kapcioszek/sillymachine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implemented Moving numbers from memory to registers instructions

Browse Source
This commit is contained in:
Bartłomiej Szostak 2024-05-03 14:52:22 +02:00
parent 10bd1f4e9c
commit 9807fee8a0
No known key found for this signature in database
GPG Key ID: 562DACF230A18086
3 changed files with 18 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/shardware.adb
View File

@ -142,6 +142,15 @@ package body Shardware is
return Result;
end BytesToF;
function ReadMem (Memory : ByteArr; Address : Unsigned_32; Length : Unsigned_32) return ByteArr is
Result : ByteArr (1 .. Length);
begin
for i in 1 .. Length loop
Result (i) := Memory (Address - 1 + i);
end loop;
return Result;
end ReadMem;
procedure Trap (Registers : RegArrU; Memory : in out ByteArr; MemorySize : in out Unsigned_32) is
begin
case Registers(0) is
@ -155,6 +164,7 @@ package body Shardware is
for i in 1 .. Length loop
Memory (Pointer + Unsigned_32(i)) := Character'Pos(CharBuff (i));
end loop;
Memory (Pointer + Unsigned_32(Length) + 1) := 10;
end;
when 1 =>
declare

2
src/shardware.ads
View File

@ -26,6 +26,8 @@ package Shardware is
function BytesToI (TheBytes : ByteArr) return Integer;
function BytesToF (TheBytes : ByteArr) return Float;
function ReadMem (Memory : ByteArr; Address : Unsigned_32; Length : Unsigned_32) return ByteArr;
procedure Trap (Registers : RegArrU; Memory : in out ByteArr; MemorySize : in out Unsigned_32);
procedure MovU (Register : in out Unsigned_32; Value : Unsigned_32);

9
src/sillymachine.adb
View File

@ -118,17 +118,20 @@ begin
BytesToU(TempBytes(Instruction)));
when 3 => MovU(RegisterU(Integer(Instruction (2))), -- Move Register to Register (Unsigned_32)
RegisterU(Integer(Instruction (3))));
when 4 => null; -- TODO: Move Memory to Register (Unsigned_32)
when 4 => MovU(RegisterU(Integer(Instruction (2))), -- Move Memory to Register (Unsigned_32)
BytesToU(ReadMem(MemoryArr, BytesToU(TempBytes(Instruction)), 4)));
when 5 => MovI(RegisterI(Integer(Instruction (2))), -- Move Int to Register
BytesToI(TempBytes(Instruction)));
when 6 => MovI(RegisterI(Integer(Instruction (2))), -- Move Register to Register (Int)
RegisterI(Integer(Instruction (3))));
when 7 => null; -- TODO: Move Memory to Register
when 7 => MovI(RegisterI(Integer(Instruction (2))), -- Move Memory to Register (Integer)
BytesToI(ReadMem(MemoryArr, BytesToU(TempBytes(Instruction)), 4)));
when 8 => MovF(RegisterF(Integer(Instruction (2))), -- Move Float to Register
BytesToF(TempBytes(Instruction)));
when 9 => MovF(RegisterF(Integer(Instruction (2))), -- Move Register to Register (Float)
RegisterF(Integer(Instruction (3))));
when 10 => null; -- TODO: Move Memory to Register (Float)
when 10 => MovF(RegisterF(Integer(Instruction (2))), -- Move Memory to Register (Float)
BytesToF(ReadMem(MemoryArr, BytesToU(TempBytes(Instruction)), 4)));
when 11 => AddU(RegisterU(Integer(Instruction (2))), -- Add Register to Unsigned_32
BytesToU(TempBytes(Instruction)));
when 12 => AddU(RegisterU(Integer(Instruction (2))), -- Add Register to Register (Unsigned_32)