => @"and"(&self.rs, u8, false), // ANDr
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0x5D => ora(&self.rs, u8, false), // ORAr
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0x5E => eor(&self.rs, u8, false), // EORr
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0x5F => sft(&self.rs, u8, false), // SFTr
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0x60 => {}, // JSI
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0x61 => inc(&self.rs, u16, false), // INC2r
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0x62 => pop(&self.rs, u16, false), // POP2r
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0x63 => nip(&self.rs, u16, false), // NIP2r
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0x64 => swp(&self.rs, u16, false), // SWP2r
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0x65 => rot(&self.rs, u16, false), // ROT2r
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0x66 => dup(&self.rs, u16, false), // DUP2r
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0x67 => ovr(&self.rs, u16, false), // OVR2r
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0x68 => equ(&self.rs, u16, false), // EQU2r
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0x69 => neq(&self.rs, u16, false), // NEQ2r
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0x6A => gth(&self.rs, u16, false), // GTH2r
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0x6B => lth(&self.rs, u16, false), // LTH2r
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0x6C => self.jmp(&self.rs, u16, false), // JMP2r
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0x6D => self.jcn(&self.rs, u16, false), // JCN2r
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0x6E => self.jsr(&self.rs, u16, false), // JSR2r
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0x6F => self.sth(true, u16, false), // STH2r
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0x70 => self.ldz(&self.rs, u16, false), // LDZ2r
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0x71 => self.stz(&self.rs, u16, false), // STZ2r
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0x72 => self.ldr(&self.rs, u16, false), // LDR2r
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0x73 => self.str(&self.rs, u16, false), // STR2r
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0x74 => self.lda(&self.rs, u16, false), // LDA2r
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0x75 => self.sta(&self.rs, u16, false), // STA2r
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0x76 => dei(&self.rs, u16, false), // DEI2r
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0x77 => deo(&self.rs, u16, false), // DEO2r
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0x78 => add(&self.rs, u16, false), // ADD2r
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0x79 => sub(&self.rs, u16, false), // SUB2r
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0x7A => mul(&self.rs, u16, false), // MUL2r
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0x7B => div(&self.rs, u16, false), // DIV2r
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0x7C => @"and"(&self.rs, u16, false), // AND2r
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0x7D => ora(&self.rs, u16, false), // ORA2r
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0x7E => eor(&self.rs, u16, false), // EOR2r
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0x7F => sft(&self.rs, u16, false), // SFT2r
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0x80 => {}, // LIT
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0x81 => inc(&self.ws, u8, true), // INCk
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0x82 => pop(&self.ws, u8, true), // POPk
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0x83 => nip(&self.ws, u8, true), // NIPk
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0x84 => swp(&self.ws, u8, true), // SWPk
