Impl more thumb, Fix more things, the usual

Former-commit-id: 02f1898bfd8dd50519f103bb367e358fc55c46e7
This commit is contained in:
Michel Heily 2019-07-06 23:38:08 +03:00
parent 6dd48c6238
commit c2685c14d7
8 changed files with 232 additions and 36 deletions

View file

@ -98,7 +98,7 @@ impl Core {
val.wrapping_shl(amount) val.wrapping_shl(amount)
} }
ArmShiftType::LSR => { ArmShiftType::LSR => {
if amount < 32 { if 0 < amount && amount < 32 {
self.cpsr.set_C(val.wrapping_shr(amount - 1) & 1 == 1); self.cpsr.set_C(val.wrapping_shr(amount - 1) & 1 == 1);
} else { } else {
self.cpsr.set_C(false); self.cpsr.set_C(false);
@ -106,7 +106,7 @@ impl Core {
(val as u32).wrapping_shr(amount) as i32 (val as u32).wrapping_shr(amount) as i32
} }
ArmShiftType::ASR => { ArmShiftType::ASR => {
if amount < 32 { if 0 < amount && amount < 32 {
self.cpsr.set_C(val.wrapping_shr(amount - 1) & 1 == 1); self.cpsr.set_C(val.wrapping_shr(amount - 1) & 1 == 1);
} else { } else {
self.cpsr.set_C(val >> 31 == 1); self.cpsr.set_C(val >> 31 == 1);
@ -374,7 +374,12 @@ impl Core {
addr = addr.wrapping_add(step); addr = addr.wrapping_add(step);
} }
self.store_32(addr as Addr, self.get_reg(r), bus); let val = if r == REG_PC {
insn.pc + 12
} else {
self.get_reg(r)
};
self.store_32(addr as Addr, val, bus);
if !full { if !full {
addr = addr.wrapping_add(step); addr = addr.wrapping_add(step);

View file

@ -452,7 +452,6 @@ mod tests {
let bytes = vec![]; let bytes = vec![];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice()); let mut mem = BoxedMemory::new(bytes.into_boxed_slice());
// swi #0x1337 // swi #0x1337
let decoded = ArmInstruction::decode(0xef001337, 0).unwrap(); let decoded = ArmInstruction::decode(0xef001337, 0).unwrap();
assert_eq!(decoded.fmt, ArmFormat::SWI); assert_eq!(decoded.fmt, ArmFormat::SWI);
@ -464,7 +463,7 @@ mod tests {
Ok(CpuPipelineAction::Flush) Ok(CpuPipelineAction::Flush)
); );
assert_eq!(core.cpsr.mode() , CpuMode::Supervisor); assert_eq!(core.cpsr.mode(), CpuMode::Supervisor);
assert_eq!(core.pc, Exception::SoftwareInterrupt as u32); assert_eq!(core.pc, Exception::SoftwareInterrupt as u32);
} }
@ -547,10 +546,12 @@ mod tests {
core.gpr[2] = 0; core.gpr[2] = 0;
let bytes = vec![ let bytes = vec![
/* 00h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 10h: */ 0x00, 0x00, 0x00, 0x00, 0x37, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 10h: */ 0x00, 0x00, 0x00, 0x00, 0x37, 0x13, 0x00, 0x00,
/* 20h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 20h: */ 0x00, 0x00, 0x00, 0x00,
/* 30h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 30h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
]; ];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice()); let mut mem = BoxedMemory::new(bytes.into_boxed_slice());
@ -590,10 +591,12 @@ mod tests {
core.gpr[2] = 0xabababab; core.gpr[2] = 0xabababab;
let bytes = vec![ let bytes = vec![
/* 00h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 00h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 10h: */ 0x00, 0x00, 0x00, 0x00, 0x37, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 10h: */ 0x00, 0x00, 0x00, 0x00, 0x37, 0x13, 0x00, 0x00,
/* 20h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 20h: */ 0x00, 0x00, 0x00, 0x00,
/* 30h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
/* 30h: */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
]; ];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice()); let mut mem = BoxedMemory::new(bytes.into_boxed_slice());

