SwiftDriver

C64 KERNAL wedge for SwiftLink/Link232 expansions

Manager Name: Bo Zimmerman

Repository Type: svn

Last Commit: 25560

Last Updated: 2026-09-10 16:40:20

📊 View Metrics

Metric: All lines in the file including code, text, comments, and blank lines

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Language Breakdown

Language	Total Lines	Code Lines	Comment Lines	Blank Lines	Percentage
assembly	817	714	240	4	100.0%
Total	817	714	240	4	100.0%

Code Composition Analysis

Total Lines Over Time - Changes Per Interval

Total Lines Over Time - Growth

Commit Activity Over Time

📊 Project Cost Estimation Models

Based on 714 lines of code (0.7 K)

COCOMO (1981)

Effort: 2.1 person-months

Schedule: 3.2 months

Team Size: 0.6 people

Cost Estimate: $24,686

Mode: Semi-detached

Barry Boehm's foundational model using empirical coefficients based on project type.

COCOMO II (2000)

Effort: 2.1 person-months

Schedule: 4.6 months

Team Size: 0.4 people

Cost Estimate: $24,686

Exponent (B): 1.060

Updated model with scale factors for modern development practices and reuse.

Function Point Analysis

Function Points: 12 FP

Effort: 0.6 person-months

Schedule: 2.0 months

Team Size: 0.3 people

Cost Estimate: $6,694

Primary Language: assembly

Measures functionality independent of technology using standardized function points (~60 LOC/FP for assembly).

SLIM Model

Effort: 2.1 person-months

Schedule: 0.2 months

Team Size: 10.6 people

Cost Estimate: $24,686

Productivity Index: 5,000

Uses Rayleigh curves and Putnam's software equation emphasizing optimal staffing over time.

Putnam Model

Effort: 13.9 person-months

Schedule: 1.9 months

Min Schedule: 1.6 months

Team Size: 7.4 people

Cost Estimate: $167,178

Technology Factor: 8,000

Lawrence Putnam's lifecycle model based on productivity and minimum development time constraints.

Model Comparison Summary

Model	Effort (PM)	Schedule (Months)	Team Size	Cost (@ $75/hr)
COCOMO	2.1	3.2	0.6	$24,686
COCOMO II	2.1	4.6	0.4	$24,686
Function Points	0.6	2.0	0.3	$6,694
SLIM	2.1	0.2	10.6	$24,686
Putnam	13.9	1.9	7.4	$167,178
AVERAGE	4.1	2.4	1.7	$49,586

Note: These are theoretical estimates based on historical models. Actual project costs vary significantly based on team experience, requirements clarity, technology choices, and project management practices. Use these as rough guidelines for planning and budgeting, not as precise predictions.

Recent Commits

Commit	User	Date	Total Lines
25560	bo	2026-08-30 15:34	817
21944	bo	2022-12-18 20:34	299
14556	bo	2016-08-14 23:41	245
14555	bo	2016-08-14 23:21	245