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Add global var 1-byte-to-follow to enum.

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Evelyn Eastmond 2019-06-14 11:59:17 -04:00
parent f8d9f687ec
commit 14e8a93ac6
1 changed files with 6 additions and 5 deletions
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11
src/extensions/scratch3_ev3/index.js
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@ -71,9 +71,10 @@ const Ev3Opcode = {
* @enum {number}
*/
const Ev3ByteValue = {
NUM8: 0x81, // = 0b10000001 = "1 byte to follow"
NUM16: 0x82, // = 0b10000010 = "2 bytes to follow"
NUM32: 0x83 // = 0b10000011 = "4 bytes to follow"
NUM8: 0x81, // = 0b10000001 = 1 byte to follow
NUM16: 0x82, // = 0b10000010 = 2 bytes to follow
NUM32: 0x83, // = 0b10000011 = 4 bytes to follow
GLOBAL8: 0xE1 // = 0b11100001 = size of global var - 1 byte to follow
};
/**
@ -731,7 +732,7 @@ class EV3 {
cmds[1] = Ev3ByteValue.NUM8; // 1 byte to follow
cmds[2] = 33; // 0x21 ARRAY // TODO: document
cmds[3] = 96; // 0x60 CHANGED // TODO: document
cmds[4] = 225; // 0xE1 size of global var - 1 byte to follow // TODO: document
cmds[4] = Ev3ByteValue.GLOBAL8;
cmds[5] = 32; // 0x20 global var index "0" 0b00100000 // TODO: document
// Command and payload lengths
@ -752,7 +753,7 @@ class EV3 {
cmds[index + 2] = i; // PORT
cmds[index + 3] = Ev3Value.DO_NOT_CHANGE_TYPE;
cmds[index + 4] = Ev3Mode[this._sensorPorts[i]];
cmds[index + 5] = 225; // 0xE1 one byte to follow // TODO: document
cmds[index + 5] = Ev3ByteValue.GLOBAL8;
cmds[index + 6] = sensorCount * 4; // global index // TODO: document
index += 7;
}