View file

@ -193,7 +193,7 @@ impl Core {
} }
pub fn cycle_type(&self, addr: Addr) -> MemoryAccessType { pub fn cycle_type(&self, addr: Addr) -> MemoryAccessType {
if addr == self.memreq || addr == self.memreq + (self.word_size() as Addr) { if addr == self.memreq || addr == self.memreq.wrapping_add(self.word_size() as Addr) {
Seq Seq
} else { } else {
NonSeq NonSeq

View file

@ -97,6 +97,28 @@ impl ThumbInstruction {
) )
} }
fn fmt_thumb_ldr_str_shb(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(
f,
"{op}\t{Rd}, [{Rb}, {Ro}]",
op = {
match (
self.flag(ThumbInstruction::FLAG_SIGN_EXTEND),
self.flag(ThumbInstruction::FLAG_HALFWORD),
) {
(false, false) => "strh",
(false, true) => "ldrh",
(true, false) => "ldsb",
(true, true) => "ldsh",
_ => panic!("invalid flags"),
}
},
Rd = reg_string(self.rd()),
Rb = reg_string(self.rb()),
Ro = reg_string(self.ro()),
)
}
fn fmt_thumb_ldr_str_imm_offset(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt_thumb_ldr_str_imm_offset(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!( write!(
f, f,
@ -141,6 +163,20 @@ impl ThumbInstruction {
) )
} }
fn fmt_thumb_ldr_address(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(
f,
"add\t{Rd}, {r}, #{Imm:#x}",
Rd = reg_string(self.rd()),
r = if self.flag(ThumbInstruction::FLAG_SP) {
"sp"
} else {
"pc"
},
Imm = self.word8(),
)
}
fn fmt_thumb_add_sub(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt_thumb_add_sub(&self, f: &mut fmt::Formatter) -> fmt::Result {
let operand = if self.is_immediate_operand() { let operand = if self.is_immediate_operand() {
format!("#{:x}", self.raw.bit_range(6..9)) format!("#{:x}", self.raw.bit_range(6..9))
@ -150,7 +186,7 @@ impl ThumbInstruction {
write!( write!(
f, f,
"{op}\t{Rd}, [{Rs}, {operand}]", "{op}\t{Rd}, {Rs}, {operand}",
op = if self.is_subtract() { "sub" } else { "add" }, op = if self.is_subtract() { "sub" } else { "add" },
Rd = reg_string(self.rd()), Rd = reg_string(self.rd()),
Rs = reg_string(self.rs()), Rs = reg_string(self.rs()),
@ -185,6 +221,26 @@ impl ThumbInstruction {
write!(f, "}}") write!(f, "}}")
} }
fn fmt_thumb_ldm_stm(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(
f,
"{op}\t{Rb}!, {{",
op = if self.is_load() { "ldm" } else { "stm" },
Rb = reg_string(self.rb()),
)?;
let mut register_list = self.register_list().into_iter();
let mut has_reg = false;
if let Some(reg) = register_list.next() {
write!(f, "{}", reg_string(reg))?;
has_reg = true;
}
for reg in register_list {
has_reg = true;
write!(f, ", {}", reg_string(reg))?;
}
write!(f, "}}")
}
fn fmt_thumb_branch_with_cond(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt_thumb_branch_with_cond(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!( write!(
f, f,
@ -231,11 +287,14 @@ impl fmt::Display for ThumbInstruction {
ThumbFormat::HiRegOpOrBranchExchange => self.fmt_thumb_high_reg_op_or_bx(f), ThumbFormat::HiRegOpOrBranchExchange => self.fmt_thumb_high_reg_op_or_bx(f),
ThumbFormat::LdrPc => self.fmt_thumb_ldr_pc(f), ThumbFormat::LdrPc => self.fmt_thumb_ldr_pc(f),
ThumbFormat::LdrStrRegOffset => self.fmt_thumb_ldr_str_reg_offset(f), ThumbFormat::LdrStrRegOffset => self.fmt_thumb_ldr_str_reg_offset(f),
ThumbFormat::LdrStrSHB => self.fmt_thumb_ldr_str_shb(f),
ThumbFormat::LdrStrImmOffset => self.fmt_thumb_ldr_str_imm_offset(f), ThumbFormat::LdrStrImmOffset => self.fmt_thumb_ldr_str_imm_offset(f),
ThumbFormat::LdrStrHalfWord => self.fmt_thumb_ldr_str_halfword(f), ThumbFormat::LdrStrHalfWord => self.fmt_thumb_ldr_str_halfword(f),
ThumbFormat::LdrStrSp => self.fmt_thumb_ldr_str_sp(f), ThumbFormat::LdrStrSp => self.fmt_thumb_ldr_str_sp(f),
ThumbFormat::LdrAddress => self.fmt_thumb_ldr_address(f),
ThumbFormat::AddSp => self.fmt_thumb_add_sp(f), ThumbFormat::AddSp => self.fmt_thumb_add_sp(f),
ThumbFormat::PushPop => self.fmt_thumb_push_pop(f), ThumbFormat::PushPop => self.fmt_thumb_push_pop(f),
ThumbFormat::LdmStm => self.fmt_thumb_ldm_stm(f),
ThumbFormat::BranchConditional => self.fmt_thumb_branch_with_cond(f), ThumbFormat::BranchConditional => self.fmt_thumb_branch_with_cond(f),
ThumbFormat::Branch => self.fmt_thumb_branch(f), ThumbFormat::Branch => self.fmt_thumb_branch(f),
ThumbFormat::BranchLongWithLink => self.fmt_thumb_branch_long_with_link(f), ThumbFormat::BranchLongWithLink => self.fmt_thumb_branch_long_with_link(f),

