| 1 | //! Keil's register window. The program counter is the screen's hero. |
| 2 | |
| 3 | use bench51_core::session::Session; |
| 4 | use bench51_core::sfr::{ACC, B, DPH, DPL, PSW, SP}; |
| 5 | use bench51_core::sim::disasm; |
| 6 | use eframe::egui::{self, RichText, Ui}; |
| 7 | |
| 8 | use super::{sfr_changed, sfr_chip}; |
| 9 | use crate::theme::{HERO, WARNING, palette}; |
| 10 | use crate::widgets; |
| 11 | |
| 12 | pub fn show(ui: &mut Ui, s: &mut Session) { |
| 13 | let p = palette(ui.ctx()); |
| 14 | egui::ScrollArea::vertical() |
| 15 | .auto_shrink([false; 2]) |
| 16 | .show(ui, |ui| { |
| 17 | ui.label(p.label("Program counter")); |
| 18 | ui.label(p.hero(format!("{:04X}", s.sim.pc), HERO)); |
| 19 | let here = disasm::disassemble(&s.sim.code, s.sim.pc); |
| 20 | let state = if s.sim.power_down { |
| 21 | "power-down" |
| 22 | } else if s.sim.idle { |
| 23 | "idle" |
| 24 | } else { |
| 25 | "" |
| 26 | }; |
| 27 | ui.horizontal(|ui| { |
| 28 | ui.label(p.data(here.text).color(p.text_secondary)); |
| 29 | if !state.is_empty() { |
| 30 | ui.label(p.label(state).color(WARNING)); |
| 31 | } |
| 32 | }); |
| 33 | |
| 34 | widgets::section(ui, "Registers"); |
| 35 | let value = |v: String, changed: bool| { |
| 36 | p.data(v) |
| 37 | .color(if changed { WARNING } else { p.text_primary }) |
| 38 | }; |
| 39 | let iram_changed = |a: u8| s.sim.iram[a as usize] != s.prev_iram[a as usize]; |
| 40 | egui::Grid::new("regs") |
| 41 | .num_columns(4) |
| 42 | .spacing([16.0, 6.0]) |
| 43 | .show(ui, |ui| { |
| 44 | let pairs: [(&str, String, bool); 4] = [ |
| 45 | ("A", format!("{:02X}", s.sim.acc()), sfr_changed(s, ACC)), |
| 46 | ("B", format!("{:02X}", s.sim.b()), sfr_changed(s, B)), |
| 47 | ("SP", format!("{:02X}", s.sim.sp()), sfr_changed(s, SP)), |
| 48 | ( |
| 49 | "DPTR", |
| 50 | format!("{:04X}", s.sim.dptr()), |
| 51 | sfr_changed(s, DPL) || sfr_changed(s, DPH), |
| 52 | ), |
| 53 | ]; |
| 54 | for row in pairs.chunks(2) { |
| 55 | for (name, v, ch) in row { |
| 56 | ui.label(p.label(*name)); |
| 57 | ui.label(value(v.clone(), *ch)); |
| 58 | } |
| 59 | ui.end_row(); |
| 60 | } |
| 61 | for r in 0..4u8 { |
| 62 | for n in [r, r + 4] { |
| 63 | let a = s.sim.reg_addr(n); |
| 64 | ui.label(p.label(format!("R{n}"))); |
| 65 | ui.label(value( |
| 66 | format!("{:02X}", s.sim.iram[a as usize]), |
| 67 | iram_changed(a), |
| 68 | )); |
| 69 | } |
| 70 | ui.end_row(); |
| 71 | } |
| 72 | }); |
| 73 | |
| 74 | widgets::section(ui, "PSW"); |
| 75 | ui.horizontal_wrapped(|ui| { |
| 76 | ui.spacing_mut().item_spacing.x = 4.0; |
| 77 | ui.label(value(format!("{:02X}", s.sim.psw()), sfr_changed(s, PSW))); |
| 78 | ui.add_space(6.0); |
| 79 | for (name, mask) in [ |
| 80 | ("CY", 0x80), |
| 81 | ("AC", 0x40), |
| 82 | ("F0", 0x20), |
| 83 | ("RS1", 0x10), |
| 84 | ("RS0", 0x08), |
| 85 | ("OV", 0x04), |
| 86 | ("P", 0x01), |
| 87 | ] { |
| 88 | sfr_chip(ui, s, name, PSW, mask); |
| 89 | } |
| 90 | }); |
| 91 | ui.add_space(4.0); |
| 92 | widgets::stat_row(ui, "Bank", p.data(s.sim.bank().to_string())); |
| 93 | |
| 94 | widgets::section(ui, "Time"); |
| 95 | widgets::stat_row(ui, "Cycles", p.data(s.sim.cycles.to_string())); |
| 96 | widgets::stat_row(ui, "Elapsed", p.data(s.elapsed())); |
| 97 | widgets::stat_row( |
| 98 | ui, |
| 99 | "Clock", |
| 100 | RichText::new(format!("{} MHz", s.clock_mhz)) |
| 101 | .font(crate::theme::mono(crate::theme::LABEL + 1.0)) |
| 102 | .color(p.text_secondary), |
| 103 | ); |
| 104 | }); |
| 105 | } |