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0x85 => rot(&self.ws, u8, true), // ROTk
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0x86 => dup(&self.ws, u8, true), // DUPk
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0x87 => ovr(&self.ws, u8, true), // OVRk
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0x88 => equ(&self.ws, u8, true), // EQUk
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0x89 => neq(&self.ws, u8, true), // NEQk
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0x8A => gth(&self.ws, u8, true), // GTHk
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0x8B => lth(&self.ws, u8, true), // LTHk
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0x8C => self.jmp(&self.ws, u8, true), // JMPk
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0x8D => self.jcn(&self.ws, u8, true), // JCNk
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0x8E => self.jsr(&self.ws, u8, true), // JSRk
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0x8F => self.sth(false, u8, true), // STHk
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0x90 => self.ldz(&self.ws, u8, true), // LDZk
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0x91 => self.stz(&self.ws, u8, true), // STZk
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0x92 => self.ldr(&self.ws, u8, true), // LDRk
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0x93 => self.str(&self.ws, u8, true), // STRk
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0x94 => self.lda(&self.ws, u8, true), // LDAk
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0x95 => self.sta(&self.ws, u8, true), // STAk
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0x96 => dei(&self.ws, u8, true), // DEIk
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0x97 => deo(&self.ws, u8, true), // DEOk
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0x98 => add(&self.ws, u8, true), // ADDk
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0x99 => sub(&self.ws, u8, true), // SUBk
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0x9A => mul(&self.ws, u8, true), // MULk
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0x9B => div(&self.ws, u8, true), // DIVk
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0x9C => @"and"(&self.ws, u8, true), // ANDk
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0x9D => ora(&self.ws, u8, true), // ORAk
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0x9E => eor(&self.ws, u8, true), // EORk
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0x9F => sft(&self.ws, u8, true), // SFTk
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0xA0 => {}, // LIT2
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0xA1 => inc(&self.ws, u16, true), // INC2k
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0xA2 => pop(&self.ws, u16, true), // POP2k
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0xA3 => nip(&self.ws, u16, true), // NIP2k
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0xA4 => swp(&self.ws, u16, true), // SWP2k
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0xA5 => rot(&self.ws, u16, true), // ROT2k
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0xA6 => dup(&self.ws, u16, true), // DUP2k
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0xA7 => ovr(&self.ws, u16, true), // OVR2k
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0xA8 => equ(&self.ws, u16, true), // EQU2k
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0xA9 => neq(&self.ws, u16, true), // NEQ2k
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0xAA => gth(&self.ws, u16, true), // GTH2k
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0xAB => lth(&self.ws, u16, true), // LTH2k
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0xAC => self.jmp(&self.ws, u16, true), // JMP2k
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0xAD => self.jcn(&self.ws, u16, true), // JCN2k