View file

@ -193,6 +193,43 @@ impl Core {
self.do_exec_thumb_ldr_str(bus, insn, addr) self.do_exec_thumb_ldr_str(bus, insn, addr)
} }
fn exec_thumb_ldr_str_shb(&mut self, bus: &mut Bus, insn: ThumbInstruction) -> CpuExecResult {
let addr = self
.get_reg(insn.rb())
.wrapping_add(self.get_reg(insn.ro()));
let rd = insn.rd();
match (
insn.flag(ThumbInstruction::FLAG_SIGN_EXTEND),
insn.flag(ThumbInstruction::FLAG_HALFWORD),
) {
(false, false) =>
/* strh */
{
self.store_16(addr, self.gpr[rd] as u16, bus)
}
(false, true) =>
/* ldrh */
{
self.gpr[rd] = self.load_16(addr, bus) as u32
}
(true, false) =>
/* ldsb */
{
let val = self.load_8(addr, bus) as i8 as i32 as u32;
self.gpr[rd] = val;
}
(true, true) =>
/* ldsh */
{
let val = self.load_16(addr, bus) as i16 as i32 as u32;
self.gpr[rd] = val;
}
_ => panic!("invalid flags"),
}
Ok(CpuPipelineAction::IncPC)
}
fn exec_thumb_ldr_str_imm_offset( fn exec_thumb_ldr_str_imm_offset(
&mut self, &mut self,
bus: &mut Bus, bus: &mut Bus,
@ -225,7 +262,25 @@ impl Core {
} }
fn exec_thumb_ldr_str_sp(&mut self, bus: &mut Bus, insn: ThumbInstruction) -> CpuExecResult { fn exec_thumb_ldr_str_sp(&mut self, bus: &mut Bus, insn: ThumbInstruction) -> CpuExecResult {
let addr = (self.gpr[REG_SP] & !0b10) + 4 + (insn.word8() as Addr); let addr = self.gpr[REG_SP] + (insn.word8() as Addr);
self.do_exec_thumb_ldr_str_with_addr(bus, insn, addr)
}
fn exec_thumb_ldr_address(&mut self, bus: &mut Bus, insn: ThumbInstruction) -> CpuExecResult {
let addr = if insn.flag(ThumbInstruction::FLAG_SP) {
self.gpr[REG_SP] + (insn.word8() as Addr)
} else {
(insn.pc & !0b10) + 4 + (insn.word8() as Addr)
};
self.do_exec_thumb_ldr_str_with_addr(bus, insn, addr)
}
fn do_exec_thumb_ldr_str_with_addr(
&mut self,
bus: &mut Bus,
insn: ThumbInstruction,
addr: Addr,
) -> CpuExecResult {
if insn.is_load() { if insn.is_load() {
let data = self.load_32(addr, bus); let data = self.load_32(addr, bus);
self.add_cycle(); self.add_cycle();
@ -263,6 +318,7 @@ impl Core {
} }
if pc_lr_flag { if pc_lr_flag {
pop(self, bus, REG_PC); pop(self, bus, REG_PC);
self.pc = self.pc & !1;
pipeline_action = CpuPipelineAction::Flush; pipeline_action = CpuPipelineAction::Flush;
} }
self.add_cycle(); self.add_cycle();
@ -278,6 +334,32 @@ impl Core {
Ok(pipeline_action) Ok(pipeline_action)
} }
fn exec_thumb_ldm_stm(&mut self, bus: &mut Bus, insn: ThumbInstruction) -> CpuExecResult {
