diff options
Diffstat (limited to 'src/isa.ads')
| -rw-r--r-- | src/isa.ads | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/isa.ads b/src/isa.ads index ffc0593..e5310d3 100644 --- a/src/isa.ads +++ b/src/isa.ads @@ -45,6 +45,8 @@ package ISA is Clear_Screen : constant Opcode_Value := 16#E0#; Ret : constant Opcode_Value := 16#EE#; + Low_Res : constant Opcode_Value := 16#FE#; + High_Res : constant Opcode_Value := 16#FF#; type Math_Class is ( Assign, Bit_Or, Bit_And, Bit_Xor, Add, Sub_Y, Shift_Right, Sub_X, @@ -71,8 +73,8 @@ package ISA is ); type Misc_Class is ( - Get_Delay, Get_Key, Set_Delay, Set_Sound, Add_Address, Get_Font, Get_BCD, - Reg_Store, Reg_Load + Get_Delay, Get_Key, Set_Delay, Set_Sound, Add_Address, Get_Font, + Get_Font_10, Get_BCD, Reg_Store, Reg_Load, Reg_Store_X, Reg_Load_X ); for Misc_Class use ( @@ -82,9 +84,12 @@ package ISA is Set_Sound => Opcode_Value (16#18#), Add_Address => Opcode_Value (16#1E#), Get_Font => Opcode_Value (16#29#), + Get_Font_10 => Opcode_Value (16#30#), Get_BCD => Opcode_Value (16#33#), Reg_Store => Opcode_Value (16#55#), - Reg_Load => Opcode_Value (16#65#) + Reg_Load => Opcode_Value (16#65#), + Reg_Store_X => Opcode_Value (16#75#), + Reg_Load_X => Opcode_Value (16#85#) ); Start_Address : constant Address := 16#200#; |