Make some target/main.c functions static

This helps reduce target size since it enables single-use inlining.

diff --git a/target/main.c b/target/main.c
index 4acbaf8f3c1f128be1d3b7c36aa8241e9ad8ef1e..cd2b66814ee27f53bafc05f81d22c1ec1889c4a0 100644 (file)
--- a/target/main.c
+++ b/target/main.c
@@ -78,12 +78,12 @@ struct unpacker songup;
 u8 readsongbyte(u16 offset);
 void watchdogoff();
 
-void initup(struct unpacker *up, u16 offset) {
+static void initup(struct unpacker *up, u16 offset) {
        up->nextbyte = offset;
        up->bits = 0;
 }
 
-u8 readbit(struct unpacker *up) {
+static u8 readbit(struct unpacker *up) {
        u8 val;
 
        if(!up->bits) {
@@ -111,12 +111,12 @@ u16 readchunk(struct unpacker *up, u8 n) {
        return val;
 }
 
-void readinstr(u8 num, u8 pos, u8 *dest) {
+static void readinstr(u8 num, u8 pos, u8 *dest) {
        dest[0] = readsongbyte(resources[num] + 2 * pos + 0);
        dest[1] = readsongbyte(resources[num] + 2 * pos + 1);
 }
 
-void runcmd(u8 ch, u8 cmd, u8 param) {
+static void runcmd(u8 ch, u8 cmd, u8 param) {
        switch(cmd) {
                case CMD_ISTOP:
                        channel[ch].inum = 0;
@@ -164,7 +164,7 @@ void runcmd(u8 ch, u8 cmd, u8 param) {
        }
 }
 
-void playroutine() {                   // called at 50 Hz
+static void playroutine() {
        u8 ch;
 
        if(playsong) {