// (From GBATEK) Execution Time: nS+1N+1I (POP), (n+1)S+2N+1I (POP PC), or (n-1)S+2N (PUSH).
let is_load = insn.is_load();
let rb = insn.rb();
let mut pipeline_action = CpuPipelineAction::IncPC;
let mut addr = self.gpr[rb];
let rlist = insn.register_list();
if is_load {
for r in rlist {
let val = self.load_32(addr, bus);
addr += 4;
self.add_cycle();
self.set_reg(r, val);
}
} else {
for r in rlist.into_iter().rev() {
self.store_32(addr, self.gpr[r], bus);
addr += 4;
}
}
Ok(pipeline_action)
}
fn exec_thumb_branch_with_cond( fn exec_thumb_branch_with_cond(
&mut self, &mut self,
_bus: &mut Bus, _bus: &mut Bus,
@ -329,11 +411,14 @@ impl Core {
ThumbFormat::HiRegOpOrBranchExchange => self.exec_thumb_hi_reg_op_or_bx(bus, insn), ThumbFormat::HiRegOpOrBranchExchange => self.exec_thumb_hi_reg_op_or_bx(bus, insn),
ThumbFormat::LdrPc => self.exec_thumb_ldr_pc(bus, insn), ThumbFormat::LdrPc => self.exec_thumb_ldr_pc(bus, insn),
ThumbFormat::LdrStrRegOffset => self.exec_thumb_ldr_str_reg_offset(bus, insn), ThumbFormat::LdrStrRegOffset => self.exec_thumb_ldr_str_reg_offset(bus, insn),
ThumbFormat::LdrStrSHB => self.exec_thumb_ldr_str_shb(bus, insn),
ThumbFormat::LdrStrImmOffset => self.exec_thumb_ldr_str_imm_offset(bus, insn), ThumbFormat::LdrStrImmOffset => self.exec_thumb_ldr_str_imm_offset(bus, insn),
ThumbFormat::LdrStrHalfWord => self.exec_thumb_ldr_str_halfword(bus, insn), ThumbFormat::LdrStrHalfWord => self.exec_thumb_ldr_str_halfword(bus, insn),
ThumbFormat::LdrStrSp => self.exec_thumb_ldr_str_sp(bus, insn), ThumbFormat::LdrStrSp => self.exec_thumb_ldr_str_sp(bus, insn),
ThumbFormat::LdrAddress => self.exec_thumb_ldr_address(bus, insn),
ThumbFormat::AddSp => self.exec_thumb_add_sp(bus, insn), ThumbFormat::AddSp => self.exec_thumb_add_sp(bus, insn),
ThumbFormat::PushPop => self.exec_thumb_push_pop(bus, insn), ThumbFormat::PushPop => self.exec_thumb_push_pop(bus, insn),
ThumbFormat::LdmStm => self.exec_thumb_ldm_stm(bus, insn),
ThumbFormat::BranchConditional => self.exec_thumb_branch_with_cond(bus, insn), ThumbFormat::BranchConditional => self.exec_thumb_branch_with_cond(bus, insn),
ThumbFormat::Branch => self.exec_thumb_branch(bus, insn), ThumbFormat::Branch => self.exec_thumb_branch(bus, insn),
ThumbFormat::BranchLongWithLink => self.exec_thumb_branch_long_with_link(bus, insn), ThumbFormat::BranchLongWithLink => self.exec_thumb_branch_long_with_link(bus, insn),

