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reg_file.ice
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reg_file.ice
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{
"version": "1.1",
"package": {
"name": "",
"version": "",
"description": "",
"author": "",
"image": ""
},
"design": {
"board": "icezum",
"graph": {
"blocks": [
{
"id": "1f74cf56-0106-4ef3-88bd-88ebf424b518",
"type": "basic.output",
"data": {
"name": "LED",
"range": "[7:0]",
"pins": [
{
"index": "7",
"name": "LED7",
"value": "104"
},
{
"index": "6",
"name": "LED6",
"value": "102"
},
{
"index": "5",
"name": "LED5",
"value": "101"
},
{
"index": "4",
"name": "LED4",
"value": "99"
},
{
"index": "3",
"name": "LED3",
"value": "98"
},
{
"index": "2",
"name": "LED2",
"value": "97"
},
{
"index": "1",
"name": "LED1",
"value": "96"
},
{
"index": "0",
"name": "LED0",
"value": "95"
}
],
"virtual": false
},
"position": {
"x": 512,
"y": -240
}
},
{
"id": "10679848-0b57-471a-8975-0df0ca5f18ec",
"type": "basic.input",
"data": {
"name": "clk",
"pins": [
{
"index": "0",
"name": "CLK",
"value": "21"
}
],
"virtual": false,
"clock": false
},
"position": {
"x": -688,
"y": -224
}
},
{
"id": "9d5fba98-6fcf-4280-b374-4ededdb8d8da",
"type": "basic.input",
"data": {
"name": "Pulsador",
"pins": [
{
"index": "0",
"name": "SW1",
"value": "10"
}
],
"virtual": false,
"clock": false
},
"position": {
"x": -1128,
"y": 80
}
},
{
"id": "edcb9e77-3866-4a75-9552-f99675a0e932",
"type": "basic.code",
"data": {
"code": "//----------------------------------------------------------\n//-- Registers File\n//--\n//-- Dual-port memory: (Read-first)\n//-- * Port A \n//-- - 8 bits R/W\n//-- - 16 bits R/W\n//-- * Port B\n//-- - 8 bits R\n//----------------------------------------------------------\n\nreg [7:0] ram_0[0:15]; // Even\nreg [7:0] ram_1[0:15]; // Odd\n// Port used to read Rr\nreg [7:0] ramB_0[0:15]; // Even\nreg [7:0] ramB_1[0:15]; // Odd\n\nwire [3:0] adr16;\nreg [3:0] adr16_r;\nreg adr_lsb_r;\nwire [3:0] adr16B;\nreg [3:0] adr16B_r;\nreg adr_lsbB_r;\nwire we0, we1;\nwire [7:0] r0i;\nwire [7:0] r1i;\n\n// Address for 16x16 registers\nassign adr16 =rd_adr_i[4:1];\nassign adr16B=rr_adr_i[4:1];\n// Decode which RAM/s will have WE asserted\nassign we0=rd16_we_i || (rd_we_i && !rd_adr_i[0]);\nassign we1=rd16_we_i || (rd_we_i && rd_adr_i[0]);\n// Muxes for 16/8 bits writes\nassign r0i=rd16_we_i ? rd16_i[ 7:0] : rd_i;\nassign r1i=rd16_we_i ? rd16_i[15:8] : rd_i;\n\nalways @(posedge clk_i)\nbegin : do_mem\n if (we0)\n begin\n ram_0[adr16] <= r0i;\n // Mirror\n ramB_0[adr16] <= r0i;\n end\n if (we1)\n begin\n ram_1[adr16] <= r1i;\n // Mirror\n ramB_1[adr16] <= r1i;\n end\n adr16_r <= adr16;\n adr_lsb_r <= rd_adr_i[0];\n // Secondary read port\n adr16B_r <= adr16B;\n adr_lsbB_r <= rr_adr_i[0];\nend // do_mem\n\nassign rd16_o={ram_1[adr16_r],ram_0[adr16_r]};\nassign rd_o=adr_lsb_r ? ram_1[adr16_r] : ram_0[adr16_r];\n// Secondary read port\nassign rr_o=adr_lsbB_r ? ramB_1[adr16B_r] : ramB_0[adr16B_r];\n\n//-- Initial register file contents\n//-- Change them for debugging\n initial begin\n \n //-- Even block //-- Odd BLOCK\n \n ram_0[0] = 8'h80; ram_1[0] = 8'h81;\n ram_0[1] = 8'h82; ram_1[1] = 8'h83;\n ram_0[2] = 8'h84; ram_1[2] = 8'h85;\n ram_0[3] = 8'h86; ram_1[3] = 8'h87;\n \n ram_0[4] = 8'h88; ram_1[4] = 8'h89;\n ram_0[5] = 8'h8A; ram_1[5] = 8'h8B;\n ram_0[6] = 8'h8C; ram_1[6] = 8'h8D;\n ram_0[7] = 8'h8E; ram_1[7] = 8'h8F;\n \n ram_0[8] = 8'h90; ram_1[8] = 8'h91;\n ram_0[9] = 8'h92; ram_1[9] = 8'h93;\n ram_0[10] = 8'h94; ram_1[10] = 8'h95;\n ram_0[11] = 8'h96; ram_1[11] = 8'h97;\n \n ram_0[12] = 8'h98; ram_1[12] = 8'h99;\n