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0xAE => self.jsr(&self.ws, u16, true), // JSR2k
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0xAF => self.sth(false, u16, true), // STH2k
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0xB0 => self.ldz(&self.ws, u16, true), // LDZ2k
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0xB1 => self.stz(&self.ws, u16, true), // STZ2k
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0xB2 => self.ldr(&self.ws, u16, true), // LDR2k
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0xB3 => self.str(&self.ws, u16, true), // STR2k
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0xB4 => self.lda(&self.ws, u16, true), // LDA2k
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0xB5 => self.sta(&self.ws, u16, true), // STA2k
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0xB6 => dei(&self.ws, u16, true), // DEI2k
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0xB7 => deo(&self.ws, u16, true), // DEO2k
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0xB8 => add(&self.ws, u16, true), // ADD2k
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0xB9 => sub(&self.ws, u16, true), // SUB2k
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0xBA => mul(&self.ws, u16, true), // MUL2k
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0xBB => div(&self.ws, u16, true), // DIV2k
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0xBC => @"and"(&self.ws, u16, true), // AND2k
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0xBD => ora(&self.ws, u16, true), // ORA2k
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0xBE => eor(&self.ws, u16, true), // EOR2k
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0xBF => sft(&self.ws, u16, true), // SFT2k
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0xC0 => {}, // LITr
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0xC1 => inc(&self.rs, u8, true), // INCkr
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0xC2 => pop(&self.rs, u8, true), // POPkr
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0xC3 => nip(&self.rs, u8, true), // NIPkr
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0xC4 => swp(&self.rs, u8, true), // SWPkr
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0xC5 => rot(&self.rs, u8, true), // ROTkr
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0xC6 => dup(&self.rs, u8, true), // DUPkr
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0xC7 => ovr(&self.rs, u8, true), // OVRkr
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0xC8 => equ(&self.rs, u8, true), // EQUkr
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0xC9 => neq(&self.rs, u8, true), // NEQkr
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0xCA => gth(&self.rs, u8, true), // GTHkr
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0xCB => lth(&self.rs, u8, true), // LTHkr
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0xCC => self.jmp(&self.rs, u8, true), // JMPkr
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0xCD => self.jcn(&self.rs, u8, true), // JCNkr
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0xCE => self.jsr(&self.rs, u8, true), // JSRkr
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0xCF => self.sth(true, u8, true), // STHkr
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0xD0 => self.ldz(&self.rs, u8, true), // LDZkr
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0xD1 => self.stz(&self.rs, u8, true), // STZkr
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0xD2 => self.ldr(&self.rs, u8, true), // LDRkr
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0xD3 => self.str(&self.rs, u8, true), // STRkr
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0xD4 => self.lda(&self.rs, u8, true), // LDAkr
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0xD5 => self.sta(&self.rs, u8, true), // STAkr
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0xD6 => dei(&self.rs, u8, true), // DEIkr