View file

@ -199,6 +199,9 @@ impl ThumbInstruction {
const FLAG_R: usize = 8; const FLAG_R: usize = 8;
const FLAG_S: usize = 7; const FLAG_S: usize = 7;
const FLAG_LOW_OFFSET: usize = 11; const FLAG_LOW_OFFSET: usize = 11;
const FLAG_SP: usize = 11;
const FLAG_SIGN_EXTEND: usize = 10;
const FLAG_HALFWORD: usize = 11;
pub fn rd(&self) -> usize { pub fn rd(&self) -> usize {
match self.fmt { match self.fmt {
@ -265,7 +268,7 @@ impl ThumbInstruction {
match self.fmt { match self.fmt {
ThumbFormat::LdrStrRegOffset => self.raw.bit(10), ThumbFormat::LdrStrRegOffset => self.raw.bit(10),
ThumbFormat::LdrStrImmOffset => self.raw.bit(12), ThumbFormat::LdrStrImmOffset => self.raw.bit(12),
_ => unreachable!() _ => unreachable!(),
} }
} }
@ -314,6 +317,11 @@ impl ThumbInstruction {
/// All instructions constants were generated using an ARM assembler. /// All instructions constants were generated using an ARM assembler.
mod tests { mod tests {
use super::*; use super::*;
use crate::arm7tdmi::{
cpu::{Core, CpuPipelineAction},
Bus,
};
use crate::sysbus::BoxedMemory;
#[test] #[test]
fn mov_low_reg() { fn mov_low_reg() {
@ -336,11 +344,14 @@ mod tests {
assert_eq!(core.get_reg(0), 0x27); assert_eq!(core.get_reg(0), 0x27);
} }
// #[test]
// fn decode_add_sub() {
// let insn = ThumbInstruction::decode(0xac19, 0).unwrap();
// assert!(format!("add\tr4, r4"))
// }
#[test] #[test]
fn ldr_pc() { fn ldr_pc() {
use crate::arm7tdmi::cpu::{Core, CpuPipelineAction};
use crate::sysbus::BoxedMemory;
// ldr r0, [pc, #4] // ldr r0, [pc, #4]
let insn = ThumbInstruction::decode(0x4801, 0x6).unwrap(); let insn = ThumbInstruction::decode(0x4801, 0x6).unwrap();
@ -363,12 +374,6 @@ mod tests {
#[test] #[test]
fn ldr_str_reg_offset() { fn ldr_str_reg_offset() {
use crate::arm7tdmi::{
cpu::{Core, CpuPipelineAction},
Bus,
};
use crate::sysbus::BoxedMemory;
// str r0, [r4, r1] // str r0, [r4, r1]
let str_insn = ThumbInstruction::decode(0x5060, 0x6).unwrap(); let str_insn = ThumbInstruction::decode(0x5060, 0x6).unwrap();
// ldrb r2, [r4, r1] // ldrb r2, [r4, r1]
@ -400,4 +405,44 @@ mod tests {
); );
assert_eq!(core.get_reg(2), 0x78); assert_eq!(core.get_reg(2), 0x78);
} }
#[allow(overflowing_literals)]
#[test]
fn format8() {
let mut core = Core::new();
let bytes = vec![
/* 0: */ 0xaa, 0xbb, 0xcc, 0xdd, 0xaa, 0xbb, 0xcc, 0xdd,
/* 8: */ 0xaa, 0xbb, 0xcc, 0xdd, 0xaa, 0xbb, 0xcc, 0xdd,
/* 10: */ 0xaa, 0xbb, 0xcc, 0xdd, 0xaa, 0xbb, 0xcc, 0xdd,
];
let mut mem = BoxedMemory::new(bytes.into_boxed_slice());
core.gpr[4] = 0x12345678;
core.gpr[3] = 0x2;
core.gpr[0] = 0x4;
// strh r4, [r3, r0]
let decoded = ThumbInstruction::decode(0x521c, 0).unwrap();
assert_eq!(format!("{}", decoded), "strh\tr4, [r3, r0]");
core.exec_thumb(&mut mem, decoded).unwrap();
assert_eq!(&mem.get_bytes(0x6)[..4], [0x78, 0x56, 0xaa, 0xbb]);
// ldsb r2, [r7, r1]
core.gpr[2] = 0;
core.gpr[7] = 0x10;
core.gpr[1] = 0x5;
let decoded = ThumbInstruction::decode(0x567a, 0).unwrap();
assert_eq!(format!("{}", decoded), "ldsb\tr2, [r7, r1]");
core.exec_thumb(&mut mem, decoded).unwrap();
assert_eq!(core.gpr[2], mem.read_8(0x15) as i8 as u32);
// ldsh r3, [r4, r2]
core.gpr[3] = 0x0;
core.gpr[4] = 0x0;
core.gpr[2] = 0x6;
let decoded = ThumbInstruction::decode(0x5ea3, 0).unwrap();
assert_eq!(format!("{}", decoded), "ldsh\tr3, [r4, r2]");
core.exec_thumb(&mut mem, decoded).unwrap();
assert_eq!(core.gpr[3], 0x5678);
}
} }

