void wait_vsync()
{
// Enable the vsync interrupt.
_sd(_ld(GS_REG_CSR) | GS_SET_CSR(0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0), GS_REG_CSR);
// Wait for the vsync interrupt.
while (!(_ld(GS_REG_CSR) & (GS_SET_CSR(0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0)))) { }
// Disable the vsync interrupt.
_sd(_ld(GS_REG_CSR) & ~GS_SET_CSR(0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0), GS_REG_CSR);
}
void graph_wait_vsync(void)
{
// Initiate vsync interrupt.
_sd((_ld(GS_REG_CSR) & 8), GS_REG_CSR);
// Wait for vsync interrupt to be generated.
while (!(_ld(GS_REG_CSR) & 8));
}
void graph_wait_hsync(void)
{
// Initiate hsync interrupt
_sd(_ld(GS_REG_CSR & 4), GS_REG_CSR);
// Wait for hsync interrupt to be generated.
while (!(_ld(GS_REG_CSR) & 4));
}
void def_sys() {
G_sem = _sem_new();
// bootstrap the hard-coded definitions that we need to even be able to make
// definitions
_sd(DEFINITIONS,SYS_CONTEXT,SEM_TYPE_SYMBOL,DEFINITIONS_ID);
_sd(STRUCTURES,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURES_ID);
_sd(STRUCTURE_DEFINITION,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURE_DEFINITION_ID);
_sd(STRUCTURE_LABEL,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURE_LABEL_ID);
_sd(STRUCTURE_SEQUENCE,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURE_SEQUENCE_ID);
_sd(STRUCTURE_SYMBOL,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURE_SYMBOL_ID);
_sd(STRUCTURE_OR,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURE_OR_ID);
_sd(STRUCTURE_ZERO_OR_MORE,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURE_ZERO_OR_MORE_ID);
_sd(STRUCTURE_ONE_OR_MORE,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURE_ONE_OR_MORE_ID);
_sd(STRUCTURE_ZERO_OR_ONE,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURE_ZERO_OR_ONE_ID);
_sd(STRUCTURE_STRUCTURE,SYS_CONTEXT,SEM_TYPE_SYMBOL,STRUCTURE_STRUCTURE_ID);
_sd(SYMBOLS,SYS_CONTEXT,SEM_TYPE_SYMBOL,SYMBOLS_ID);
_sd(PROCESSES,SYS_CONTEXT,SEM_TYPE_SYMBOL,PROCESSES_ID);
_sd(PROTOCOLS,SYS_CONTEXT,SEM_TYPE_SYMBOL,PROTOCOLS_ID);
_sd(RECEPTORS,SYS_CONTEXT,SEM_TYPE_SYMBOL,RECEPTORS_ID);
_sd(SCAPES,SYS_CONTEXT,SEM_TYPE_SYMBOL,SCAPES_ID);
_sd(SYMBOL_DEFINITION,SYS_CONTEXT,SEM_TYPE_SYMBOL,SYMBOL_DEFINITION_ID);
_sd(SYMBOL_STRUCTURE,SYS_CONTEXT,SEM_TYPE_SYMBOL,SYMBOL_STRUCTURE_ID);
_sd(SYMBOL_LABEL,SYS_CONTEXT,SEM_TYPE_SYMBOL,SYMBOL_LABEL_ID);
_sd(RECEPTOR_DEFINITION,SYS_CONTEXT,SEM_TYPE_SYMBOL,RECEPTOR_DEFINITION_ID);
_sd(RECEPTOR_LABEL,SYS_CONTEXT,SEM_TYPE_SYMBOL,RECEPTOR_LABEL_ID);
_sd(ENGLISH_LABEL,SYS_CONTEXT,SEM_TYPE_SYMBOL,ENGLISH_LABEL_ID);
base_contexts(G_sem);
// this has to happen after the _sd declarations so that the basic Symbols will be valid
base_defs(G_sem);
_r_defineClockReceptor(G_sem);
}
void graph_start_vsync(void)
{
_sd(_ld(GS_REG_CSR) & 8, GS_REG_CSR);
}
