intrinsic_statements
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| Both sides previous revision Previous revision | Last revision Both sides next revision | ||
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intrinsic_statements [2020/02/15 23:14] adminz |
intrinsic_statements [2020/03/03 21:32] jtwine |
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| Line 26: | Line 26: | ||
| <code c> | <code c> | ||
| - | __Fill From Reg1 To Reg2 With 0xAA | + | __Fill From Reg1 To Reg2 With 0xAA; |
| </code> | </code> | ||
| Line 36: | Line 36: | ||
| <code c> | <code c> | ||
| - | __FillRamp From Reg1 To Reg2 With 0x42 | + | __FillRamp From Reg1 To Reg2 With 0x42; |
| </code> | </code> | ||
| ==== Implementation ==== | ==== Implementation ==== | ||
| - | The intrinsic statements are implemented via a custom program (Program #99, ''%%__%%IP%%__%%P99'') that is created and added to the compiled file near the end of the compilation phase. Its implementation is as follows: | + | The intrinsic statements are implemented via a custom program (Program #99, ''%%__%%IP%%__%%P99'') that is added internally and compiled near the end of the compilation phase. Its implementation is as follows: |
| <code c> | <code c> | ||
| Program __IP__P99; | Program __IP__P99; | ||
| - | Alias Command=RegF; // First Parameter - Intrinsic Command | + | Alias Command=Reg8; // First Parameter - Intrinsic Command |
| - | Alias FromOrDelay=RegE; // Second Parameter - Start Of Fill Range or Delay Counter/Value | + | Alias FromOrDelay=Reg9; // Second Parameter - Start Of Fill Range or Delay Counter/Value |
| - | Alias To=RegD; // Third Parameter - End Of Fill Range | + | Alias To=RegA; // Third Parameter - End Of Fill Range |
| - | Alias FillChar=RegC; // Fourth Parameter - Character to use for Fill/FillRamp | + | Alias FillChar=RegB; // Fourth Parameter - Character to use for Fill/FillRamp |
| - | If Command == 1 Goto Delay; // RegF == 1 - Delay | + | If Command == 1 Goto Delay; // Reg8 == 1 - Delay |
| - | If Command >= 2 Goto Fill; // RegF == 2 - Fill, RegF == 3 - FillRamp | + | If Command >= 2 Goto Fill; // Reg8 == 2 - Fill, Reg8 == 3 - FillRamp |
| Goto End; | Goto End; | ||
| Line 77: | Line 77: | ||
| Goto FillReturn; // Go Back To Fill Routine | Goto FillReturn; // Go Back To Fill Routine | ||
| - | :End // End Of Program 99 | + | :End |
| + | EndProgram; // End Of Program 99 | ||
| </code> | </code> | ||
| - | When a intrinsic statement is encountered, the statement is replaced with code to populate the necessary registers with the necessary parameters and a call to Program 99 is made. | + | When a intrinsic statement is encountered, the statement is replaced with code to populate the necessary registers with the necessary parameters and a call to Program 99 is made. For example, the following call to the ''%%__%%Delay'' intrinsic: |
| + | |||
| + | <code c> | ||
| + | __Delay 50; | ||
| + | </code> | ||
| + | |||
| + | -Is replaced with the equivalent of the following code: | ||
| + | |||
| + | <code c> | ||
| + | RegF = 1; | ||
| + | RegE = 50; | ||
| + | Execute 99; | ||
| + | </code> | ||
intrinsic_statements.txt · Last modified: 2020/03/03 21:35 by jtwine
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