View file

@ -3,8 +3,8 @@ use crate::arm7tdmi::{Addr, CpuState};
use crate::disass::Disassembler; use crate::disass::Disassembler;
use crate::GBAError; use crate::GBAError;
use super::{parser::Value, Debugger, DebuggerError, DebuggerResult};
use super::palette_view::create_palette_view; use super::palette_view::create_palette_view;
use super::{parser::Value, Debugger, DebuggerError, DebuggerResult};
use ansi_term::Colour; use ansi_term::Colour;
@ -80,19 +80,19 @@ impl Command {
break; break;
} }
match debugger.gba.step() { match debugger.gba.step() {
Ok(insn) => { // Ok(insn) => {
println!( // println!(
"@0x{:08x}:\t{}", // "@0x{:08x}:\t{}",
insn.get_pc(), // insn.get_pc(),
Colour::Yellow.italic().paint(format!("{} ", insn)) // Colour::Yellow.italic().paint(format!("{} ", insn))
); // );
} // }
Err(GBAError::CpuError(e)) => { Err(GBAError::CpuError(e)) => {
println!("{}: {}", "cpu encountered an error".red(), e); println!("{}: {}", "cpu encountered an error".red(), e);
println!("cpu: {:x?}", debugger.gba.cpu); println!("cpu: {:x?}", debugger.gba.cpu);
break; break;
} }
_ => unreachable!(), _ => (),
}; };
}, },
HexDump(addr, nbytes) => { HexDump(addr, nbytes) => {

View file

@ -43,7 +43,6 @@ impl ColoredRect {
} }
pub fn create_palette_view(palette_ram: &[u8]) { pub fn create_palette_view(palette_ram: &[u8]) {
let palette = Palette::from(palette_ram); let palette = Palette::from(palette_ram);
let sdl_context = sdl2::init().unwrap(); let sdl_context = sdl2::init().unwrap();