| Line 33... |
Line 33... |
//Verilog provides a `default_nettype none compiler directive. When
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//Verilog provides a `default_nettype none compiler directive. When
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//this directive is set, implicit data types are disabled, which will make any
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//this directive is set, implicit data types are disabled, which will make any
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//undeclared signal name a syntax error.This is very usefull to avoid annoying
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//undeclared signal name a syntax error.This is very usefull to avoid annoying
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//automatic 1 bit long wire declaration where you don't want them to be!
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//automatic 1 bit long wire declaration where you don't want them to be!
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`default_nettype none
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`default_nettype none
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//The clock cycle
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`define CLOCK_CYCLE 5
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`define CLOCK_PERIOD 10
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//---------------------------------------------------------------------------------
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//---------------------------------------------------------------------------------
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//Defines the Scale. This very important because it sets the fixed point precsision.
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//Defines the Scale. This very important because it sets the fixed point precsision.
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//The Scale defines the number bits that are used as the decimal part of the number.
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//The Scale defines the number bits that are used as the decimal part of the number.
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//The code has been written in such a way that allows you to change the value of the
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//The code has been written in such a way that allows you to change the value of the
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//Scale, so that it is possible to experimet with different scenarios. SCALE can be
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//Scale, so that it is possible to experimet with different scenarios. SCALE can be
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| Line 68... |
Line 72... |
//that is used for the jump familiy of instructions (see Documentation).
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//that is used for the jump familiy of instructions (see Documentation).
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//Also the MSB of Operand is used by the decoder to distinguish
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//Also the MSB of Operand is used by the decoder to distinguish
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//between Type I and Type II instructions.
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//between Type I and Type II instructions.
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`define INSTRUCTION_WIDTH 64//55
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`define INSTRUCTION_WIDTH 64//55
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`define INSTRUCTION_OP_LENGTH 16//7
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`define INSTRUCTION_OP_LENGTH 16//7
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`define INSTRUCTION_IMM_BITPOS 54
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`define INSTRUCTION_IMM_BIT 6 //don't change this!
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`define INSTRUCTION_IMM_BIT 6 //don't change this!
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//Defines the Lenght of Memory blocks
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//Defines the Lenght of Memory blocks
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`define DATA_ROW_WIDTH 96
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`define DATA_ROW_WIDTH 96
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`define DATA_ADDRESS_WIDTH 16
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`define DATA_ADDRESS_WIDTH 16
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`define ROM_ADDRESS_WIDTH 16
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`define ROM_ADDRESS_WIDTH 16
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`define ROM_ADDRESS_SEL_MASK `ROM_ADDRESS_WIDTH'h8000
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//---------------------------------------------------------------------------------
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//---------------------------------------------------------------------------------
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//Defines the ucode memory entry point for the various ucode routines
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//Defines the ucode memory entry point for the various ucode routines
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`define INITIAL_UCODE_ADDRESS `ROM_ADDRESS_WIDTH'd0
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`define CPPU_UCODE_ADDRESS `ROM_ADDRESS_WIDTH'd14
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`define RGU_UCODE_ADDRESS `ROM_ADDRESS_WIDTH'd17
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`define ENTRYPOINT_ADRR_INITIAL `ROM_ADDRESS_WIDTH'd0 //0 - This should always be zero
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`define AABBIU_UCODE_ADDRESS `ROM_ADDRESS_WIDTH'd33
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`define ENTRYPOINT_ADRR_CPPU `ROM_ADDRESS_WIDTH'd14 //E
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`define BIU_UCODE_ADDRESS `ROM_ADDRESS_WIDTH'd121
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`define ENTRYPOINT_ADRR_RGU `ROM_ADDRESS_WIDTH'd17 //11
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`define PSU_UCODE_ADRESS `ROM_ADDRESS_WIDTH'd196
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`define ENTRYPOINT_ADRR_AABBIU `ROM_ADDRESS_WIDTH'd33 //21
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`define PSU_UCODE_ADRESS2 `ROM_ADDRESS_WIDTH'd212
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`define ENTRYPOINT_ADRR_BIU `ROM_ADDRESS_WIDTH'd121 //79
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`define TCC_UCODE_ADDRESS `ROM_ADDRESS_WIDTH'd154
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`define ENTRYPOINT_ADRR_PSU `ROM_ADDRESS_WIDTH'd196 //C4
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`define DEBUG_LOG_REGISTERS `ROM_ADDRESS_WIDTH'd221
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`define ENTRYPOINT_ADRR_PSU2 `ROM_ADDRESS_WIDTH'd212 //D4