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0xD7 => deo(&self.rs, u8, true), // DEOkr
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0xD8 => add(&self.rs, u8, true), // ADDkr
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0xD9 => sub(&self.rs, u8, true), // SUBkr
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0xDA => mul(&self.rs, u8, true), // MULkr
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0xDB => div(&self.rs, u8, true), // DIVkr
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0xDC => @"and"(&self.rs, u8, true), // ANDkr
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0xDD => ora(&self.rs, u8, true), // ORAkr
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0xDE => eor(&self.rs, u8, true), // EORkr
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0xDF => sft(&self.rs, u8, true), // SFTkr
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0xE0 => {}, // LIT2r
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0xE1 => inc(&self.rs, u16, true), // INC2kr
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0xE2 => pop(&self.rs, u16, true), // POP2kr
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0xE3 => nip(&self.rs, u16, true), // NIP2kr
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0xE4 => swp(&self.rs, u16, true), // SWP2kr
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0xE5 => rot(&self.rs, u16, true), // ROT2kr
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0xE6 => dup(&self.rs, u16, true), // DUP2kr
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0xE7 => ovr(&self.rs, u16, true), // OVR2kr
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0xE8 => equ(&self.rs, u16, true), // EQU2kr
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0xE9 => neq(&self.rs, u16, true), // NEQ2kr
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0xEA => gth(&self.rs, u16, true), // GTH2kr
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0xEB => lth(&self.rs, u16, true), // LTH2kr
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0xEC => self.jmp(&self.rs, u16, true), // JMP2kr
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0xED => self.jcn(&self.rs, u16, true), // JCN2kr
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0xEE => self.jsr(&self.rs, u16, true), // JSR2kr
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0xEF => self.sth(true, u16, true), // STH2kr
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0xF0 => self.ldz(&self.rs, u16, true), // LDZ2kr
|
|
0xF1 => self.stz(&self.rs, u16, true), // STZ2kr
|
|
0xF2 => self.ldr(&self.rs, u16, true), // LDR2kr
|
|
0xF3 => self.str(&self.rs, u16, true), // STR2kr
|
|
0xF4 => self.lda(&self.rs, u16, true), // LDA2kr
|
|
0xF5 => self.sta(&self.rs, u16, true), // STA2kr
|
|
0xF6 => dei(&self.rs, u16, true), // DEI2kr
|
|
0xF7 => deo(&self.rs, u16, true), // DEO2kr
|
|
0xF8 => add(&self.rs, u16, true), // ADD2kr
|
|
0xF9 => sub(&self.rs, u16, true), // SUB2kr
|
|
0xFA => mul(&self.rs, u16, true), // MUL2kr
|
|
0xFB => div(&self.rs, u16, true), // DIV2kr
|
|
0xFC => @"and"(&self.rs, u16, true), // AND2kr
|
|
0xFD => ora(&self.rs, u16, true), // ORA2kr
|
|
0xFE => eor(&self.rs, u16, true), // EOR2kr
|
|
0xFF => sft(&self.rs, u16, true), // SFT2kr
|
|
}
|
|
}
|
|
|
|
fn brk() void {}
|
|
|
|
fn inc(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a +% 1);
|
|
}
|
|
|
|
fn pop(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
if (keep) return;
|
|
_ = stack.pop(T);
|
|
}
|
|
|
|
fn nip(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
_ = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, b);
|
|
}
|
|
|
|
fn swp(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, b);
|
|
stack.push(T, a);
|
|
}
|
|
|
|
fn rot(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
const c = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, b);
|
|
