z80dma.cpp: Relaxed fatal error which were used for unknown commands catching. (#14627)

holub · web-flow · commit 1b29f05b60ff · 2025-12-03T13:34:01.000+01:00
diff --git a/src/devices/machine/z80dma.cpp b/src/devices/machine/z80dma.cpp
@@ -850,10 +850,11 @@ void z80dma_device::write(u8 data)
 				logerror("Z80DMA Unknown WR6 command %02x\n", data);
 			}
 		}
-		else if (data == 0x8e) //newtype on Sharp X1, unknown purpose
-			logerror("Z80DMA Unknown base register %02x\n", data);
 		else
-			fatalerror("Z80DMA '%s' Unknown base register %02x\n", tag(), data);
+		{
+			// 0x8e: newtype on Sharp X1, unknown purpose
+			logerror("Z80DMA '%s' Unknown base register %02x\n", tag(), data);
+		}
 		m_cur_follow = 0;
 	}
 	else

Original file line number	Diff line number	Diff line change
`@@ -850,10 +850,11 @@ void z80dma_device::write(u8 data)`
`850`	`850`	`logerror("Z80DMA Unknown WR6 command %02x\n", data);`
`851`	`851`	`}`
`852`	`852`	`}`
`853`		`- else if (data == 0x8e) //newtype on Sharp X1, unknown purpose`
`854`		`- logerror("Z80DMA Unknown base register %02x\n", data);`
`855`	`853`	`else`
`856`		`- fatalerror("Z80DMA '%s' Unknown base register %02x\n", tag(), data);`
	`854`	`+ {`
	`855`	`+ // 0x8e: newtype on Sharp X1, unknown purpose`
	`856`	`+ logerror("Z80DMA '%s' Unknown base register %02x\n", tag(), data);`
	`857`	`+ }`
`857`	`858`	`m_cur_follow = 0;`
`858`	`859`	`}`
`859`	`860`	`else`