sdcc-3.9.0 fork implementing GNU assembler syntax

This fork aims to provide better support for stm8-binutils

1 files changed, 59 insertions, 0 deletions

diff --git a/sim/ucsim/stm8.src/test/sl.c b/sim/ucsim/stm8.src/test/sl.c
new file mode 100644
index 0000000..0132275
--- /dev/null
+++ b/sim/ucsim/stm8.src/test/sl.c
@@ -0,0 +1,59 @@
+// Source code under CC0 1.0
+#include <stdint.h>
+#include <stdio.h>
+
+#define PC_DDR	(*(volatile uint8_t *)0x500c)
+#define PC_CR1	(*(volatile uint8_t *)0x500d)
+
+#define CLK_DIVR	(*(volatile uint8_t *)0x50c0)
+#define CLK_PCKENR1	(*(volatile uint8_t *)0x50c3)
+
+#define USART1_SR	(*(volatile uint8_t *)0x5230)
+#define USART1_DR	(*(volatile uint8_t *)0x5231)
+#define USART1_BRR1	(*(volatile uint8_t *)0x5232)
+#define USART1_BRR2	(*(volatile uint8_t *)0x5233)
+#define USART1_CR2	(*(volatile uint8_t *)0x5235)
+#define USART1_CR3	(*(volatile uint8_t *)0x5236)
+
+#define USART_CR2_TEN (1 << 3)
+#define USART_CR3_STOP2 (1 << 5)
+#define USART_CR3_STOP1 (1 << 4)
+#define USART_SR_TXE (1 << 7)
+
+int putchar(int c)
+{
+  while(!(USART1_SR & USART_SR_TXE));
+
+  USART1_DR = c;
+  return c;
+}
+
+char dbuf[10];
+char xbuf[10];
+
+void main(void)
+{
+  unsigned long i = 0;
+  int a= 0;
+	
+  CLK_DIVR = 0x00; // Set the frequency to 16 MHz
+  CLK_PCKENR1 = 0xFF; // Enable peripherals
+
+  PC_DDR = 0x08; // Put TX line on
+  PC_CR1 = 0x08;
+
+  USART1_CR2 = USART_CR2_TEN; // Allow TX and RX
+  USART1_CR3 &= ~(USART_CR3_STOP1 | USART_CR3_STOP2); // 1 stop bit
+  USART1_BRR2 = 0x03; USART1_BRR1 = 0x68; // 9600 baud
+
+  sprintf(dbuf, "%d", 1234);
+  printf("%s\n", dbuf);
+  sprintf(xbuf, "%x", 0x1234);
+  printf("%s\n", xbuf);
+  for(;;)
+    {
+      printf("Hello World %d %x!\n", a, a);
+      for(i = 0; i < 147456; i++); // Sleep
+      a++;
+    }
+}