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

Subversion Repositories test_project

[/] [test_project/] [trunk/] [sw/] [tick/] [tick.S] - Diff between revs 33 and 52

Rev 33	Rev 52
Line 21...	Line 21...
`detect this using assertion routine at the end.`	`detect this using assertion routine at the end.`
`*/`	`*/`

`#define RAM_START 0x00010000`	`#define RAM_START 0x00010000`

`.section .vectors, "ax"`	`.section .vectors, "ax" // section begins at 0x200 so the handler is installed at 0x500 (0x200+0x300)`

`.org 0x300`	`.org 0x300`
`#`	`#`
`# Interrupt handler`	`# Interrupt handler`
`#`	`#`
Line 81...	Line 81...
`l.nop 2 #print r3`	`l.nop 2 #print r3`

`l.addi r3,r0,0xeeee`	`l.addi r3,r0,0xeeee`
`l.nop 2`	`l.nop 2`
`l.addi r3,r0,1`	`l.addi r3,r0,1`
`l.jal _exit`	`l.jal _or32_exit`
`l.nop`	`l.nop`
`1:`	`1:`
`l.j 1b`	`l.j 1b`
`l.nop`	`l.nop`

Line 301...	Line 301...
`#`	`#`
`l.movhi r3,hi(0xdeaddead)`	`l.movhi r3,hi(0xdeaddead)`
`l.ori r3,r3,lo(0xdeaddead)`	`l.ori r3,r3,lo(0xdeaddead)`
`l.nop 2`	`l.nop 2`
`l.addi r3,r0,0`	`l.addi r3,r0,0`
`l.jal _exit`	`l.jal _or32_exit`
`l.nop`	`l.nop`
`_ok:`	`_ok:`
`l.j _ok`	`l.j _ok`
`l.nop`	`l.nop`