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`define NPG_UCODE_ADDRESS `ROM_ADDRESS_WIDTH'd24
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`define ENTRYPOINT_ADRR_TCC `ROM_ADDRESS_WIDTH'd154 //9A
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`define ENTRYPOINT_ADRR_DEBUG_LOG_REGISTERS `ROM_ADDRESS_WIDTH'd221 //DD
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`define ENTRYPOINT_ADRR_NPG `ROM_ADDRESS_WIDTH'd24 //18
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`define ENTRYPOINT_INDEX_INITIAL `ROM_ADDRESS_WIDTH'h8000
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`define ENTRYPOINT_INDEX_CPPU `ROM_ADDRESS_WIDTH'h8001
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`define ENTRYPOINT_INDEX_RGU `ROM_ADDRESS_WIDTH'h8002
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`define ENTRYPOINT_INDEX_AABBIU `ROM_ADDRESS_WIDTH'h8003
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`define ENTRYPOINT_INDEX_BIU `ROM_ADDRESS_WIDTH'h8004
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`define ENTRYPOINT_INDEX_PSU `ROM_ADDRESS_WIDTH'h8005
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`define ENTRYPOINT_INDEX_PSU2 `ROM_ADDRESS_WIDTH'h8006
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`define ENTRYPOINT_INDEX_TCC `ROM_ADDRESS_WIDTH'h8007
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`define ENTRYPOINT_INDEX_DEBUG_LOG_REGISTERS `ROM_ADDRESS_WIDTH'h8008
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`define ENTRYPOINT_INDEX_NPG `ROM_ADDRESS_WIDTH'h8009
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`define USER_AABBIU_UCODE_ADDRESS `ROM_ADDRESS_WIDTH'b1000000000000000
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`define USER_AABBIU_UCODE_ADDRESS `ROM_ADDRESS_WIDTH'b1000000000000000
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//---------------------------------------------------------------------------------
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//---------------------------------------------------------------------------------
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//This handy little macro allows me to print stuff either to STDOUT or a file.
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//This handy little macro allows me to print stuff either to STDOUT or a file.
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//Notice that the compilation vairable DUMP_CODE must be set if you want to print
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//Notice that the compilation vairable DUMP_CODE must be set if you want to print
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| Line 119... |
Line 139... |
`define CREG_PROJECTION_WINDOW_MAX `DATA_ADDRESS_WIDTH'd3 //0003
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`define CREG_PROJECTION_WINDOW_MAX `DATA_ADDRESS_WIDTH'd3 //0003
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`define CREG_RESOLUTION `DATA_ADDRESS_WIDTH'd4 //0004
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`define CREG_RESOLUTION `DATA_ADDRESS_WIDTH'd4 //0004
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`define CREG_TEXTURE_SIZE `DATA_ADDRESS_WIDTH'd5 //0005
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`define CREG_TEXTURE_SIZE `DATA_ADDRESS_WIDTH'd5 //0005
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`define CREG_PIXEL_2D_POSITION `DATA_ADDRESS_WIDTH'd6 //0008
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`define CREG_PIXEL_2D_POSITION `DATA_ADDRESS_WIDTH'd6 //0008
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`define CREG_FIRST_LIGTH `DATA_ADDRESS_WIDTH'd7 //0007
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`define CREG_FIRST_LIGTH `DATA_ADDRESS_WIDTH'd7 //0007
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`define CREG_FIRST_LIGTH_DIFFUSE `DATA_ADDRESS_WIDTH'd7 //0008
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//OK, so from address 0x06 to 0x0F is where the lights are,watch out values are harcoded
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//OK, so from address 0x06 to 0x0F is where the lights are,watch out values are harcoded
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//for now!! (look in ROM.v for hardcoded values!!!)
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//for now!! (look in ROM.v for hardcoded values!!!)
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| Line 171... |
Line 192... |
`define CREG_V1 `DATA_ADDRESS_WIDTH'd51 //002c
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`define CREG_V1 `DATA_ADDRESS_WIDTH'd51 //002c
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`define CREG_UV1 `DATA_ADDRESS_WIDTH'd52 //002d
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`define CREG_UV1 `DATA_ADDRESS_WIDTH'd52 //002d
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`define CREG_V2 `DATA_ADDRESS_WIDTH'd53 //002e
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`define CREG_V2 `DATA_ADDRESS_WIDTH'd53 //002e
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`define CREG_UV2 `DATA_ADDRESS_WIDTH'd54 //002f
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`define CREG_UV2 `DATA_ADDRESS_WIDTH'd54 //002f
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`define CREG_TRI_DIFFUSE `DATA_ADDRESS_WIDTH'd55 //0030
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`define CREG_TRI_DIFFUSE `DATA_ADDRESS_WIDTH'd55 //0030
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`define COLOR_ACC `DATA_ADDRESS_WIDTH'd56 //0031
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`define CREG_COLOR_ACC `DATA_ADDRESS_WIDTH'd56 //0031
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`define CREG_LAST_t `DATA_ADDRESS_WIDTH'd58 //0033
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`define CREG_LAST_t `DATA_ADDRESS_WIDTH'd58 //0033
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`define CREG_E1_LAST `DATA_ADDRESS_WIDTH'd59 //0034
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`define CREG_E1_LAST `DATA_ADDRESS_WIDTH'd59 //0034
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`define CREG_E2_LAST `DATA_ADDRESS_WIDTH'd60 //0035
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`define CREG_E2_LAST `DATA_ADDRESS_WIDTH'd60 //0035
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`define CREG_TRI_DIFFUSE_LAST `DATA_ADDRESS_WIDTH'd61 //0036
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`define CREG_TRI_DIFFUSE_LAST `DATA_ADDRESS_WIDTH'd61 //0036
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`define CREG_LAST_u `DATA_ADDRESS_WIDTH'd62 //0037
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`define CREG_LAST_u `DATA_ADDRESS_WIDTH'd62 //0037
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| Line 214... |
Line 235... |
//meaning: b4b3 = 01 => X jump type, b4b3 = 10 => Y jump type, finally
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//meaning: b4b3 = 01 => X jump type, b4b3 = 10 => Y jump type, finally
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//b4b3 = 11 means Z jump type.