stack.push(T, c);
|
|
stack.push(T, a);
|
|
}
|
|
|
|
fn dup(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a);
|
|
}
|
|
|
|
fn ovr(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a);
|
|
stack.push(T, b);
|
|
stack.push(T, a);
|
|
}
|
|
|
|
fn equ(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
if (a == b) stack.push(T, 1) else stack.push(T, 0);
|
|
}
|
|
|
|
fn neq(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
if (a != b) stack.push(T, 1) else stack.push(T, 0);
|
|
}
|
|
|
|
fn gth(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
if (a > b) stack.push(T, 1) else stack.push(T, 0);
|
|
}
|
|
|
|
fn lth(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
if (a < b) stack.push(T, 1) else stack.push(T, 0);
|
|
}
|
|
|
|
fn jmp(self: *Uxn, stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const addr = if (keep) stack.peek(T) else stack.pop(T);
|
|
switch (T) {
|
|
u8 => self.pc = @intCast(@as(i32, @intCast(self.pc)) + @as(i8, @bitCast(addr))),
|
|
u16 => self.pc = addr,
|
|
else => unreachable,
|
|
}
|
|
}
|
|
|
|
fn jcn(self: *Uxn, stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const cond = if (keep) stack.peek(T) else stack.pop(T);
|
|
const addr = if (keep) stack.peek(T) else stack.pop(T);
|
|
if (cond == 0) return;
|
|
switch (T) {
|
|
u8 => self.pc = @intCast(@as(i32, @intCast(self.pc)) + @as(i8, @bitCast(addr))),
|
|
u16 => self.pc = addr,
|
|
else => unreachable,
|
|
}
|
|
}
|
|
|
|
fn jsr(self: *Uxn, stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
self.rs.push(u16, self.pc);
|
|
const addr = if (keep) stack.peek(T) else stack.pop(T);
|
|
switch (T) {
|
|
u8 => self.pc = @intCast(@as(i32, @intCast(self.pc)) + @as(i8, @bitCast(addr))),
|
|
u16 => self.pc = addr,
|
|
else => unreachable,
|
|
}
|
|
}
|
|
|
|
fn sth(self: *Uxn, comptime swap: bool, comptime T: type, comptime keep: bool) void {
|
|
var src = if (swap) self.rs else self.ws;
|
|
var dst = if (swap) self.ws else self.rs;
|
|
const a = if (keep) src.peek(T) else src.pop(T);
|
|
dst.push(T, a);
|
|
}
|
|
|
|
fn ldz(self: *Uxn, stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const addr = if (keep) stack.peek(u8) else stack.pop(u8);
|
|
stack.push(T, self.mem.peek(T, addr));
|
|
// switch (T) {
|
|
// u8 => stack.push(T, self.mem[addr]),
|
|
// u16 => {},
|
|
// else => unreachable,
|
|
// }
|
|
}
|
|
|
|
fn stz(self: *Uxn, stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const addr = if (keep) stack.peek(u8) else stack.pop(u8);
|
|
const val = if (keep) stack.peek(T) else stack.pop(T);
|
|
self.mem.poke(T, addr, val);
|
|
}
|
|
|
|
fn ldr(self: *Uxn, stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const addr = if (keep) stack.peek(u8) else stack.pop(u8);
|
|
const val = self.mem.peek(T, @intCast(@as(i32, @intCast(self.pc)) + @as(i8, @intCast(addr))));
|
|
stack.push(T, val);
|
|
}
|
|
|
|
fn str(self: *Uxn, stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const addr = if (keep) stack.peek(u8) else stack.pop(u8);
|
|
const val = if (keep) stack.peek(T) else stack.pop(T);
|
|
self.mem.poke(T, @intCast(@as(i32, @intCast(self.pc)) + @as(i8, @bitCast(addr))), val);
|
|
}
|
|
|
|
fn lda(self: *Uxn, stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const addr = if (keep) stack.peek(u16) else stack.pop(u16);
|
|
stack.push(T, self.mem.peek(T, addr));
|
|
}
|
|
|
|
fn sta(self: *Uxn, stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const addr = if (keep) stack.peek(u16) else stack.pop(u16);
|
|
const val = if (keep) stack.peek(T) else stack.pop(T);
|
|
self.mem.poke(T, addr, val);
|
|
}
|
|
|
|
fn dei(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
_ = stack;
|
|
_ = T;
|
|
_ = keep;
|
|
}
|
|
|
|
fn deo(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
_ = stack;
|
|
_ = T;
|
|
_ = keep;
|
|
}
|
|
|
|
fn add(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a +% b);
|
|
}
|
|
|
|
