gpu.c use opcode in...

JoeMatt · JoeMatt · commit 84f36d8bb4cb · 2021-10-14T19:12:59.000-04:00
Signed-off-by: Joseph Mattello &lt;mail@joemattiello.com&gt;
diff --git a/src/gpu.c b/src/gpu.c
@@ -300,10 +300,11 @@ INLINE uint16_t GPUReadWord(uint32_t offset, uint32_t who/*=UNKNOWN*/)
 {
 	if ((offset >= GPU_WORK_RAM_BASE) && (offset < GPU_WORK_RAM_BASE+0x1000))
 	{
-		uint16_t data;
-		offset &= 0xFFF;
-		data    = ((uint16_t)gpu_ram_8[offset] << 8) | (uint16_t)gpu_ram_8[offset+1];
-		return data;
+        offset &= 0xFFF;
+        OpCode data;
+        data.Bytes.UBYTE = (uint16_t)gpu_ram_8[offset];
+        data.Bytes.LBYTE = (uint16_t)gpu_ram_8[offset+1];
+        return data.WORD;
 	}
 	else if ((offset >= GPU_CONTROL_RAM_BASE) && (offset < GPU_CONTROL_RAM_BASE+0x20))
 	{

Original file line number	Diff line number	Diff line change
`@@ -300,10 +300,11 @@ INLINE uint16_t GPUReadWord(uint32_t offset, uint32_t who/=UNKNOWN/)`
`300`	`300`	`{`
`301`	`301`	`if ((offset >= GPU_WORK_RAM_BASE) && (offset < GPU_WORK_RAM_BASE+0x1000))`
`302`	`302`	`{`
`303`		`- uint16_t data;`
`304`		`- offset &= 0xFFF;`
`305`		`- data = ((uint16_t)gpu_ram_8[offset] << 8) \| (uint16_t)gpu_ram_8[offset+1];`
`306`		`- return data;`
	`303`	`+ offset &= 0xFFF;`
	`304`	`+ OpCode data;`
	`305`	`+ data.Bytes.UBYTE = (uint16_t)gpu_ram_8[offset];`
	`306`	`+ data.Bytes.LBYTE = (uint16_t)gpu_ram_8[offset+1];`
	`307`	`+ return data.WORD;`
`307`	`308`	`}`
`308`	`309`	`else if ((offset >= GPU_CONTROL_RAM_BASE) && (offset < GPU_CONTROL_RAM_BASE+0x20))`
`309`	`310`	`{`