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

Subversion Repositories zipcpu

[/] [zipcpu/] [trunk/] [bench/] [asm/] [zipdhry.S] - Diff between revs 202 and 209

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`; Project: Zip CPU -- a small, lightweight, RISC CPU soft core`	`; Project: Zip CPU -- a small, lightweight, RISC CPU soft core`
`;`	`;`
`; Purpose: Zip assembly file for running the Dhrystone benchmark in the`	`; Purpose: Zip assembly file for running the Dhrystone benchmark in the`
`; Zip CPU.`	`; Zip CPU.`
`;`	`;`
	`; ****************************`
	`;`
	`; This file is long since out of date. It is kept around for historical`
	`; reasons only. In many ways, this file never truly accomplished the`
	`; Dhrystone test, since it is an assembly file (not compiled), and since`
	`; it uses internally and locally optimized library versions.`
	`;`
	`; Another version of Dhrystone exists for the ZipCPU, in C, which properly`
	`; executes the benchmark.`
	`;`
	`; ****************************`
	`;`
	`;`
`; To calculate a DMIPS value, take the value of R0 upon completion. This`	`; To calculate a DMIPS value, take the value of R0 upon completion. This`
`; is the number of clock ticks used from start to finish (i.e., from`	`; is the number of clock ticks used from start to finish (i.e., from`
`; entrance into user mode to the return to supervisor mode). Let`	`; entrance into user mode to the return to supervisor mode). Let`
`; CLKSPD be your clock speed in Hz. Then:`	`; CLKSPD be your clock speed in Hz. Then:`
`;`	`;`