Skip to navigation

Elite on the BBC Micro and NES

Workspaces: ZP

[BBC Master version, Loader]

Name: ZP [Show more] Type: Workspace Address: &0070 to &0075 Category: Workspaces Summary: Important variables used by the loader
Context: See this workspace in context in the source code Variations: See code variations for this workspace in the different versions References: This workspace is used as follows: * Elite loader uses ZP * PIX uses ZP * PLL1 (Part 1 of 3) uses ZP * PLL1 (Part 2 of 3) uses ZP * PLL1 (Part 3 of 3) uses ZP * ROOT uses ZP
ORG &0002 IF _COMPACT .MOS SKIP 1 \ Determines whether we are running on a Master Compact \ \ * 0 = This is a Master Compact \ \ * &FF = This is not a Master Compact \ \ [Show more]
\ \ This variable is used by the following: \ \ * Elite loader \ \ This list only includes code that refers to the \ variable by name; there may be other references to \ this memory location that don't use this label, and \ these will not be mentioned above
ENDIF ORG &0070 .ZP SKIP 2 \ Stores addresses used for moving content around \ \ [Show more]
\ \ This variable is used by the following: \ \ * Elite loader \ * PIX \ * PLL1 (Part 1 of 3) \ * PLL1 (Part 2 of 3) \ * PLL1 (Part 3 of 3) \ * ROOT \ \ This list only includes code that refers to the \ variable by name; there may be other references to \ this memory location that don't use this label, and \ these will not be mentioned above
.P SKIP 1 \ Temporary storage, used in a number of places \ \ [Show more]
\ \ This variable is used by the following: \ \ * Elite loader \ * PLL1 (Part 1 of 3) \ * ROOT \ * SQUA2 \ \ This list only includes code that refers to the \ variable by name; there may be other references to \ this memory location that don't use this label, and \ these will not be mentioned above
.Q SKIP 1 \ Temporary storage, used in a number of places \ \ [Show more]
\ \ This variable is used by the following: \ \ * ROOT \ * SQUA2 \ \ This list only includes code that refers to the \ variable by name; there may be other references to \ this memory location that don't use this label, and \ these will not be mentioned above
.YY SKIP 1 \ Temporary storage, used in a number of places \ \ [Show more]
\ \ This variable is used by the following: \ \ * PLL1 (Part 1 of 3) \ * PLL1 (Part 2 of 3) \ * PLL1 (Part 3 of 3) \ \ This list only includes code that refers to the \ variable by name; there may be other references to \ this memory location that don't use this label, and \ these will not be mentioned above
.T SKIP 1 \ Temporary storage, used in a number of places \ \ [Show more]
\ \ This variable is used by the following: \ \ * PLL1 (Part 3 of 3) \ \ This list only includes code that refers to the \ variable by name; there may be other references to \ this memory location that don't use this label, and \ these will not be mentioned above
ORG &00F4 .LATCH SKIP 2 \ The RAM copy of the currently selected paged ROM/RAM \ in SHEILA &30 \ \ [Show more]
\ \ This variable is used by the following: \ \ * Elite loader \ \ This list only includes code that refers to the \ variable by name; there may be other references to \ this memory location that don't use this label, and \ these will not be mentioned above