fn sub(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a -% b);
|
|
}
|
|
|
|
fn mul(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a *% b);
|
|
}
|
|
|
|
fn div(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a / b);
|
|
}
|
|
|
|
fn @"and"(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a & b);
|
|
}
|
|
|
|
fn ora(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a | b);
|
|
}
|
|
|
|
fn eor(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
stack.push(T, a ^ b);
|
|
}
|
|
|
|
fn sft(stack: *Stack, comptime T: type, comptime keep: bool) void {
|
|
const a = if (keep) stack.peek(T) else stack.pop(T);
|
|
const b = if (keep) stack.peek(T) else stack.pop(T);
|
|
switch (T) {
|
|
u8 => {
|
|
const right: u3 = @truncate(b & 0b00001111);
|
|
const left: u3 = @truncate((b & 0b11110000) >> 4);
|
|
stack.push(T, (a >> right) << left);
|
|
},
|
|
u16 => {
|
|
const right: u4 = @truncate(b & 0b0000000011111111);
|
|
const left: u4 = @truncate((b & 0b1111111100000000) >> 8);
|
|
stack.push(T, (a >> right) << left);
|
|
},
|
|
else => unreachable,
|
|
}
|
|
}
|
|
};
|
|
|
|
test "uxnasm" {
|
|
const rom = [_]u8{
|
|
0xa0, 0x01, 0x07, 0x80, 0x10, 0x37, 0x00, 0x80, 0x12, 0x16, 0x06, 0x20, 0x00, 0x05, 0x02, 0x60,
|
|
0x00, 0x65, 0x00, 0x60, 0x00, 0x01, 0x00, 0x80, 0x20, 0x8a, 0x0c, 0x04, 0x02, 0x80, 0x20, 0x07,
|
|
0x80, 0xfb, 0x13, 0x26, 0xa0, 0x20, 0x20, 0x28, 0x20, 0x00, 0x42, 0x80, 0x20, 0x09, 0x20, 0x00,
|
|
0x1c, 0x06, 0x80, 0x5b, 0x08, 0x20, 0x00, 0x1a, 0x06, 0x80, 0x5d, 0x08, 0x20, 0x00, 0x13, 0x06,
|
|
0x80, 0x28, 0x08, 0x20, 0x00, 0x29, 0x06, 0x80, 0x29, 0x08, 0x20, 0x00, 0x22, 0x80, 0x01, 0x20,
|
|
0x00, 0x02, 0x02, 0x6c, 0x80, 0x20, 0x07, 0x80, 0xfb, 0x13, 0x26, 0xa0, 0x20, 0x20, 0x28, 0x20,
|
|
0x00, 0x0b, 0x02, 0x80, 0x00, 0xa0, 0x08, 0x6b, 0xb5, 0x21, 0x80, 0xf9, 0x33, 0x22, 0x6c, 0x80,
|
|
0x28, 0x19, 0xa0, 0x01, 0x4e, 0x15, 0x6c, 0xa0, 0x01, 0x66, 0x34, 0x21, 0x26, 0xa0, 0x04, 0x1a,
|
|
0x35, 0xa0, 0x04, 0x51, 0x35, 0xa0, 0x08, 0x6b, 0x60, 0x04, 0x6d, 0x80, 0x01, 0x60, 0x00, 0x91,
|
|
0x20, 0x00, 0x85, 0x80, 0x00, 0x60, 0x00, 0x89, 0x20, 0x00, 0x7d, 0xa0, 0x80, 0x00, 0x80, 0x62,
|
|
0x30, 0x21, 0x38, 0xa0, 0x81, 0x00, 0x94, 0x80, 0x18, 0x17, 0x21, 0xa9, 0x20, 0xff, 0xf7, 0x22,
|
|
0x22, 0xa0, 0x04, 0x1a, 0x34, 0xa0, 0x04, 0x51, 0x34, 0xa1, 0x21, 0x14, 0x20, 0x00, 0x26, 0xa0,
|
|
0x00, 0x03, 0x38, 0x94, 0x80, 0x41, 0x19, 0x80, 0x1a, 0x0b, 0x20, 0x00, 0x18, 0x26, 0xa0, 0x06,
|
|
0x5e, 0x60, 0x03, 0xd1, 0x20, 0x00, 0x0e, 0xa0, 0x06, 0x52, 0x60, 0x04, 0x3d, 0x26, 0x60, 0x04,
|
|
0x3e, 0xa0, 0x0a, 0x19, 0x17, 0x60, 0x03, 0xb1, 0x21, 0xaa, 0x20, 0xff, 0xcc, 0x22, 0x22, 0xa0,
|
|
0x06, 0x64, 0x60, 0x04, 0x25, 0x80, 0x62, 0x30, 0xa0, 0x00, 0xff, 0x39, 0x60, 0x04, 0x26, 0xa0,
|
|
0x06, 0x74, 0x60, 0x04, 0x15, 0xa0, 0x04, 0x34, 0x34, 0x60, 0x04, 0x19, 0xa0, 0x06, 0x80, 0x60,
|
|
0x04, 0x08, 0xa0, 0x06, 0x7c, 0x60, 0x04, 0x02, 0xa0, 0x80, 0x66, 0x10, 0x1d, 0x80, 0x0f, 0x17,
|
|
0x6c, 0x80, 0x67, 0x11, 0xa0, 0x01, 0x00, 0x60, 0x01, 0x24, 0x80, 0x00, 0xa0, 0x05, 0x6a, 0x15,
|
|
0xa0, 0x06, 0x5e, 0x60, 0x01, 0x94, 0xa0, 0x08, 0x6b, 0x26, 0x80, 0x64, 0x31, 0x26, 0x60, 0x00,
|
|
0x13, 0x80, 0x66, 0x10, 0x20, 0x00, 0x08, 0x60, 0x03, 0x4f, 0x21, 0x94, 0x20, 0xff, 0xea, 0x22,
|
|
0x80, 0x66, 0x10, 0x6c, 0x94, 0x80, 0x08, 0x13, 0xa0, 0x07, 0x6b, 0xa0, 0x07, 0x3b, 0x94, 0x80,
|
|
0x00, 0x09, 0x20, 0x00, 0x04, 0x23, 0x21, 0x34, 0x2c, 0xa0, 0x00, 0x03, 0x38, 0xaa, 0x20, 0xff,
|
|
0xed, 0x22, 0x22, 0x60, 0x02, 0x71, 0x20, 0x00, 0x8f, 0x60, 0x02, 0x81, 0x20, 0x00, 0x6e, 0x40,
|
|
0x00, 0x4e, 0x21, 0x60, 0x01, 0xf3, 0x40, 0x00, 0xc5, 0x21, 0x60, 0x01, 0xec, 0x80, 0x60, 0x30,
|
|
0x38, 0x40, 0x00, 0xba, 0x21, 0x40, 0x01, 0x32, 0x21, 0x60, 0x01, 0x0c, 0x40, 0x01, 0x5a, 0x80,
|
|
0x80, 0x60, 0x00, 0x9b, 0x21, 0x60, 0x02, 0x1b, 0x40, 0x00, 0x94, 0x80, 0x80, 0x60, 0x00, 0x8f,
|
|
0x21, 0x60, 0x01, 0xce, 0x03, 0x40, 0x00, 0x87, 0x80, 0xa0, 0x60, 0x00, 0x82, 0x21, 0x60, 0x01,