ram_0[13] = 8'h9A; ram_1[13] = 8'h9B;\n ram_0[14] = 8'h9C; ram_1[14] = 8'h9D;\n ram_0[15] = 8'h9E; ram_1[15] = 8'h9F;\n \n \n //-- Ram para el puerto B. Copia de lo que hay en el A\n ramB_0[0] = 8'h80; ramB_1[0] = 8'h81;\n ramB_0[1] = 8'h82; ramB_1[1] = 8'h83;\n ramB_0[2] = 8'h84; ramB_1[2] = 8'h85;\n ramB_0[3] = 8'h86; ramB_1[3] = 8'h87;\n \n ramB_0[4] = 8'h88; ramB_1[4] = 8'h89;\n ramB_0[5] = 8'h8A; ramB_1[5] = 8'h8B;\n ramB_0[6] = 8'h8C; ramB_1[6] = 8'h8D;\n ramB_0[7] = 8'h8E; ramB_1[7] = 8'h8F;\n \n ramB_0[8] = 8'h90; ramB_1[8] = 8'h91;\n ramB_0[9] = 8'h92; ramB_1[9] = 8'h93;\n ramB_0[10] = 8'h94; ramB_1[10] = 8'h95;\n ramB_0[11] = 8'h96; ramB_1[11] = 8'h97;\n \n ramB_0[12] = 8'h98; ramB_1[12] = 8'h99;\n ramB_0[13] = 8'h9A; ramB_1[13] = 8'h9B;\n ramB_0[14] = 8'h9C; ramB_1[14] = 8'h9D;\n ramB_0[15] = 8'h9E; ramB_1[15] = 8'h9F;\n \n end\n",
"params": [],
"ports": {
"in": [
{
"name": "clk_i"
},
{
"name": "rd_we_i"
},
{
"name": "rd_adr_i",
"range": "[4:0]",
"size": 5
},
{
"name": "rd_i",
"range": "[7:0]",
"size": 8
},
{
"name": "rd16_we_i"
},
{
"name": "rd16_i",
"range": "[15:0]",
"size": 16
},
{
"name": "rr_adr_i",
"range": "[4:0]",
"size": 5
}
],
"out": [
{
"name": "rd_o",
"range": "[7:0]",
"size": 8
},
{
"name": "rd16_o",
"range": "[15:0]",
"size": 16
},
{
"name": "rr_o",
"range": "[7:0]",
"size": 8
}
]
}
},
"position": {
"x": -440,
"y": -256
},
"size": {
"width": 688,
"height": 944
}
},
{
"id": "7cb9079a-c372-438a-87b4-00fb8e526f9f",
"type": "a6eb6cd34f8e0bc2cb97084941e04dbb8957934a",
"position": {
"x": -688,
"y": 48
},
"size": {
"width": 96,
"height": 64
}
},
{
"id": "0a75a42e-e4ce-4468-8caf-468edc2614f7",
"type": "d3ec3e54382a180944492da9d34569a122cba71c",
"position": {
"x": -920,
"y": 64
},
"size": {
"width": 96,
"height": 64
}
},
{
"id": "0a3dfd4a-5247-47aa-9e6b-84dab5c5e017",
"type": "basic.info",
"data": {
"info": "Prueba del banco de registros del AVR\n\nTEST 1: Lectura de los 32 registros del puerto A.\nSe muestran por los leds de la icezum alhambra\nSe usa un contador con enable \n(Para cumplir con las reglas de diseño síncrono)\nMODO Manual. Para incrementar la dirección hay que apretar \nel pulsador SW1\nEl contenido de los registro está pre-cargado, para poder comprobar\nla lectura\n",
"readonly": false
},
"position": {
"x": -1152,
"y": 280
},
"size": {
"width": 560,
"height": 272
}
}
],
"wires": [
{
"source": {
"block": "edcb9e77-3866-4a75-9552-f99675a0e932",
"port": "rd_o"
},
"target": {
"block": "1f74cf56-0106-4ef3-88bd-88ebf424b518",
"port": "in"
},
"size": 8
},
{
"source": {
"block": "10679848-0b57-471a-8975-0df0ca5f18ec",
"port": "out"
},
"target": {
"block": "edcb9e77-3866-4a75-9552-f99675a0e932",
"port": "clk_i"
}
},
{
"source": {
"block": "7cb9079a-c372-438a-87b4-00fb8e526f9f",
"port": "2ce52369-b09a-43f5-8a5a-fbb9ce52918a"
},
"target": {
"block": "edcb9e77-3866-4a75-9552-f99675a0e932",
"port": "rd_adr_i"
},
"size": 5
},
{
"source": {
"block": "0a75a42e-e4ce-4468-8caf-468edc2614f7",
"port": "ca09a156-6c00-44f0-9f05-b6f883094cc8"
},
"target": {
"block": "7cb9079a-c372-438a-87b4-00fb8e526f9f",
"port": "9e6ba7aa-a106-46c1-98e2-b8de7e5dd8ac"
}
},
{
"source": {
"block": "9d5fba98-6fcf-4280-b374-4ededdb8d8da",
"port": "out"
},
"target": {
"block": "0a75a42e-e4ce-4468-8caf-468edc2614f7",
"port": "30bde887-830b-4c29-aa25-b5f457ef70e4"
}
}
]
},
"state": {
"pan": {
"x": 1100.2285,
"y": 262.3312
},
"zoom": 0.9354
}
},
"dependencies": {
"a6eb6cd34f8e0bc2cb97084941e04dbb8957934a": {
"package": {
"name": "Contador-bus-5",
"version": "0.1",
"description": "Contador de 5 bits con salida en bus",
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