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

Subversion Repositories amber

[/] [amber/] [trunk/] [hw/] [tests/] [adc.S] - Diff between revs 2 and 35

Rev 2	Rev 35
Line 37...	Line 37...
`// from http://www.opencores.org/lgpl.shtml //`	`// from http://www.opencores.org/lgpl.shtml //`
`// //`	`// //`
`*****************************************************************/`	`*****************************************************************/`

`#include "amber_registers.h"`	`#include "amber_registers.h"`
	`#include "amber_macros.h"`

`.section .text`	`.section .text`
`.globl main`	`.globl main`
`main:`	`main:`
`ldr r0, Data0`	`ldr r0, Data0`
Line 53...	Line 54...
`adc r8, r8, r3`	`adc r8, r8, r3`

`@ check that overflow flag has been set`	`@ check that overflow flag has been set`
`mov r5, pc`	`mov r5, pc`
`and r5, r5, #0xf0000000 @ clear non-flag bits`	`and r5, r5, #0xf0000000 @ clear non-flag bits`
`cmp r5, #0x90000000 @ negative and overflow flags set`	`expect r5, 0x90000000, __LINE__`
`movne r10, #10`
`bne testfail`

`@ check the result`
`cmp r8, r4`
`movne r10, #20`
`bne testfail`

	`@ fail if r4 not equal to r8`
	`compare r8, r4, __LINE__`

`b testpass`	`b testpass`


`testfail:`	`testfail:`