|
|
0xc1, 0x40, 0x00, 0x77, 0x21, 0x80, 0x20, 0x40, 0x00, 0x65, 0x21, 0x80, 0x40, 0x40, 0x00, 0x5f,
|
|
0x80, 0x60, 0x40, 0x00, 0x5a, 0x21, 0x40, 0x00, 0x1a, 0x21, 0x40, 0x00, 0x0a, 0x22, 0x40, 0x02,
|
|
0xa1, 0x6c, 0x94, 0x60, 0x00, 0x59, 0x21, 0x94, 0x20, 0xff, 0xf7, 0x22, 0x6c, 0x60, 0x02, 0x1e,
|
|
0x40, 0x00, 0x4c, 0x26, 0x60, 0x02, 0xa7, 0x03, 0x06, 0x80, 0x04, 0x08, 0x80, 0x50, 0x1f, 0x80,
|
|
0x80, 0x1d, 0x60, 0x00, 0x3a, 0x40, 0x00, 0x05, 0x26, 0x60, 0x02, 0x92, 0x03, 0x06, 0x80, 0x02,
|
|
0x09, 0x20, 0x00, 0x08, 0x02, 0x60, 0x02, 0xca, 0x03, 0x40, 0x00, 0x23, 0x80, 0x04, 0x09, 0x20,
|
|
0x00, 0x06, 0x60, 0x02, 0xbd, 0x40, 0x00, 0x13, 0x22, 0xa0, 0x06, 0x9d, 0x40, 0x00, 0x23, 0x60,
|
|
0x00, 0x0d, 0x60, 0x01, 0x4d, 0x80, 0x60, 0x30, 0x21, 0x21, 0x39, 0x04, 0x60, 0x00, 0x00, 0x06,
|
|
0x80, 0x60, 0x30, 0xa1, 0x2f, 0xa0, 0x80, 0x00, 0x38, 0x15, 0x60, 0x00, 0x31, 0x6f, 0x80, 0x60,
|
|
0x31, 0x6c, 0xa0, 0x06, 0x88, 0x60, 0x02, 0xc2, 0x60, 0x02, 0xbf, 0xa0, 0x20, 0x19, 0x17, 0x80,
|
|
0x64, 0x30, 0x60, 0x02, 0xba, 0xa0, 0x06, 0x6f, 0x60, 0x02, 0xaf, 0x80, 0x00, 0x30, 0x60, 0x02,
|
|
0xae, 0xa0, 0x2e, 0x19, 0x17, 0xa0, 0x0a, 0x19, 0x17, 0xa0, 0x01, 0x66, 0x11, 0x6c, 0x20, 0x00,
|
|
0x01, 0x6c, 0x80, 0x67, 0x10, 0x20, 0x00, 0x01, 0x6c, 0x80, 0x60, 0x30, 0x26, 0x07, 0x20, 0x00,
|
|
0x06, 0xa0, 0x06, 0xce, 0x60, 0xff, 0xbb, 0xa0, 0x80, 0x00, 0x2b, 0x20, 0x00, 0x06, 0xa0, 0x06,
|
|
0xa4, 0x60, 0xff, 0xae, 0x80, 0x62, 0x31, 0x6c, 0x26, 0x60, 0x01, 0xf2, 0xa0, 0x00, 0x30, 0x60,
|
|
0x01, 0xec, 0x38, 0xa0, 0x00, 0x30, 0x2b, 0x20, 0x00, 0x06, 0xa0, 0x06, 0xb5, 0x40, 0xff, 0x92,
|
|
0xa0, 0x00, 0x00, 0x60, 0x02, 0x45, 0xa0, 0x00, 0x30, 0x6c, 0x26, 0xc0, 0x00, 0x94, 0x80, 0x2f,
|
|
0x08, 0x20, 0x00, 0x09, 0x94, 0xcf, 0x11, 0x41, 0x21, 0x94, 0x20, 0xff, 0xf0, 0x22, 0x80, 0x00,
|
|
0x4f, 0x11, 0xa0, 0x00, 0x00, 0xa0, 0x00, 0x30, 0x60, 0x02, 0x20, 0xa0, 0x2f, 0x00, 0xa0, 0x00,
|
|
0x30, 0x60, 0x01, 0xa5, 0xa1, 0x80, 0xc9, 0x33, 0x35, 0x80, 0x67, 0x10, 0x20, 0x00, 0x02, 0x22,
|
|
0x6c, 0x60, 0x00, 0xe3, 0x20, 0x00, 0x34, 0x60, 0x00, 0xf3, 0x20, 0x00, 0x2e, 0x26, 0x60, 0x00,
|
|
0x38, 0x21, 0x1d, 0x20, 0x00, 0x2c, 0x80, 0x60, 0x30, 0xa0, 0x00, 0x00, 0xaf, 0x61, 0x61, 0x35,
|
|
0x80, 0x00, 0xef, 0x61, 0x15, 0x26, 0xef, 0x60, 0x01, 0xe1, 0x60, 0x01, 0x71, 0x6f, 0x38, 0x21,
|
|
0x80, 0xe7, 0x33, 0xa0, 0x00, 0x00, 0x21, 0x80, 0xfa, 0x33, 0x6c, 0x22, 0xa0, 0x06, 0xc7, 0x40,
|
|
0xff, 0x10, 0x22, 0xa0, 0x06, 0x93, 0x40, 0xff, 0x09, 0x80, 0x11, 0x33, 0xa0, 0x04, 0x1a, 0x34,
|
|
0xa0, 0x00, 0x00, 0xa8, 0x20, 0x00, 0x16, 0xa0, 0x00, 0x03, 0x38, 0x26, 0xa0, 0x00, 0x00, 0x60,
|
|
0x01, 0x43, 0x20, 0x00, 0x0e, 0x60, 0x01, 0x31, 0x21, 0xaa, 0x20, 0xff, 0xe6, 0x22, 0x22, 0xa0,
|
|
0xff, 0xff, 0x6c, 0xa0, 0x00, 0x03, 0x39, 0x23, 0x6c, 0x60, 0x00, 0x6b, 0x20, 0x01, 0x63, 0x40,
|
|
0x00, 0x11, 0x94, 0x80, 0x7b, 0x09, 0x20, 0x00, 0x04, 0x22, 0x60, 0x00, 0xdc, 0x80, 0x67, 0x10,
|
|
0x20, 0x00, 0x29, 0x94, 0x80, 0x26, 0x09, 0x20, 0x00, 0x04, 0x21, 0x60, 0xff, 0x0a, 0x94, 0x80,
|
|
0x2f, 0x09, 0x20, 0x00, 0x04, 0x21, 0x60, 0xfe, 0xff, 0x60, 0xff, 0x9d, 0xa1, 0xa0, 0x00, 0x00,
|
|
0x28, 0x20, 0x00, 0x09, 0xa1, 0x21, 0x94, 0x01, 0x05, 0x05, 0x15, 0x34, 0x6c, 0xa0, 0x06, 0xab,
|
|
0x40, 0xfe, 0x8f, 0x60, 0xff, 0xbc, 0x80, 0x60, 0x30, 0x21, 0x21, 0x39, 0x26, 0xa0, 0x00, 0x80,
|
|
0x38, 0x02, 0x20, 0x00, 0x02, 0x03, 0x6c, 0x80, 0x67, 0x10, 0x20, 0x00, 0x06, 0xa0, 0x06, 0xbe,
|
|
0x60, 0xfe, 0x6f, 0x22, 0x80, 0xff, 0x6c, 0x26, 0x94, 0x60, 0x00, 0xde, 0x01, 0x20, 0x00, 0x04,
|
|
0x22, 0x80, 0x00, 0x6c, 0x21, 0x94, 0x20, 0xff, 0xef, 0x22, 0x80, 0x01, 0x6c, 0x26, 0x60, 0x00,
|
|
0x0d, 0x20, 0x00, 0x07, 0x26, 0xa0, 0x07, 0x38, 0x40, 0x00, 0xb0, 0x80, 0x01, 0x6c, 0x26, 0x80,
|
|
0x0e, 0x33, 0xa0, 0x20, 0x00, 0x80, 0x00, 0x07, 0x80, 0x03, 0x1a, 0xa0, 0x06, 0xd8, 0x38, 0xa0,
|
|
0x00, 0x00, 0x60, 0x00, 0x96, 0x20, 0x00, 0x0a, 0x01, 0x8a, 0x20, 0xff, 0xe8, 0x22, 0x22, 0x80,
|
|
