URL https://opencores.org/ocsvn/copyblaze/copyblaze/trunk

Subversion Repositories copyblaze

[/] [copyblaze/] [trunk/] [copyblaze/] [sw/] [code/] [pBlaze/] [wb_timer/] [wb_timer.asm] - Diff between revs 30 and 32

Rev 30	Rev 32
Line 5...	Line 5...

`; this programm test the wishbone copyBlaze instruction.`	`; this programm test the wishbone copyBlaze instruction.`
`; it use this module :`	`; it use this module :`
`; wb_timer_08.vhd`	`; wb_timer_08.vhd`

	`WB_TIMER_TRC0 .EQU 0x00`
	`WB_TIMER_COMPARE0 .EQU 0x04`
	`WB_TIMER_COUNTER0 .EQU 0x08`
	`WB_TIMER_TRC1 .EQU 0x0C`
	`WB_TIMER_COMPARE1 .EQU 0x10`
	`WB_TIMER_COUNTER1 .EQU 0x14`

	`wb_data_to_wb .EQU s0`
	`wb_data_from_wb .EQU s1`

`;`	`;`

`; ==========================================================`	`; ==========================================================`
`start:`	`start:`
`; ==========================================================`	`; ==========================================================`
	`EINT ; ENABLE INTERRUPT`
	`; DINT ; DISABLE INTERRUPT`

	`LOAD wb_data_to_wb, 0x80 ;`
	`WBWRSING wb_data_to_wb, WB_TIMER_COMPARE0 ; COMPARE0 = 0x80`

	`LOAD wb_data_to_wb, 0x0e ;`
	`WBWRSING wb_data_to_wb, WB_TIMER_TRC0 ; TRC0 = 0x0e : en0=1, ar0=1, irq0en=1`

`end:`	`end:`
`JUMP end`	`JUMP end`
`;`	`;`

	`; *************************`
	`; Interrupt Service Routine`
	`; *************************`
	`ISR:`
	`WBRDSING wb_data_from_wb, WB_TIMER_TRC0 ; access on TCR0 (reset trig0)`

	`RETI ENABLE ; RETURNI`
	`; RETI DISABLE`
	`; *************************`
	`; End ISR Interrupt Handler`
	`; *************************`

	`.ORG 0x3FF`
	`VECTOR:`
	`JUMP ISR`