CodePhacts
Zelch 128

Zelch 128

Commodore 128 BBS Program

Manager Name: Bo Zimmerman

Repository Type: svn

Last Commit: 22854

Last Updated: 2025-12-02 14:13:46

📊 View Metrics

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

Language Breakdown

Language Total Lines Code Lines Comment Lines Blank Lines Percentage
basic 12,002 11,400 587 72 46.4%
assembly 8,595 8,273 1,968 87 33.3%
text 5,252 0 0 1,127 20.3%
Total 25,849 19,673 2,555 1,286 100.0%

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 19,673 lines of code (19.7 K)

COCOMO (1981)

Effort: 84.4 person-months
Schedule: 11.8 months
Team Size: 7.1 people
Cost Estimate: $1,012,599
Mode: Semi-detached
Barry Boehm's foundational model using empirical coefficients based on project type.

COCOMO II (2000)

Effort: 69.2 person-months
Schedule: 13.6 months
Team Size: 5.1 people
Cost Estimate: $829,911
Exponent (B): 1.060
Updated model with scale factors for modern development practices and reuse.

Function Point Analysis

Function Points: 328 FP
Effort: 15.4 person-months
Schedule: 7.1 months
Team Size: 2.2 people
Cost Estimate: $184,434
Primary Language: basic
Measures functionality independent of technology using standardized function points (~60 LOC/FP for basic).

SLIM Model

Effort: 84.4 person-months
Schedule: 0.9 months
Team Size: 91.5 people
Cost Estimate: $1,012,599
Productivity Index: 5,000
Uses Rayleigh curves and Putnam's software equation emphasizing optimal staffing over time.

Putnam Model

Effort: 1,446.2 person-months
Schedule: 7.1 months
Min Schedule: 5.9 months
Team Size: 203.3 people
Cost Estimate: $17,354,869
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 84.4 11.8 7.1 $1,012,599
COCOMO II 69.2 13.6 5.1 $829,911
Function Points 15.4 7.1 2.2 $184,434
SLIM 84.4 0.9 91.5 $1,012,599
Putnam 1,446.2 7.1 203.3 $17,354,869
AVERAGE 339.9 8.1 41.9 $4,078,882

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
22854 bo 2024-03-15 11:49 25,849
22788 bo 2024-02-21 16:22 25,849
22097 bo 2023-02-22 14:07 25,697
22095 bo 2023-02-22 01:57 25,698
22094 bo 2023-02-22 01:43 25,698
22093 bo 2023-02-22 01:36 25,697
22092 bo 2023-02-22 01:27 25,697
22080 bo 2023-02-19 14:33 25,236
22078 bo 2023-02-18 00:32 25,234
22077 bo 2023-02-18 00:22 25,234
22076 bo 2023-02-17 21:53 25,234
22075 bo 2023-02-17 19:19 25,234
22068 bo 2023-02-15 14:40 25,229
22066 bo 2023-02-15 02:38 25,230
22065 bo 2023-02-15 02:03 25,200
21875 bo 2022-11-06 01:20 25,200
21278 bo 2022-03-02 23:15 25,200
21210 bo 2022-01-18 17:23 25,200
21080 bo 2021-09-21 12:22 25,200
21079 bo 2021-09-21 12:15 25,200
Page 1 of 5 (97 total commits)
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