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//b4b3 = 11 means Z jump type.
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//All this is just to tell you: Don't play with these values!
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//All this is just to tell you: Don't play with these values!
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// *** Type I Instructions (OP DST REG1 REG2) ***
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// *** Type I Instructions (OP DST REG1 REG2) ***
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`define RETURN `INSTRUCTION_OP_LENGTH'b0_000000 //0
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`define NOP `INSTRUCTION_OP_LENGTH'b0_000000 //0
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`define ADD `INSTRUCTION_OP_LENGTH'b0_000001 //1
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`define ADD `INSTRUCTION_OP_LENGTH'b0_000001 //1
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`define SUB `INSTRUCTION_OP_LENGTH'b0_000010 //2
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`define SUB `INSTRUCTION_OP_LENGTH'b0_000010 //2
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`define DIV `INSTRUCTION_OP_LENGTH'b0_000011 //3
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`define DIV `INSTRUCTION_OP_LENGTH'b0_000011 //3
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`define MUL `INSTRUCTION_OP_LENGTH'b0_000100 //4
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`define MUL `INSTRUCTION_OP_LENGTH'b0_000100 //4
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`define MAG `INSTRUCTION_OP_LENGTH'b0_000101 //5
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`define MAG `INSTRUCTION_OP_LENGTH'b0_000101 //5
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`define NOP `INSTRUCTION_OP_LENGTH'b0_000110 //6
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//`define NOP `INSTRUCTION_OP_LENGTH'b0_000110 //6
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`define COPY `INSTRUCTION_OP_LENGTH'b0_000111 //7
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`define COPY `INSTRUCTION_OP_LENGTH'b0_000111 //7
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`define JGX `INSTRUCTION_OP_LENGTH'b0_001_000 //8
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`define JGX `INSTRUCTION_OP_LENGTH'b0_001_000 //8
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`define JLX `INSTRUCTION_OP_LENGTH'b0_001_001 //9
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`define JLX `INSTRUCTION_OP_LENGTH'b0_001_001 //9
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`define JEQX `INSTRUCTION_OP_LENGTH'b0_001_010 //10
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`define JEQX `INSTRUCTION_OP_LENGTH'b0_001_010 //10
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`define JNEX `INSTRUCTION_OP_LENGTH'b0_001_011 //11
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`define JNEX `INSTRUCTION_OP_LENGTH'b0_001_011 //11
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| Line 271... |
Line 292... |
`define INCY `INSTRUCTION_OP_LENGTH'b0_101_100 // R.Y = S1.Y + 1
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`define INCY `INSTRUCTION_OP_LENGTH'b0_101_100 // R.Y = S1.Y + 1
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`define INCZ `INSTRUCTION_OP_LENGTH'b0_101_101 // R.Z = S1.Z + 1
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`define INCZ `INSTRUCTION_OP_LENGTH'b0_101_101 // R.Z = S1.Z + 1
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//*** Type II Instructions (OP DST REG1 IMM) ***
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//*** Type II Instructions (OP DST REG1 IMM) ***
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`define SETX `INSTRUCTION_OP_LENGTH'b1_000000 //64
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`define RETURN `INSTRUCTION_OP_LENGTH'b1_000000 //64 0x40
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`define SETY `INSTRUCTION_OP_LENGTH'b1_000001 //65
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`define SETX `INSTRUCTION_OP_LENGTH'b1_000001 //65 0x41
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`define SETZ `INSTRUCTION_OP_LENGTH'b1_000010 //66
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`define SETY `INSTRUCTION_OP_LENGTH'b1_000010 //66
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`define SWIZZLE3D `INSTRUCTION_OP_LENGTH'b1_000011 //67
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`define SETZ `INSTRUCTION_OP_LENGTH'b1_000011 //67
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`define JMP `INSTRUCTION_OP_LENGTH'b1_011_000 //56
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`define SWIZZLE3D `INSTRUCTION_OP_LENGTH'b1_000100 //68
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`define JMP `INSTRUCTION_OP_LENGTH'b1_011000 //56
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//-------------------------------------------------------------
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//-------------------------------------------------------------
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`define SWIZZLE_XXX 32'd0
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`define SWIZZLE_XXX 32'd0
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`define SWIZZLE_YYY 32'd1
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`define SWIZZLE_YYY 32'd1
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