sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 46 insertions, 0 deletions

diff --git a/sim/ucsim/stm8.src/test/ss.c b/sim/ucsim/stm8.src/test/ss.c
new file mode 100644
index 0000000..253b55b
--- /dev/null
+++ b/sim/ucsim/stm8.src/test/ss.c
@@ -0,0 +1,46 @@
+// Source code under CC0 1.0
+#include <stdint.h>
+#include <stdio.h>
+
+#define CLK_DIVR	(*(volatile uint8_t *)0x50c6)
+#define CLK_PCKENR1	(*(volatile uint8_t *)0x50c7)
+
+#define UART2_SR	(*(volatile uint8_t *)0x5240)
+#define UART2_DR	(*(volatile uint8_t *)0x5241)
+#define UART2_BRR1	(*(volatile uint8_t *)0x5242)
+#define UART2_BRR2	(*(volatile uint8_t *)0x5243)
+#define UART2_CR2	(*(volatile uint8_t *)0x5245)
+#define UART2_CR3	(*(volatile uint8_t *)0x5246)
+
+#define UART_CR2_TEN (1 << 3)
+#define UART_CR3_STOP2 (1 << 5)
+#define UART_CR3_STOP1 (1 << 4)
+#define UART_SR_TXE (1 << 7)
+
+int putchar(int c)
+{
+  while(!(UART2_SR & UART_SR_TXE));
+  
+  UART2_DR = c;
+  return c;
+}
+
+void main(void)
+{
+  unsigned long i = 0;
+  int a= 0;
+  
+  CLK_DIVR = 0x00; // Set the frequency to 16 MHz
+  CLK_PCKENR1 = 0xFF; // Enable peripherals
+
+  UART2_CR2 = UART_CR2_TEN; // Allow TX and RX
+  UART2_CR3 &= ~(UART_CR3_STOP1 | UART_CR3_STOP2); // 1 stop bit
+  UART2_BRR2 = 0x03; UART2_BRR1 = 0x68; // 9600 baud
+
+  for(;;)
+    {
+      printf("Hello World %d %x!\n", a, a);
+      for(i = 0; i < 147456; i++); // Sleep
+      a++;
+    }
+}