pretty print reg dumps

1 files changed, 9 insertions, 4 deletions

diff --git a/dos/utest.c b/dos/utest.c
index cba251a..b4ce7f3 100644
--- a/dos/utest.c
+++ b/dos/utest.c
@@ -122,13 +122,18 @@ void chip_reg(const char *arg_reg, const char *arg_value)
 	if (reg >= 0) {
 		if (value >= 0) {
 			ch375_write_reg(&ch375_dev, reg, value);
-			printf("Reg[%x]=%x\n", reg, ch375_read_reg(&ch375_dev, reg));
+			printf("Reg[%2x] = %2x\n", reg, ch375_read_reg(&ch375_dev, reg));
 		} else {
-			printf("Reg[%x]=%x\n", reg, ch375_read_reg(&ch375_dev, reg));
+			printf("Reg[%2x] = %2x\n", reg, ch375_read_reg(&ch375_dev, reg));
 		}
 	} else {
-		for (reg = 0; reg < 0xFF; reg++) {
-			printf("Reg[%x]=%x\n", reg, ch375_read_reg(&ch375_dev, reg));
+		for (reg = 0; reg < 0xFF; ) {
+			int max = reg + 16;
+			printf("Regs[%2x..%2x] =", reg, max-1);
+			for (; reg < max; reg++) {
+				printf(" %2x", ch375_read_reg(&ch375_dev, reg));
+			}
+			printf("\n");
 		}
 	}
 }