From 8aee801028620cfbc3d21c5e1751cbdcbd4d2098 Mon Sep 17 00:00:00 2001
From: Adrian Del Grosso <10929341+ad3154@users.noreply.github.com>
Date: Wed, 24 Apr 2024 18:19:07 -0600
Subject: [PATCH] Fixed parsing of monochrome picture graphic IOP data

Fixed an issue where bits in a monochrome bitmap were interpreted in reverse,
causing monochrome picture graphics would appear corrupted.
---
 .../isobus_virtual_terminal_server_managed_working_set.cpp    | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/isobus/src/isobus_virtual_terminal_server_managed_working_set.cpp b/isobus/src/isobus_virtual_terminal_server_managed_working_set.cpp
index c3170641..d16c0b32 100644
--- a/isobus/src/isobus_virtual_terminal_server_managed_working_set.cpp
+++ b/isobus/src/isobus_virtual_terminal_server_managed_working_set.cpp
@@ -2317,7 +2317,7 @@ namespace isobus
 												{
 													for (std::uint_fast8_t k = 0; k < 8U; k++)
 													{
-														tempObject->add_raw_data((iopData[1] >> k) & 0x01);
+														tempObject->add_raw_data(static_cast<std::uint8_t>(0 != ((iopData[1]) & (1 << (7 - k)))));
 														lineAmountLeft--;
 
 														if (0 == lineAmountLeft)
@@ -2393,7 +2393,7 @@ namespace isobus
 											{
 												for (std::uint_fast8_t j = 0; j < 8U; j++)
 												{
-													tempObject->add_raw_data((iopData[0] >> j) & 0x01);
+													tempObject->add_raw_data(static_cast<std::uint8_t>(0 != ((iopData[0]) & (1 << (7 - j)))));
 													lineAmountLeft--;
 
 													if (0 == lineAmountLeft)