0x00, 0x6c, 0x03, 0x06, 0x80, 0x00, 0x08, 0x80, 0x70, 0x1f, 0x1d, 0x0f, 0xa0, 0x00, 0x03, 0x38,
|
|
0x94, 0x20, 0x00, 0x03, 0x22, 0x4f, 0x6c, 0x94, 0x80, 0x32, 0x09, 0x20, 0x00, 0x03, 0xc0, 0x20,
|
|
0x5d, 0x94, 0x80, 0x6b, 0x09, 0x20, 0x00, 0x03, 0xc0, 0x80, 0x5d, 0x94, 0x80, 0x72, 0x09, 0x20,
|
|
0x00, 0x03, 0xc0, 0x40, 0x5d, 0x21, 0x40, 0xff, 0xd7, 0x80, 0x00, 0x81, 0x80, 0xfb, 0x13, 0x06,
|
|
0xa0, 0x07, 0x6b, 0xa1, 0x80, 0xfa, 0x33, 0x15, 0x80, 0x21, 0x18, 0x80, 0x18, 0x13, 0xa0, 0x05,
|
|
0x94, 0x6c, 0x80, 0xec, 0x32, 0xa0, 0x00, 0x01, 0x39, 0x94, 0x60, 0xff, 0xeb, 0x60, 0xfe, 0x69,
|
|
0x80, 0xde, 0x33, 0x6c, 0xce, 0xbb, 0x00, 0x00, 0x21, 0x94, 0x20, 0xff, 0xfb, 0x6c, 0x26, 0x60,
|
|
0xff, 0xf7, 0x24, 0x39, 0x6c, 0x2f, 0x94, 0x20, 0x00, 0x05, 0x14, 0x54, 0x4f, 0x08, 0x6c, 0x94,
|
|
0xd4, 0x4f, 0x09, 0x20, 0xff, 0xf4, 0x21, 0x61, 0x40, 0xff, 0xeb, 0x2f, 0xd4, 0x94, 0x4f, 0x09,
|
|
0x20, 0x00, 0x02, 0x61, 0x21, 0x74, 0x34, 0x6f, 0x28, 0x6c, 0x80, 0x30, 0x19, 0x06, 0x80, 0x0a,
|
|
0x0b, 0x20, 0x00, 0x0d, 0x80, 0x27, 0x19, 0x06, 0x80, 0x10, 0x0b, 0x20, 0x00, 0x03, 0x02, 0x80,
|
|
0xff, 0x6c, 0xe0, 0x00, 0x00, 0xc0, 0x40, 0x7f, 0x94, 0x60, 0xff, 0xde, 0xc0, 0x00, 0x0f, 0x78,
|
|
0x21, 0x94, 0x20, 0xff, 0xf0, 0x22, 0x6f, 0x6c, 0x80, 0x00, 0x05, 0x05, 0x94, 0x80, 0x20, 0x0a,
|
|
0x20, 0x00, 0x01, 0x95, 0x21, 0x94, 0x20, 0xff, 0xf3, 0x15, 0x6c, 0x2f, 0x94, 0x80, 0x00, 0xef,
|
|
0x35, 0x61, 0x21, 0x94, 0x20, 0xff, 0xf5, 0x22, 0x62, 0x6c, 0x94, 0x80, 0x19, 0x17, 0x21, 0x94,
|
|
0x20, 0xff, 0xf7, 0x22, 0x6c, 0xa0, 0x27, 0x10, 0xe0, 0x00, 0xfb, 0xbb, 0xa0, 0x00, 0x0a, 0xbb,
|
|
0x3a, 0x39, 0x44, 0x88, 0x07, 0xcf, 0x08, 0x1c, 0x20, 0x00, 0x08, 0x06, 0x80, 0x30, 0x18, 0x80,
|
|
0x19, 0x17, 0x41, 0x22, 0xa0, 0x00, 0x0a, 0x3b, 0x44, 0x41, 0xcf, 0x20, 0xff, 0xdd, 0x62, 0x22,
|
|
0x22, 0x6c, 0x2d, 0x2d, 0x20, 0x55, 0x6e, 0x75, 0x73, 0x65, 0x64, 0x3a, 0x20, 0x00, 0x52, 0x45,
|
|
0x53, 0x45, 0x54, 0x00, 0x41, 0x73, 0x73, 0x65, 0x6d, 0x62, 0x6c, 0x65, 0x64, 0x20, 0x00, 0x20,
|
|
0x69, 0x6e, 0x20, 0x00, 0x20, 0x62, 0x79, 0x74, 0x65, 0x73, 0x28, 0x00, 0x29, 0x2e, 0x0a, 0x00,
|
|
0x20, 0x6c, 0x61, 0x62, 0x65, 0x6c, 0x73, 0x00, 0x21, 0x21, 0x20, 0x45, 0x72, 0x72, 0x6f, 0x72,
|
|
0x3a, 0x20, 0x00, 0x44, 0x75, 0x70, 0x6c, 0x69, 0x63, 0x61, 0x74, 0x65, 0x00, 0x4e, 0x75, 0x6d,
|
|
0x62, 0x65, 0x72, 0x00, 0x4c, 0x65, 0x6e, 0x67, 0x74, 0x68, 0x00, 0x52, 0x65, 0x66, 0x65, 0x72,
|
|
0x65, 0x6e, 0x63, 0x65, 0x00, 0x53, 0x75, 0x62, 0x6c, 0x61, 0x62, 0x65, 0x6c, 0x00, 0x44, 0x69,
|
|
0x73, 0x74, 0x61, 0x6e, 0x63, 0x65, 0x00, 0x53, 0x79, 0x6d, 0x62, 0x6f, 0x6c, 0x00, 0x5a, 0x65,
|
|
0x72, 0x6f, 0x2d, 0x70, 0x61, 0x67, 0x65, 0x00, 0x4c, 0x49, 0x54, 0x49, 0x4e, 0x43, 0x50, 0x4f,
|
|
0x50, 0x4e, 0x49, 0x50, 0x53, 0x57, 0x50, 0x52, 0x4f, 0x54, 0x44, 0x55, 0x50, 0x4f, 0x56, 0x52,
|
|
0x45, 0x51, 0x55, 0x4e, 0x45, 0x51, 0x47, 0x54, 0x48, 0x4c, 0x54, 0x48, 0x4a, 0x4d, 0x50, 0x4a,
|
|
0x43, 0x4e, 0x4a, 0x53, 0x52, 0x53, 0x54, 0x48, 0x4c, 0x44, 0x5a, 0x53, 0x54, 0x5a, 0x4c, 0x44,
|
|
0x52, 0x53, 0x54, 0x52, 0x4c, 0x44, 0x41, 0x53, 0x54, 0x41, 0x44, 0x45, 0x49, 0x44, 0x45, 0x4f,
|
|
0x41, 0x44, 0x44, 0x53, 0x55, 0x42, 0x4d, 0x55, 0x4c, 0x44, 0x49, 0x56, 0x41, 0x4e, 0x44, 0x4f,
|
|
0x52, 0x41, 0x45, 0x4f, 0x52, 0x53, 0x46, 0x54, 0x42, 0x52, 0x4b, 0x7c, 0x02, 0x82, 0x24, 0x02,
|
|
0x89, 0x40, 0x02, 0x94, 0x26, 0x02, 0x98, 0x23, 0x02, 0xd5, 0x7d, 0x02, 0xdd, 0x2c, 0x02, 0x9f,
|
|
0x5f, 0x02, 0xa4, 0x2e, 0x02, 0xab, 0x2d, 0x02, 0xb0, 0x3b, 0x02, 0xb8, 0x3d, 0x02, 0xbd, 0x3f,
|
|
0x02, 0xc4, 0x21, 0x02, 0xca, 0x22, 0x02, 0xd9, 0x7e, 0x02, 0xe1,
|
|
};
|
|
|
|
const mem: [0xFFFF]u8 = undefined;
|
|
const ws: [0xFF]u8 = undefined;
|
|
const rs: [0xFF]u8 = undefined;
|
|
var uxn = Uxn{
|
|
.mem = .{ .m = mem },
|
|
.ws = .{ .s = ws, .sp = 0 },
|
|
.rs = .{ .s = rs, .sp = 0 },
|
|
.pc = 0x100,
|
|
};
|
|
@memcpy(uxn.mem.m[0x100 .. 0x100 + rom.len], &rom);
|
|
|
|
while (true) uxn.loop();
|
|
}
|